Abstract:
An eyewear system enables a person to switch lenses among a variety of frames or switch a variety of lenses within a single frame. The lenses can be easily attached to and detached from a frame assembly that may or may not otherwise contain lenses. The lenses may be frameless or positioned in one or more subframe assemblies.

Description:
RELATED APPLICATIONS  
       [0001]     This application claims the priority benefit under 35 U.S.C. § 119(e) of U.S. Provisional Patent Application No. 60/508,674, filed on Oct. 2, 2003, and U.S. patent application Ser. No. 10/957,213 filed Oct. 1, 2004 which are hereby incorporated by reference in their entirety. 
     
    
     BACKGROUND OF THE INVENTION  
       [0002]     1. Field of the Invention  
         [0003]     The present invention generally relates to eyewear frames and lenses. More particularly, the present invention relates to an eyewear assembly in which a single lens or single set of lenses can be inserted and removed from behind a single frame or a plurality of frames, which single frame or plurality of frames may or may not already contain a lens or lenses. In addition, the present invention relates to an eyewear assembly in which a lens, a set of lenses or multiple sets of lenses can be inserted and removed from behind a single frame or a plurality of frames, which single frame or plurality of frames may or may not already contain a lens or set of lenses.  
         [0004]     2. Description of the Related Art  
         [0005]     The cost of quality prescription lenses has risen dramatically in the past ten years. Many people who wear eyeglasses today desire so-called progressive lenses in which the power of the lens varies along the surface of the lens. Unfortunately, progressive lenses are more expensive than ordinary prescription lenses or bifocal lenses. Additionally, a type of thin lens that is designed to replace a relatively thicker lens also is available but has an elevated cost. Further, coatings and the like can be added to a lens to, for example, reduce glare or allow the lens to change tint. These coatings also increase the cost of the lens.  
         [0006]     At the same time, people who wear eyeglasses often purchase more than one pair of eyeglasses for different functional and aesthetic reasons. For instance, different eyeglasses may be purchased to increase strength or comfort, to alter the fit or the weight, to vary the flexibility or the rigidity or to provide a different aesthetic look by changing the shape of the frame or the coloring of the frame. This, of course, requires the purchase of a complete set of eyewear, including the frame and the expensive prescription lenses.  
         [0007]     On the other hand, some people purchase more than one pair of eyewear having a single style of frame but use one of the frames for tinted lenses and the other for non-tinted lenses. Of course, these people must then carry both pair of eyewear and must absorb the additional costs associated with the second frame. In recent years, one attempt to solve this problem has been the creation of prescription eyewear assemblies that include a secondary set of non-prescription lenses that attach to the front side of the primary eyeglass frame. Although this does alleviate the necessity of carrying two complete pairs of eyeglasses, there are many undesirable features associated with this solution. Firstly, the wearer is forced to wear two pairs of lenses simultaneously, instead of having the ability to substitute one type of lens for another. Secondly, in the case where it may be desirable to combine two different types of lenses and wear them simultaneously, the frontal attachment of the second set of lenses is very obvious and unsightly. Accordingly, it would be desirable to hide the second set of lenses from view when wearing two sets of lenses is desired. Another undesirable defect of attaching the second set of lenses to the front side of the eyeglass frame is that wind and other physical forces or objects often come into contact with these secondary lenses and cause them to accidentally detach from the frame, often resulting in damage to these lenses, and hence, their costly replacement. Another issue that has arisen with respect to eyewear is that the frames, as they have become more stylish, have become very expensive. As a result, it would be desirable to have less expensive alternatives available.  
       SUMMARY OF THE INVENTION  
       [0008]     It would be desirable to create a system of eyewear that enables a person to use a single lens or single pair of lenses with multiple frame structures or a single frame structure with multiple lenses or multiple pairs of lenses. The multiple lenses or multiple pairs of lenses can include individual lenses that can be combined to form a pair in the frame structure.  
         [0009]     In the first arrangement, the frame structures can vary among one another by virtue of functionality, features or aesthetic appearance. As such, variations among the frames can be provided by design, materials used, coloring, shape, decorations, construction or the like. Such a system would allow a person who wears eyewear to have several sets of frames without the need for more than one set of lenses.  
         [0010]     In the second arrangement, the lenses can vary among one another by virtue of tinting or magnification features, for instance. Different eyeglass lenses may also be purchased for various vision correcting purposes, for purposes such as glare reduction, magnification, protection from UV rays, lighter weights, as for aesthetic reasons such as thinness of the lenses, tints and coloring of the lenses. Thus, a person can maintain a single frame in which the lenses are removed and replaced quickly and easily to accommodate changes in the lenses. For instance, sun lenses can be installed in place of clear lenses or a magnifying lens can be used in place of a wearer&#39;s usual lens. In some instances, two sets of lenses can be combined in one eyeglass assembly so that the frame has a first lens or set of lenses that remain in place while a second lens or set of lenses may be inserted and removed from the eyeglass assembly at will, such as attaching a second set of prescription lenses behind a first pair of sunglass lenses, or visa versa. Further, in this arrangement, the second set of lenses are not visible to observers, unlike other secondary lenses that attach on the front side of the frame, thus giving a more aesthetically pleasing appearance and concealing the fact that two pairs of lenses are being used. In addition, the method of attachment used in the present invention prevents accidental detachment of the secondary lenses by wind and other physical forces or objects that may come in contact with the front of the eyeglass assembly.  
         [0011]     Accordingly, one aspect of certain embodiments of the present invention involves providing a user with one pair of lenses that can be easily attached and detached to a plurality of complementary frame designs.  
         [0012]     Another aspect of certain embodiments of the present invention involves enabling a user to remove the lenses from one frame and insert the lenses in another frame without the use of mechanical tools or equipment or enabling a user to remove at least one lens from a frame and replace that lens with another lens without the use of mechanical tools or equipment.  
         [0013]     A further aspect of certain embodiments of the present invention involves enabling an eyeglass wearer to easily attach to and detach from a single pair of lenses multiple frames without contacting with one&#39;s fingers a region of the lenses through which one looks.  
         [0014]     An aspect of the present invention also involves an eyeglass assembly comprising a frame assembly and a subframe assembly. The frame assembly comprises a pair of temples, a front side and a back side. The frame assembly may or may not contain a pair of lenses. The back side of the frame assembly is closer to a wearer&#39;s face than the front side. The subframe assembly comprises at least one lens. The subframe assembly also comprises a front side and a back side. The back side of the subframe assembly is closer to the wearer&#39;s face than the front side of the subframe assembly. The subframe assembly is secured to the frame assembly at least in part by at least one pair of magnetic members such that the front side of the subframe assembly faces the back side of the frame assembly and the subframe assembly is at least partially positioned between the frame assembly and the wear&#39;s face. A first magnetic member of the at least one pair of magnetic members is a magnet that is secured to one of the frame assembly and the subframe assembly and a second magnetic member of the at least one pair of magnetic members is a magnet or a material that is attracted to a magnet and the second magnetic member being secured to the other of the frame assembly and the subframe assembly such that the first magnetic member and the second magnetic member are generally aligned when the subframe assembly is secured to the frame assembly. It will be appreciated by those skilled in the art that although specific locations are shown herein for the placement of the magnetic members, the specific location of the magnetic members and their shapes can vary as desired In addition, although many of the magnetic members are shown herein as having a specific shape, the shape of the magnetic member can vary. Thus, the magnetic member can be round, square oval, oblong, rectangular, ovoid and any other suitable shape.  
         [0015]     Another aspect of the present invention involves an eyeglass assembly comprising a frame assembly and a subframe assembly. The frame assembly comprises a front side and a back side with the back side being closer to a face of a wearer than the front side, and may or may not contain a pair of lenses. The frame assembly further comprises a first brow bar, a second brow bar and a bridge connecting the first brow bar to the second brow bar. A first projection extends from the first brow bar and a second projection extends from the second brow bar. A first temple is connected to the first projection and a second temple connected to the second projection. The subframe assembly comprises a front side and a back side. The back side is closer to the face of a wearer than the front side. The subframe assembly further comprises a brow bar with a lens being secured to the brow bar. The subframe assembly is secured to the frame assembly such that the front side of the subframe assembly faces the back side of the frame assembly and such that the front side of the subframe assembly generally is positioned rearward of the front side of the frame assembly.  
         [0016]     An additional aspect of the present invention also involves an eyeglass assembly comprising a frame assembly and a lens assembly. The frame assembly comprises a pair of temples, a front side and a back side. The temples may secure the frame assembly to the wearer in any suitable fashion including but not limited to about the ears, over the ears or the temples may be a strap or may be integral with the frame assembly as a unitary member.  
         [0017]     The frame assembly may or may not contain a pair of lenses. The back side of the frame assembly is closer to a wearer&#39;s face than the front side. The lens assembly can have a frame around all or part of a lens or a lens may be frameless. The lens assembly comprises at least one lens. The lens assembly also comprises a front side and a back side. The back side of the lens assembly is closer to the wearer&#39;s face than the front side of the lens assembly. The lens assembly is secured to the frame assembly at least in part by at least one pair of magnetic members such that the front side of the lens assembly faces the back side of the frame assembly and the lens assembly is at least partially positioned between the frame assembly and the wear&#39;s face. A first magnetic member of the at least one pair of magnetic members is a magnet that is secured to one of the frame assembly and the lens assembly and a second magnetic member of the at least one pair of magnetic members is a magnet or a material that is attracted to a magnet and the second magnetic member being secured to the other of the frame assembly and the lens assembly such that the first magnetic member and the second magnetic member are generally aligned when the lens assembly is secured to the frame assembly.  
         [0018]     A further aspect of the present invention involves a method of exchanging lenses in an eyewear system. The eyewear system comprises a first subframe assembly that comprises a first lens, a second subframe assembly that comprises a second lens, the second lens not being matched to the first lens, and a frame assembly that will accommodate individually both the first subframe assembly and the second subframe assembly. The method comprises releasing and removing the first subframe assembly from behind the frame assembly, placing the second subframe assembly behind the frame assembly and securing the second subframe assembly to the frame assembly.  
         [0019]     A further aspect of the present invention involves a method of exchanging lenses in an eyewear system. The eyewear system comprises a first subframe assembly that comprises a first lens and a second lens, and at least a second subframe assembly that comprises a different first lens and a different second lens, and a frame assembly that may or may not contain lenses that will accommodate individually each subframe assembly, which is not limited in number. In other words, three, four or more subframes can be used. The method comprises releasing and removing the first subframe assembly from behind the frame assembly, placing the second subframe assembly behind the frame assembly and securing the second subframe assembly to the frame assembly.  
         [0020]     An additional aspect of the present invention involves a method of exchanging frames in an eyewear system. The eyewear system comprises a first frame assembly that may or may not comprise a lens, a second frame assembly that may or may not comprise a lens, and a subframe assembly that comprises a lens where the subframe assembly is sized and configured to be accommodated within the first frame assembly and the second frame assembly. The method comprises releasing and removing the subframe assembly from behind the first frame assembly, placing the subframe assembly behind the second frame assembly and securing the subframe assembly to the second frame assembly. 
     
    
     BRIEF DESCRIPTION OF THE DRAWINGS  
       [0021]     These and other features, aspects and advantages of the present invention will now be described with reference to the drawings of several preferred embodiments. The illustrated embodiments are intended to illustrate and not to limit the invention. The drawings comprise the figures briefly described below.  
         [0022]      FIG. 1  is a front elevation view of a first eyewear assembly comprising a first frame and a first pair of lenses.  
         [0023]      FIG. 2  is a front elevation view of the first pair of lenses.  
         [0024]      FIG. 3  is a side elevation of the first eyewear assembly as presented in  FIG. 1 .  
         [0025]      FIG. 4  is a top plan view of the first eyewear assembly as presented in  FIG. 1 .  
         [0026]      FIG. 5  is a perspective view of a portion of the first eyewear assembly as presented in  FIG. 1  with the first pair of lenses shown removed from the first frame.  
         [0027]      FIG. 6  is a section view taken along the line  6 - 6  in  FIG. 4 .  
         [0028]      FIG. 7  is a front elevation view of a second eyewear assembly comprising a first frame and a first pair of lenses.  
         [0029]      FIG. 8  is a front elevation view of the first pair of lenses of the second eyewear assembly.  
         [0030]      FIG. 9  is a side elevation of the second eyewear assembly as presented in  FIG. 7 .  
         [0031]      FIG. 10  is a top plan view of the second eyewear assembly as presented in  FIG. 7 .  
         [0032]      FIG. 11  is a top plan view of the first pair of lenses as presented in  FIG. 7 .  
         [0033]      FIG. 12  is a top plan view of the first frame as presented in  FIG. 7 .  
         [0034]      FIG. 13  is a section view taken along the line  13 - 13  in  FIG. 12 .  
         [0035]      FIG. 14  is a front elevation view of a third eyewear assembly comprising a first frame and a first pair of lenses.  
         [0036]      FIG. 15  is a front elevation view of the first pair of lenses of the third eyewear assembly.  
         [0037]      FIG. 16  is a side elevation of the third eyewear assembly as presented in  FIG. 14 .  
         [0038]      FIG. 17  is a top plan view of the third eyewear assembly as presented in  FIG. 14 .  
         [0039]      FIG. 18  is a perspective view of a portion of the first pair of lenses as presented in  FIG. 14 .  
         [0040]      FIG. 19  is a perspective view of a portion of the first frame as presented in  FIG. 14 .  
         [0041]      FIG. 20  is a top plan view of a portion of the first pair of lenses as presented in  FIG. 14 .  
         [0042]      FIG. 21  is a top plan view of a portion of the first frame as presented in  FIG. 14 .  
         [0043]      FIG. 22  is a front elevation view of a fourth eyewear assembly comprising a first frame and a first pair of lenses.  
         [0044]      FIG. 23  is a front elevation view of the first pair of lenses of the fourth eyewear assembly.  
         [0045]      FIG. 24  is a side elevation of the fourth eyewear assembly as presented in  FIG. 22 .  
         [0046]      FIG. 25  is a top plan view of the fourth eyewear assembly as presented in  FIG. 22 .  
         [0047]      FIG. 26  is a perspective view of a portion of the fourth eyewear assembly as presented in  FIG. 22  with the first pair of lenses shown removed from the first frame.  
         [0048]      FIG. 27  is a front elevation view of a fifth eyewear assembly comprising a first frame and a first pair of lenses.  
         [0049]      FIG. 28  is a front elevation view of the first pair of lenses of the fifth eyewear assembly.  
         [0050]      FIG. 29  is a side elevation of the fifth eyewear assembly as presented in  FIG. 27 .  
         [0051]      FIG. 30  is a top plan view of the fifth eyewear assembly as presented in  FIG. 27 .  
         [0052]      FIG. 31  is a perspective view of a portion of the fifth eyewear assembly as presented in  FIG. 27  with the first pair of lenses shown removed from the first frame.  
         [0053]      FIGS. 32A and 32B  are a perspective view of a portion of the fifth eyewear assembly as presented in  FIG. 27  with the first pair of lenses shown installed on the first frame.  
         [0054]      FIG. 33  is a front elevation view of a sixth eyewear assembly comprising a first frame and a first pair of lenses.  
         [0055]      FIG. 34  is a front elevation view of the first pair of lenses of the sixth eyewear assembly.  
         [0056]      FIG. 35  is a side elevation of the sixth eyewear assembly as presented in  FIG. 33 .  
         [0057]      FIG. 36  is a top plan view of the sixth eyewear assembly as presented in  FIG. 33 .  
         [0058]      FIG. 37  is a perspective view of a portion of the sixth eyewear assembly as presented in  FIG. 33  with the first pair of lenses shown removed from the first frame.  
         [0059]      FIG. 38  is a perspective view of a portion of the sixth eyewear assembly as presented in  FIG. 33  with the first pair of lenses shown installed on the first frame.  
         [0060]      FIG. 39  is a front elevation view of a seventh eyewear assembly comprising a first frame and a pair of first lenses.  
         [0061]      FIG. 40  is a front elevation view of the pair of first lenses of the seventh eyewear assembly.  
         [0062]      FIG. 41A  is a perspective view of one of the first lenses being connected to the first frame of the seventh eyewear assembly as presented in  FIG. 39 .  
         [0063]      FIG. 41B  is a perspective view of the first lens showing in  FIG. 41A  after being rotated into position on the first frame of the seventh eyewear assembly as presented in  FIG. 39 .  
         [0064]      FIGS. 42A and 42B  illustrate in front view the fitting of the lens to the frame shown in  FIGS. 41A and 41B .  
         [0065]      FIG. 43  is a front elevation view of the first frame of the seventh eyewear assembly as presented in  FIG. 39 .  
         [0066]      FIG. 44  is a front elevation view of the pair of first lenses of the seventh eyewear assembly.  
         [0067]      FIG. 45  is a side elevation view of the seventh eyewear assembly.  
         [0068]      FIG. 46  is a perspective view of a portion of the seventh eyewear.  
         [0069]      FIG. 47  is a sectioned view taken along the line  47 - 47  in  FIG. 46 .  
         [0070]      FIG. 48  is a partially sectioned view of a portion of the seventh eyewear assembly showing a connection between one of the first lenses and the first frame.  
         [0071]      FIG. 49  is a front elevation view of an eighth eyewear assembly comprising a first frame and a first pair of lenses.  
         [0072]      FIG. 50  is a front elevation view of the first pair of lenses of the eighth eyewear assembly.  
         [0073]      FIG. 51  is a top plan view of the eighth eyewear assembly.  
         [0074]      FIG. 52  is a perspective view of a portion of the eighth eyewear assembly.  
         [0075]      FIGS. 53 and 54  illustrate in schematic fashion that a single pair of lenses can be used interchangeably with a plurality of frames to create some flexibility in eyewear fashion and function.  
         [0076]      FIG. 55  illustrates in schematic fashion that a single frame assembly can be used with a variety of different lens combinations.  
         [0077]      FIG. 56  is a front elevation view of an eyewear assembly comprising a first frame and a first pair of lenses.  
         [0078]      FIG. 57  is a front elevation view of a subframe containing a pair of lenses.  
         [0079]      FIG. 58  is a side elevation of the first eyewear assembly as presented in  FIG. 56 .  
         [0080]      FIG. 59  is a top plan view of the eyewear assembly as presented in  FIG. 56  with the subframe assembly of  57  secured in place.  
         [0081]      FIG. 60  is a front elevation view of an eyewear assembly comprising a first frame and a first pair of lenses.  
         [0082]      FIG. 61  is a front elevation view of two subframe assemblies, each containing one lens.  
         [0083]      FIG. 62  is a side elevation of the eyewear assembly as presented in  FIG. 60 .  
         [0084]      FIG. 63  is a top plan view of the eyewear assembly as presented in  FIG. 60  with the two subframe assemblies of  61  secured in place.  
         [0085]      FIG. 64  shows a means for connecting an eyewear assembly to a subframe assembly.  
         [0086]      FIG. 65  shows an alternative means for connecting an eyewear assembly to a subframe assembly.  
         [0087]      FIG. 66  shows another alternative means for connecting an eyewear assembly to a subframe assembly.  
         [0088]      FIG. 67  shows a magnetic member that is moveable in an orifice in a frame or subframe assembly.  
         [0089]      FIG. 68  shows a portion of a subframe assembly where there is a hinged magnetic member.  
         [0090]      FIG. 69  shows the hinged magnetic member in an exemplary position.  
         [0091]      FIG. 70  shows the hinged magnetic member in a position where the edge of the magnetic member is closer to the frame assembly.  
         [0092]      FIG. 71  shows an alternate embodiment of a means for securing an eyewear assembly and a subframe assembly using at least one magnetic member between a magnetic member on the eyewear assembly and a magnetic member on the subframe assembly.  
         [0093]      FIG. 72  shows another embodiment of a means for securing an eyewear assembly and a subframe assembly of  FIG. 71 .  
         [0094]      FIG. 73  is a front view of a frame with a subframe attached to it by means of four pairs of magnetic members: two pairs near the nasal area and two pairs near the outside edges of the lenses.  
         [0095]      FIG. 74  is a rear view of a frame with a subframe attached shown in  FIG. 75 .  
         [0096]      FIG. 75  is a top view of a frame with a subframe attached.  
         [0097]      FIG. 76  is a sectional view taken along  4 - 4  of  FIG. 74 .  
         [0098]      FIG. 77  is a sectional view taken along  5 - 5  of  FIG. 74  to it.  
         [0099]      FIG. 78  is a sectional view taken along  6 - 6  of  FIG. 74 .  
         [0100]      FIG. 79  is a rear view of a frame and subframe of  FIG. 74  showing magnetic members at the nasal area and near the outside edges of the lenses.  
         [0101]      FIG. 80  is a rear view of a frame and subframe of  FIG. 74  showing magnetic members at the nasal area.  
         [0102]      FIG. 81  is a rear view of a frame and subframe of  FIG. 74  showing magnetic members near the outside edges of the lenses.  
         [0103]      FIG. 82  is a rear view of a frame and two subframes showing magnetic members near the nasal area and outside edges of the lenses.  
         [0104]      FIG. 83  is a front view of a frame that has a one-piece lens magnetically attached to the rear side of the frame.  
         [0105]      FIG. 84  is a rear view of  FIG. 83  showing a frame with a one piece lens attached magnetically with four pairs of magnetic members.  
         [0106]      FIG. 85  is a front view of the frame and one-piece lens of  FIGS. 83 &amp; 84  shown when detached from one another.  
         [0107]      FIG. 86  is a rear view of the frame and one-piece lens of  FIGS. 83 &amp; 84  shown when detached from one another.  
         [0108]      FIG. 87  is a front view of a frame that has a two individual lenses magnetically attached to the rear side of the frame.  
         [0109]      FIG. 88  is a rear view of  FIG. 87  showing a frame with two individual lenses attached magnetically using two pairs of magnetic members to attach each lens  
         [0110]      FIG. 89  is a front view of the frame and two individual lenses of  FIGS. 87 &amp; 88  shown when detached from one another.  
         [0111]      FIG. 90  is a rear view of the frame and two individual lenses of  FIGS. 87 &amp; 88  shown when detached from one another.  
         [0112]      FIG. 91  is a front view of a goggle that has a one lens magnetically attached to the rear side of the goggle.  
         [0113]      FIG. 92  is a back view of  FIG. 91  showing a goggle with a lens attached magnetically using four pairs of magnetic members.  
         [0114]      FIG. 93  is a front view of the goggle and lens of  FIGS. 91 &amp; 92  shown when detached from one another.  
         [0115]      FIG. 94  is a back view of the goggle and lens of  FIGS. 91 &amp; 92  shown when detached from one another 
     
    
     DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT  
       [0116]     Prior to describing each of the illustrated embodiments, some general comments are set forth. As shown in the drawings, various mechanisms can be provided by which a set of lenses can be removably connected to a frame assembly that may or may not already have a lens or lenses contained therein. In most embodiments of the present invention, the lens assembly will be mounted rearward of a front surface, and more preferably a rear surface, of the frame assembly. Desirably, the frame assembly will obscure at least a portion of the lens assembly. As such, certain features, aspects and advantages of the present invention can be used with eyeglasses, sunglasses, goggles, protective eyewear and the like.  
         [0117]     Thus, either the lenses can be replaced by other lenses relative to a single frame assembly or the frame assembly can be replaced by another frame assembly relative to the lenses or both. In one embodiment, auxiliary lenses can be placed behind the primary lenses such that magnifiers, sun lenses, corrective lenses or the like can be positioned behind a primary lens. As shown in  FIGS. 53 and 54 , a single set of lenses contained in a subframe assembly can be installed in any number of frame assemblies to provide completed eyewear.  FIG. 53  shows an arrangement with a mechanical interconnection between the subframe assembly and the frame assembly while  FIG. 54  shows an arrangement with a magnetic interconnection between the subframe assembly and the frame assembly.  FIG. 55  illustrates the use of a single frame assembly with subframe assemblies comprising blue lenses, brown lenses and clear lenses. Other lens variations also can be used. Configurations such as those shown in  FIGS. 53-55  will address the desires to use either a single set of lenses with multiple frames, a single frame with multiple sets of lenses or multiples sets of lenses with multiple frames.  
         [0118]     As used herein and as discussed in further detail below, the frame assembly preferably comprises a brow bar, a pair of temples and a bridge but other suitable frame assemblies also can be used. The frame can be made of any suitable material and in any suitable manner. Notably, the frame assembly advantageously is not provided with any lenses that are secured within optical openings of the frame assembly in any typical fashion.  
         [0119]     Instead, the lenses preferably are mounted in the sub-frame or in a pair of sub-frames that are independently mountable to the frame assembly. The sub-frame or sub-frames in the illustrated arrangements preferably do not feature temples or nose support pads. Instead, once mounted in the frame assembly, the frame assembly provides these components. In some embodiments, however, the frame assembly may be made without the temples and/or the nose support pads and these components can be mounted to the sub-frame or sub-frames. Such a construction, however, reduces the illusion of an integrated frame and lens assembly. The sub-frame preferably is of the semi-rimless variety to increase the number of frame assembly variations with which the sub-frame can be used. In some embodiments, the sub-frame can comprise a very narrow frame, however, the integrity of the frame assembly can become a concern in such embodiments.  
         [0120]     The illustrated embodiments depict two general types of interconnection techniques with which the subframe assembly can be secured to the frame assembly: magnetic interlock and mechanical interlock. A combination of a magnetic interlock and a mechanical interlock also can be used. While a few mechanical interlocking constructions are illustrated, a variety of other suitable types of interlocking constructions also can be used. In some arrangements, these mechanical interlocks can be snap-fit. With respect to the magnetic interlock, magnetic members are provided on at least one of the frame assembly or the lens assembly. The magnetic members can be a magnet or a material that is attracted to a magnet (e.g., a ferrous metal). Therefore, each pair of attracting magnetic members includes at least one magnetic member that is a magnet while the other magnetic member may be a magnet or a material that is attracted to a magnet. The magnetic members can have any suitable shape and size. The magnetic members can be embedded, recessed, positioned flush with or raised from the surface to which or in which the magnetic member is secured. Preferably, a pair of magnetic members is provided such that one of the pair is in or on the frame assembly and the other is in or on a corresponding region of the subframe assembly. The magnetic members can be attached in any suitable manner, including without limitation, embedding, adhering, or through the use of a sleeve or housing. In some embodiments, the frame assembly or the subframe assembly can include a component made of a magnetic member, such as a brow bar or the like. The magnetic members can be used to join the frame assembly to the subframe assembly regardless of whether there is direct contact between the paired magnetic members. Accordingly, “magnetically secured” means that the magnetic force between the respective magnetic members is sufficient to hold the subframe assembly in a usable position relative to the frame assembly.  
         [0121]     The specific illustrated embodiments now will be described, beginning with the embodiment illustrated in  FIGS. 1-6 . In the arrangement of  FIGS. 1-6 , the eyewear  100  generally comprises a frame assembly  102  and a lens subframe assembly  104  (see, for example,  FIG. 2 ). As introduced above, the lens subframe assembly  104  preferably is mountable to the frame assembly  102  rearward of the frame assembly  102  such that at least a portion of the lens subframe assembly  104  will be positioned between the frame assembly  102  and the eye of a wearer. As used herein, the term rearward means on the side adjacent the eyes and forward means in the opposite direction.  
         [0122]     The frame assembly  102  preferably comprises a brow bar  110 , a pair of temples  112  and a bridge  114 . The brow bar  110  and the temples  112  can be connected in any suitable manner. In the arrangement illustrated in  FIGS. 1 and 3 , corresponding hinges  116  connect the temples  112  to the brow bar  110 . More particularly, projections  118  extend from the brow bar  110  and the hinges  116  connect the brow bar  110  to the projections  118 . Other suitable configurations can be used.  
         [0123]     The bridge  114  extends in a region generally corresponding to the region between the eyes of a user. In the illustrated arrangement, the brow bar  110  actually is formed in two portions that are connected by the bridge  114 . Other suitable configurations can be used including, but not limited to, a brow bar that forms at least a portion of, or, in some embodiments, the entirety of, the bridge  114 . Any of the above described components of the frame assembly  102  may be omitted or integrated with other components in some embodiments. For instance, the temples  112  can be omitted where other technology or other structure is used to secure the eyewear in position in the proximity of the user&#39;s eyes. The frame assembly  102  also can comprise other structures, such as nose pads and the structures that connect the nose pads to the rest of the frame assembly  102 .  
         [0124]     With reference now to  FIG. 2 , the lens subframe assembly  104  in the arrangement of  FIGS. 1-6  comprises a pair of lenses  120 . A brow bar  122  and a bridge  124  combine in the illustrated arrangement to define a rigid frame structure of the lens subframe assembly  104 . Preferably, the brow bar  122  and the bridge  124  have a smaller profile in front view such that the brow bar  122  and the bridge  124  of the subframe assembly  104  can be concealed by the brow bar  110  and the bridge  114  of the frame assembly  102 , as shown by the hidden lines in  FIG. 1 .  
         [0125]     The subframe assembly  104  preferably is of the rimless or semirimless variety. Such an arrangement increases the number of alternative frame constructions that can be used as the frame assembly while allowing the presence of the subframe assembly  104  to be masked. In the arrangement of  FIGS. 1-6 , the subframe assembly  104  comprises a lower nylon cord  126  that secures the lenses  120  to the brow bar  122 . Other manners of securing the lenses  120  within or to the subframe assembly  104  can be used. For instance, in some arrangements, the lenses  120  can be secured with clamps, mechanical fasteners, threaded fasteners, encircling frames, eyewires or the like.  
         [0126]     As described above, the subframe assembly  104  advantageously mounts to the frame assembly  102  in a manner that provides an appearance of integrated eyewear rather than removably connected lenses and frames. As such, in the illustrated arrangement, the subframe assembly  104  mounts behind the frame assembly  102  and the mounting structures are positioned behind the frame assembly  102  such that the mounting structures are generally obscured from the sight of one viewing the frame assembly  102  from the front.  
         [0127]     With reference to  FIGS. 4 and 6 , the bridge  124  of the subframe assembly  104  is positioned behind the bridge  114  of the frame assembly  102 . A flange  130  extends rearward from the bridge  114  of the illustrated frame assembly  102 . The flange can have any suitable configuration. Desirably, the flange  130  is configured to have a vertical dimension that is the same as or less than a vertical dimension of the bridge  114  of the frame assembly  102 . The flange  130  in the illustrated arrangement comprises a wire-type of member that extends rearward and curves upward to define a hook. The flange  130  has an offset that is slightly larger than the thickness of the bridge  124  of the subframe assembly  124 . The bridge  124  of the subframe assembly  104  can be placed in a valley  132  defined between the flange  130  and the bridge  114  of the frame assembly  102 . In a presently preferred configuration, the bridge  124  is supported by the flange  130 . In other configurations, the flange  130  can be omitted or the bridge is not supported by the flange  130 . Using the flange  130  to support the bridge  124  increases the structural integrity and facilitates the fitting of the subframe assembly  104  to the frame assembly  102 .  
         [0128]     With reference to  FIGS. 4 and 5 , an outer portion of the illustrated subframe assembly  104  comprises lugs  134  that extend laterally outward from the brow bars  122 . The lugs  134  are sized and configured to abut upon bosses  136  defined on the frame assembly  102 . The bosses  136  can be integrally formed with the frame assembly  102  or, as in the illustrated arrangement, can be separate components that are secured to the frame assembly. In the illustrated arrangement, the bosses  136  advantageously are positioned behind the projections  118  such that the bosses  136  are generally concealed as are the lugs  134  when the lugs  134  abut the bosses  136 . Moreover, in the illustrated arrangement, the bosses  136  support the lugs  134  such that the frame assembly  102  supports the outer portions of the subframe assembly  104 . In some arrangements, the bosses  136  can be positioned above or to one side of the lugs  134  and interlocking configurations can be used to connect the two components.  
         [0129]     With continued reference to  FIG. 5 , the illustrated lugs  134  comprise a lower lip  140 . The lower lip  140  preferably is sized and configured to abut a surface of the respective boss  136 . That is, the lower lip  140  helps secure the lug  134  to the boss  136 . To further secure the lug  134  and the boss  136  together, the eyewear  100  comprises interconnecting components. More particularly, in the illustrated arrangement, the eyewear  100  comprises a magnetic interlock comprising at least one magnetic member. Even more particularly, the magnetic interlock is formed by each lug and boss combination and comprises a first magnetic member  142  and a second magnetic member  144 . In some configurations, one of the magnetic members  142 ,  144  may be slightly recessed and the other of the magnetic members  142 ,  144  may extend into the recess to define a mechanical interlock in addition to defining a magnetic interlock. Other suitable configurations also can be used. Also, the magnetic members  142 ,  144  can have any desired orientation relative to each other. In other words, while the illustrated arrangement features the first magnetic member  142  being positioned above the second magnetic member  144 , other arrangements can place the first magnetic member  142  to any side of the second magnetic member  144  or can place the first magnetic member  142  below the second magnetic member  144 .  
         [0130]     In use, the illustrated frame assembly  102  generally defines the components associated with most eyewear: the brow bar  110 , the bridge  114  and the temples  112 . In some arrangements, such as the illustrated arrangement, the frame assembly  102  also comprises nose pads. To provide the lenses, a user slips the subframe assembly  104  behind the frame assembly  102  with the bridge  124  of the subframe assembly  104  slipping into the valley  132  while the lugs  134  are brought into abutment with the bosses  136 . In such a position, the lugs  134  and the bridge  124  of the subframe assembly are generally concealed from the front of the eyewear and the lenses  120  that are positioned in the subframe assembly  104  appear to be part of the frame assembly  102 . Nonetheless, when the user desires, the lenses  120  and the subframe assembly  104  can be lifted from behind the frame assembly  102  and an alternative set of lenses and subframe assembly can be placed in the frame assembly  102  or the lenses  120  and the subframe assembly  104  can be placed in an alternative frame assembly.  
         [0131]     With reference now to  FIGS. 7-13 , another arrangement of eyewear  200  generally comprises a frame assembly  202  and a lens subframe assembly  204  (see, for example,  FIG. 8 ). The lens subframe assembly  204  preferably is mountable to the frame assembly  202  rearward of the frame assembly  202  such that at least a portion, and preferably the majority, of the lens subframe assembly  204  will be positioned between the frame assembly  202  and the head of a wearer.  
         [0132]     The frame assembly  202  preferably comprises a brow bar  210 , a pair of temples  212  (see  FIG. 9 ) and a bridge  214 . The brow bar  210  and the temples  212  can be connected in any suitable manner. In the arrangement illustrated in  FIGS. 1 and 3 , corresponding hinges  216  connect the temples  212  to the brow bar  210 . More particularly, projections  218  extend from the brow bar  210  and the hinges  216  connect the brow bar  210  to the projections  218 . Other suitable configurations can be used.  
         [0133]     The bridge  214  extends in a region generally corresponding to the region between the eyes of a user. In the illustrated arrangement, the brow bar  210  is formed in two portions that are connected by the bridge  214 . Other suitable configurations can be used, including but not limited to, a brow bar that forms at least a portion of, or, in some embodiments, the entirety of, the bridge  214 . The above described components of the frame assembly  202  may be omitted or integrated with other components in some embodiments. For instance, the temples  212  can be omitted where other technology or other structure is used to secure the eyewear in position in the proximity of the user&#39;s eyes and the hinges  216  can be omitted in some configurations.  
         [0134]     With reference now to  FIG. 8 , the lens subframe assembly  204  in the arrangement of  FIGS. 7-13  comprises a pair of lenses  220 . A brow bar  222  and a bridge  224  combine in the illustrated arrangement to define a rigid frame structure of the lens subframe assembly  204 . Preferably, the brow bar  222  and the bridge  224  have a smaller profile in front view such that the brow bar  222  and the bridge  224  of the subframe assembly  204  can be substantially concealed by the brow bar  210  and the bridge  214  of the frame assembly  202 , as shown by the hidden lines in  FIG. 7 .  
         [0135]     The subframe assembly  204  preferably is of the rimless or semirimless variety. Such an arrangement increases the number of alternative frame constructions that can be used as the frame assembly while allowing the presence of the subframe assembly  204  to be masked. In the arrangement of  FIGS. 7-13 , the subframe assembly  204  comprises a lower nylon cord  226  that secures the lenses  220  to the brow bar  222 . Other manners of securing the lenses  220  within or to the subframe assembly  204  can be used. For instance, in some arrangements, the lenses  220  can be secured with clamps, mechanical fasteners, threaded fasteners, encircling frames, eyewires or the like.  
         [0136]     As described above, the subframe assembly  204  advantageously mounts to the frame assembly  202  in a manner that provides an appearance of integrated eyewear rather than an appearance of removably connected lenses and frames. As such, in the illustrated arrangement, the subframe assembly  204  mounts behind the frame assembly  202  and the mounting structures are positioned behind the frame assembly  202  such that the mounting structures are generally obscured from the sight of one viewing the frame assembly  202  from the front.  
         [0137]     With reference to  FIG. 10 , the bridge  224  of the subframe assembly  204  is positioned behind the bridge  214  of the frame assembly  202 . A protrusion  230  extends rearward from the bridge  214  of the frame assembly  202 . In some arrangements, more than one protrusion  230  can extend rearward from the bridge  214 . The protrusion  230  can have any suitable configuration. Desirably, the protrusion  230  is configured to have a vertical dimension that is the same as or less than a vertical dimension of the bridge  214  of the frame assembly  202 .  
         [0138]     The protrusion  230  in the illustrated arrangement comprises a shelf-like structure with a lip  231  that extends slightly upward at a rear portion of the protrusion  230 . Accordingly, the protrusion  230  can be said to define a hook. The lip  231  of the protrusion  230  is offset from the rear of the bridge  214  a distance that is slightly larger than the thickness of the bridge  224  of the subframe assembly  224 . The bridge  224  of the subframe assembly  204  can be placed in a valley  232  defined between the lip  231  and the bridge  214  of the frame assembly  202 . In a presently preferred configuration, the bridge  224  is supported by the protrusion  230 .  
         [0139]     With continued reference to  FIGS. 11 and 12 , the bridge  224  of the illustrated subframe assembly  204  comprises interlocking components. While the lip  231  defines one type of interlocking component, the illustrated arrangement also features a magnetic interlock comprising at least one magnetic member. Even more particularly, the magnetic interlock is formed by placing a magnetic member in at least one of the bridge  214  and the protrusion  230 . In some configurations, such as the illustrated configuration, at least one first magnetic member  242  is placed in the bridge  214  and at least one second magnetic member  244  is placed in the protrusion  230 . In some configurations, one of the magnetic members  242 ,  244  may be slightly recessed and the other of the magnetic members  242 ,  244  may extend into the recess to define a mechanical interlock in addition to defining a magnetic interlock. Other suitable configurations also can be used. For instance, the bridge  224  can be connected to a bottom surface or side surface of the protrusion  230  or the bridge  214  in some configurations and the magnetic interlock can be suitably disposed for such a connection.  
         [0140]     In use, the illustrated frame assembly  202  generally defines the components associated with most eyewear: the brow bar  210 , the bridge  214  and the temples  212 . To provide the lenses, a user slips the subframe assembly  204  behind the frame assembly  202  with the bridge  224  of the subframe assembly  204  slipping into the valley  232 . In such a position, the bridge  224  of the subframe assembly is generally concealed from the front of the eyewear and the lenses  220  that are positioned in the subframe assembly  204  appear to be part of the frame assembly  202 . Nonetheless, when the user desires, the lenses  220  and the subframe assembly  204  can be lifted from behind the frame assembly  202  and an alternative set of lenses and subframe assembly can be placed in the frame assembly  202  or the lenses  220  and the subframe assembly  204  can be placed in an alternative frame assembly.  
         [0141]     With reference now to  FIGS. 14-21 , another configuration of eyewear  300  arranged and configured in accordance with certain features, aspects and advantages of the present invention is illustrated. As illustrated, this arrangement comprises a frame assembly  302  and a subframe assembly  304  connectable together in a manner that combines portions of the arrangements shown in and described with reference to  FIGS. 1-6  and  FIGS. 7-13 .  
         [0142]     As illustrated, a bridge  324  of the subframe assembly  304  is constructed to be mounted to a protrusion  330  that extends from a bridge  314  of the frame assembly  302 . Thus, this interconnection between the frame assembly  302  and the subframe assembly  304  can be substantially as that described with respect to the eyewear  200  of  FIGS. 7-13 .  
         [0143]     Moreover, as illustrated, the subframe assembly comprises lugs  334  and the frame assembly comprises bosses  336 . These components can be substantially as that described with respect to the eyewear  100  of  FIGS. 1-6 .  
         [0144]     Because these components have been described above, further is deemed unnecessary and duplicative. Where desired or appropriate, any of the variations described above also can be used with the embodiment of  FIGS. 14-21 .  
         [0145]     With reference now to  FIGS. 22-26 , another arrangement of eyewear  400  generally comprises a frame assembly  402  and a lens subframe assembly  404  (see, for example,  FIG. 23 ). The lens subframe assembly  404  preferably is mountable to the frame assembly  402  rearward of the frame assembly  402  such that at least a portion, and preferably the majority, of the lens subframe assembly  404  will be positioned between the frame assembly  402  and the head of a wearer.  
         [0146]     The frame assembly  402  preferably comprises a brow bar  410 , a pair of temples  412  (see  FIG. 24 ) and a bridge  414 . The brow bar  410  and the temples  412  can be connected in any suitable manner. In the arrangement illustrated in  FIGS. 22 and 24 , corresponding hinges  416  connect the temples  412  to the brow bar  410 . More particularly, projections  418  extend from the brow bar  410  and the hinges  416  connect the brow bar  410  to the projections  418 . Other suitable configurations can be used.  
         [0147]     The bridge  414  extends in a region generally corresponding to the region between the eyes of a user. In the illustrated arrangement, the brow bar  410  is formed in two portions that are connected by the bridge  414 . Other suitable configurations can be used, including but not limited to, a brow bar that forms at least a portion of, or, in some embodiments, the entirety of, the bridge  414 . The above described components of the frame assembly  402  may be omitted or integrated with other components in some embodiments. For instance, the temples  412  can be omitted where other technology or other structure is used to secure the eyewear in position in the proximity of the user&#39;s eyes and the hinges  416  can be omitted in some configurations.  
         [0148]     With reference now to  FIG. 2 , the lens subframe assembly  404  in the arrangement of  FIGS. 22-26  comprises a pair of lenses  420 . A brow bar  422  and a bridge  424  combine in the illustrated arrangement to define a rigid frame structure of the lens subframe assembly  404 . Preferably, the brow bar  422  and the bridge  424  have a smaller profile in front view than the brow bar  410  and bridge  414  of the frame assembly  402  such that the brow bar  422  and the bridge  424  of the subframe assembly  404  can be substantially concealed by the brow bar  410  and the bridge  414  of the frame assembly  402 , as shown by the hidden lines in  FIG. 22 .  
         [0149]     The subframe assembly  404  preferably is of the rimless or semirimless variety. Such an arrangement increases the number of alternative frame constructions that can be used as the frame assembly  402  while allowing the presence of the subframe assembly  404  to be masked. In the arrangement of  FIGS. 22-26 , the subframe assembly  404  comprises a lower nylon cord  426  that secures the lenses  420  to the brow bar  422 . Other manners of securing the lenses  420  within or to the subframe assembly  404  can be used. For instance, in some arrangements, the lenses  420  can be secured with clamps, mechanical fasteners, threaded fasteners, encircling frames, eyewires or the like.  
         [0150]     As described above, the subframe assembly  404  advantageously mounts to the frame assembly  402  in a manner that provides an appearance of integrated eyewear rather than removably connected lenses and frames. As such, in the illustrated arrangement, the subframe assembly  404  mounts behind the frame assembly  402  and the mounting structures are positioned behind the frame assembly  402  such that the mounting structures are generally obscured from the sight of one viewing the frame assembly  402  from the front.  
         [0151]     With reference to  FIG. 25 , the bridge  424  of the subframe assembly  404  is positioned behind the bridge  414  of the frame assembly  402 . A flange  430  extends rearward from the bridge  414  of the frame assembly  402 . The flange  430  can have any suitable configuration and can be configured to cooperate with the bridge  424  as described above with respect to the eyewear  100  of  FIGS. 1-6  and the eyewear  200  of  FIGS. 7-13 .  
         [0152]     With reference to  FIGS. 22 and 26 , an outer portion of the subframe assembly  404  comprises lugs  434  that extend laterally outward from the brow bars  422 . The lugs  434  are sized and configured to abut upon bosses  436  defined on the frame assembly  102 . The bosses  436  can be integrally formed with the frame assembly  402  or, as in the illustrated arrangement, can be separate components that are secured to the frame assembly and project rearwardly therefrom. In the illustrated arrangement, the bosses  436  advantageously are positioned behind the projections  418  such that the bosses  436  are generally concealed as are the lugs  434  when the lugs  434  abut the bosses  436 . The lugs  434  can be positioned in any desired orientation relative to the bosses  436  and interlocking configurations can be used to connect the two components.  
         [0153]     In the illustrated arrangement, the bosses  436  generally comprise magnetic members that are positioned in the projections  418  and the bosses comprise interconnecting components together with the lugs  434 . More particularly, in the illustrated arrangement, the eyewear  100  comprises a magnetic interlock comprising at least one magnetic member. Even more particularly, the magnetic interlock is formed at each lug and boss combination and comprises a first magnetic member  442  and a second magnetic member  444 . In some configurations, one of the magnetic members  442 ,  444  may be slightly recessed and the other of the magnetic members  442 ,  444  may extend into the recess to define a mechanical interlock in addition to defining a magnetic interlock. Other suitable configurations also can be used.  
         [0154]     In use, the illustrated frame assembly  402  generally defines the components associated with most eyewear: the brow bar  410 , the bridge  414  and the temples  412 . To provide the lenses  420 , a user slips the subframe assembly  404  behind the frame assembly  402  with the bridge  424  of the subframe assembly  404  slipping into the valley defined by the flange  430  while the lugs  434  are brought into abutment with the bosses  436 . In such a position, the lugs  434  and the bridge  424  of the subframe assembly  404  are generally concealed from the front of the eyewear and the lenses  420  that are positioned in the subframe assembly  404  appear to be part of the frame assembly  402 . Nonetheless, when the user desires, the lenses  420  and the subframe assembly  404  can be lifted from behind the frame assembly  402  and an alternative set of lenses and subframe assembly can be placed in the frame assembly  402  or the lenses  420  and the subframe assembly  404  can be placed in an alternative frame assembly.  
         [0155]     With reference now to  FIGS. 27-32B , another arrangement of eyewear  500  generally comprises a frame assembly  502  and a lens subframe assembly  504  (see, for example,  FIG. 28 ). The lens subframe assembly  504  preferably is mountable to the frame assembly  502  rearward of the frame assembly  502  such that at least a portion, and preferably the majority, of the lens subframe assembly  504  will be positioned between the frame assembly  502  and the face of a wearer.  
         [0156]     The frame assembly  502  preferably comprises a brow bar  510 , a pair of temples  512  (see  FIG. 29 ) and a bridge  514 . The brow bar  510  and the temples  512  can be connected in any suitable manner. In the arrangement illustrated in  FIGS. 29 and 30 , corresponding hinges  516  connect the temples  512  to the brow bar  510 . More particularly, projections  518  extend from the brow bar  510  and the hinges  516  connect the brow bar  510  to the projections  518 . Other suitable configurations can be used.  
         [0157]     The bridge  514  extends in a region generally corresponding to the region between the eyes of a user. In the illustrated arrangement, the brow bar  510  is formed in two portions that are connected by the bridge  514 . Other suitable configurations can be used, including but not limited to, a brow bar that forms at least a portion of, or, in some embodiments, the entirety of, the bridge  514 . The above described components of the frame assembly  502  may be omitted or integrated with other components in some embodiments. For instance, the temples  512  can be omitted where other technology or other structure is used to secure the eyewear in position in the proximity of the user&#39;s eyes and the hinges  516  can be omitted in some configurations.  
         [0158]     With reference now to  FIG. 28 , the lens subframe assembly  504  in the arrangement of  FIGS. 27-32B  comprises a pair of lenses  520 . A brow bar  522  and a bridge  524  combine in the illustrated arrangement to define a rigid frame structure of the lens subframe assembly  504 . Preferably, the brow bar  522  and the bridge  524  have a smaller profile in front view than the brow bar  510  and the bridge  514  of the frame assembly  502  such that the brow bar  522  and the bridge  524  of the subframe assembly  504  can be substantially concealed by the brow bar  510  and the bridge  514  of the frame assembly  502 , as shown by the hidden lines in  FIG. 27 .  
         [0159]     The subframe assembly  504  preferably is of the rimless or semirimless variety. Such an arrangement increases the number of alternative frame constructions that can be used as the frame assembly while allowing the presence of the subframe assembly  504  to be masked. In the arrangement of  FIGS. 27-32B , the subframe assembly  504  comprises a lower nylon cord  526  that secures the lenses  520  to the brow bar  522 . Other manners of securing the lenses  520  within or to the subframe assembly  504  can be used. For instance, in some arrangements, the lenses  520  can be secured with clamps, mechanical fasteners, threaded fasteners, encircling frames, eyewires or the like.  
         [0160]     As described above, the subframe assembly  504  advantageously mounts to the frame assembly  502  in a manner that provides an appearance of integrated eyewear rather than an appearance of removably connected lenses and frames. As such, in the illustrated arrangement, the subframe assembly  504  mounts behind the frame assembly  502  and the mounting structures are positioned behind the frame assembly  502  such that the mounting structures are generally obscured from the sight of one viewing the frame assembly  502  from the front.  
         [0161]     With reference to  FIG. 10 , the bridge  524  of the subframe assembly  504  is positioned behind the bridge  514  of the frame assembly  502 . In the illustrated arrangement, the bridge  524  of the subframe assembly  504  is not directly supported by any structure associated with the frame assembly  502 . In other arrangements, the bridge  524  may be supported.  
         [0162]     With reference to  FIGS. 31, 32A  and  32 B, the subframe assembly  504  generally comprises a locking tab  560  that extends forward from the subframe assembly  504 . The illustrated tab  560  comprises an N-shaped configuration but can comprise any suitable configuration in other arrangements, including a V-shape or a W-shape configuration. The tab  560  also comprises a clip portion  562  that is defined between a main body  564  and a finger hold  566  of the tab.  
         [0163]     The frame assembly  502  preferably comprises a receptacle  570 . The receptacle  570  defines an aperture  572  sized and configured to accept at least a portion of the tab  560 . The illustrated aperture  572  is generally square or rectangular with a slot  573  defined along one side. As illustrated in  FIG. 32B , the slot  573  receives the clip portion  562  of the tab  560  when the tab  560  is fully positioned within the receptacle  570 . In other words, a shoulder that is defined at approximately the clip portion  562  is captured within the receptacle while the clip portion  562  is positioned in the slot  573  of the aperture  572  with the finger hold  566  protruding from the receptacle  570 .  
         [0164]     Thus, in the illustrated arrangement, the tab  560  and the receptacle  570  define a mechanical interlock. The tab  560  can be positioned on either one of the frame assembly  502  and the subframe assembly  504  while the receptacle  570  is positioned on the other. Positioning the tab  560  on the subframe assembly  504 , however, allows easier removal of the subframe assembly  504  from the frame assembly  502 .  
         [0165]     In use, the illustrated frame assembly  502  generally defines the components associated with most eyewear: the brow bar  510 , the bridge  514  and the temples  512 . To provide the lenses, a user slips the subframe assembly  504  behind the frame assembly  502  with the tab  560  being inserted into the receptacle  570  of the frame assembly  502 . In such a position, the bridge  524  of the subframe assembly  504  is generally concealed from the front of the eyewear and the lenses  520  that are positioned in the subframe assembly  504  appear to be part of the frame assembly  502 . Nonetheless, when the user desires, the lenses  520  and the subframe assembly  504  can be removed from behind the frame assembly  502  and an alternative set of lenses and subframe assembly can be placed in the frame assembly  502  or the lenses  520  and the subframe assembly  504  can be placed in an alternative frame assembly.  
         [0166]     With reference now to  FIGS. 33-38 , another configuration of eyewear  600  arranged and configured in accordance with certain features, aspects and advantages of the present invention is illustrated. As illustrated, this arrangement comprises a frame assembly  602  and a subframe assembly  604  connectable together in a manner similar to that shown in  FIGS. 27-32B . The portions that are the same as the arrangements described above will not be described in this embodiment.  
         [0167]     As illustrated, a tab  660  and a receptacle  670  provide a mechanical interlock. The tab  660  differs from the tab  560  described above in that the tab  660  comprises a bulge  662  that is received within the receptacle  670  to lock the tab  660  into the receptacle. As such, the receptacle can have a generally square or rectangular aperture  672  without the need for a slot such as that shown in  FIG. 31 . The bulge  662  can be pushed into the receptacle  670  through the aperture  672 . To remove the tab  660  from the receptacle, a finger hold  666  can be depressed which results in movement of the bulge into a position that allows the tab  660  to be withdrawn from the receptacle  670 .  
         [0168]     With reference now to  FIGS. 39-48 , another arrangement of eyewear  700  generally comprises a frame assembly  702  and a pair of lens subframe assemblies  704  (see  FIG. 44 ). Each of the lens subframe assemblies  704  preferably is mountable to the frame assembly  702  rearward of the frame assembly  702  such that at least a portion, and preferably the majority, of the lens subframe assembly  704  will be positioned between the frame assembly  702  and the eye of a wearer.  
         [0169]     The frame assembly  702  preferably comprises a brow bar  710 , a pair of temples  712  (see  FIG. 40 ) and a bridge  714 . The brow bar  710  and the temples  712  can be connected in any suitable manner. In the arrangement illustrated in  FIG. 40 , corresponding hinges  716  connect the temples  712  to the brow bar  710 . More particularly, projections  718  extend from the brow bar  710  and the hinges  716  connect the brow bar  710  to the projections  718 . Other suitable configurations can be used.  
         [0170]     The bridge  714  extends in a region generally corresponding to the region between the eyes of a user. In the illustrated arrangement, the brow bar  710  is formed in two portions that are connected by the bridge  714 . Other suitable configurations can be used including but not limited to a brow bar that forms at least a portion, or, in some embodiments, the entirety of, the bridge  714 . The above described components of the frame assembly  702  may be omitted or integrated with other components in some embodiments. For instance, the temples  712  can be omitted where other technology or other structure is used to secure the eyewear in position in the proximity of the user&#39;s eyes and the hinges  716  can be omitted in some configurations.  
         [0171]     With reference now to  FIGS. 41A-42B , each of the lenses  720  is secured to the frame assembly  702  with a separate lens subframe assembly  704 . Thus, the lens subframes do not comprise a bridge in this arrangement. The lens subframe assembly  704  comprises a version of a brow bar  722  to which the lens  720  is secured. The brow bar  722  desirably has a smaller profile in front view than the brow bar  710  of the frame assembly  702  such that the brow bar  722  of the subframe assembly  704  can be substantially concealed by the brow bar  710  of the frame assembly  702 , as shown by the hidden lines in  FIG. 39 .  
         [0172]     The subframe assemblies  704  preferably are of the rimless or semirimless variety. Such an arrangement increases the number of alternative frame constructions that can be used as the frame assembly while allowing the presence of the subframe assemblies  704  to be masked. In the one configuration, the subframe assembly  704  comprises a lower nylon cord  726  that secures the lenses  720  to the brow bar  722  of the subframe assembly  704 . Other manners of securing the lenses  720  within or to the subframe assembly  704  can be used. For instance, in some arrangements, the lenses  720  can be secured with clamps, mechanical fasteners, threaded fasteners, encircling frames, eyewires or the like.  
         [0173]     As described above, the subframe assembly  704  advantageously mounts to the frame assembly  702  in a manner that provides an appearance of integrated eyewear rather than an appearance of removably connected lenses and frames. As such, in the illustrated arrangement, the subframe assembly  704  mounts behind the frame assembly  702  and the mounting structures are positioned behind the frame assembly  702  such that the mounting structures are generally obscured from the sight of one viewing the frame assembly  702  from the front.  
         [0174]     With reference to  FIG. 39 , the illustrated subframe assemblies  704  are secured to the frame assembly  702  at in two locations. In one arrangement, such as the illustrated arrangement, the subframe assemblies  704  are secured at both lateral ends of the subframe assemblies  704 . In a presently preferred configuration, one end of the subframe assembly  704  is secured by a mechanical interlock while the other end is secured by a magnetic interlock.  
         [0175]     With reference now to  FIGS. 41A-42B , one form of the mechanical interlock between the subframe assembly  704  and the frame assembly  702  will be described. As illustrated, the frame assembly comprises an oblong post  780 . The oblong post  780  extends rearward from the frame assembly  702  and preferably has a major diameter that extends generally vertically and a minor diameter that extends generally laterally. Other shapes and configurations of the post can be used and the post can be placed on the subframe assembly  704  in some configurations. Moreover, in one preferred arrangement, an enlarged head  781  (shown in dashed lines in  FIGS. 41A and 41B ) is provided on the post  780  such that a major portion of the post  780  has a smaller cross-section than the head. In some particularly advantageous embodiments, the post comprises a magnetic member.  
         [0176]     The subframe assembly  704  preferably comprises a slot  782  that is defined within an ear  784 . In some particularly advantageous embodiments, the ear  784  comprises a magnetic member that can be magnetically secure to the post  780 . A portion of the slot  782  preferably is oblong such that the post  780  can be inserted and the lens rotated into a locked position. As with the post, other configurations can be used and the slot can be disposed on the frame assembly  702  in some configurations. As shown in  FIG. 41A , the slot  782  can slid onto the post  780  and the subframe assembly  704  can be rotated to lock the subframe assembly  704  to the frame assembly  702 , as shown in  FIG. 41B .  
         [0177]     With reference to  FIGS. 39, 40  and  48 , lugs  734  can be an outer portion of the illustrated subframe assembly  704  comprises lugs  734  that extend laterally outward from the brow bars  722 . The lugs  734  are sized and configured to abut upon bosses  736  defined on the frame assembly  702 . The bosses  736  can be integrally formed with the frame assembly  702  or can be separate components that are secured to the frame assembly  702 . In the illustrated arrangement, the bosses  736  advantageously are positioned behind the projections  718  such that the bosses  736  are generally concealed as are the lugs  734  when the lugs  734  abut the bosses  736 .  
         [0178]     In the illustrated arrangement, the bosses  736  generally comprise magnetic members that are positioned in the projections  718  and the bosses  736  comprise interconnecting components together with the lugs  734 . More particularly, in the illustrated arrangement, the eyewear  700  comprises a magnetic interlock comprising at least one magnetic member. Even more particularly, the magnetic interlock is formed at each lug and boss combination and comprises a first magnetic member  742  and a second magnetic member  744 . In some configurations, one of the magnetic members  742 ,  744  may be slightly recessed and the other of the magnetic members  742 ,  744  may extend into the recess to define a mechanical interlock in addition to defining a magnetic interlock. Other suitable configurations also can be used. Moreover, the post  780  and the ear  784  can be interchanged in location with the boss  736  and the lug  734  in some applications.  
         [0179]     With reference to  FIGS. 41A and 47 , a post  790  of the nose piece  792  can comprise a reduced portion  794 . The reduced portion  794  can accommodate a portion of either the lens  720  or the subframe assembly  704  such that the reduced portion  794  can serve to locate the lens  720  relative to the frame assembly  702  and provide another member that helps lock the subframe assembly  704  in position.  
         [0180]     In use, the illustrated frame assembly  702  generally defines the components associated with most eyewear: the brow bar  710 , the bridge  714  and the temples  712 . To provide the lenses, a user slips the subframe assembly  704  behind the frame assembly  702  and slips the post  780  into the slot  782  of the ear  784 . The subframe assembly  704  is then rotated about 90 degrees and the lug  734  is brought into engagement with the boss  736  such that the subframe assembly  704  is supported in a generally locked position relative to the frame assembly  702 . The other lens  720  can be installed to the frame assembly  702  in the same manner. In such a position, the subframe assembly  704  is generally concealed from the front of the eyewear and the lenses  720  that are positioned in the subframe assembly  704  appear to be part of the frame assembly  702 . Nonetheless, when the user desires, the lenses  720  and the subframe assemblies  704  can be removed from behind the frame assembly  702  and an alternative set of lenses and subframe assemblies can be placed in the frame assembly  702  or the lenses  720  and the subframe assemblies  704  can be placed in an alternative frame assembly.  
         [0181]     With reference now to  FIGS. 49-52 , an eyewear assembly  800  is shown. The eyewear assembly  800  features a frame assembly  802  to which a subframe assembly  804  can be mounted. Because of the similarity to the arrangements described above, many of the base components of the frame assembly  802  and the subframe assembly  804  will not be described in further detail. Rather, reference may be had to the descriptions set forth above for such components. For instance, the frame assembly  802  is very similar to the frame assembly  702  described with reference to  FIGS. 39-48 .  
         [0182]     A primary difference between the prior embodiment and the embodiment of  FIGS. 49-50  is the use of a single subframe assembly  804 . The subframe assembly  804  comprises a bridge  824  that connects a pair of brow bars  822 . The bridge  824  in the illustrated arrangement comprises a pair of slots  882  that can receive a corresponding pair of posts  870 . The posts can be configured in any suitable manner, including the manners set forth in the embodiment above. The slots  882  and the posts  870  define a mechanical interlock between the frame assembly  802  and the subframe assembly  804 .  
         [0183]     As with the arrangement described directly above, a magnetic interlock also is provided. Any suitable construction can be used and, in the illustrated arrangement, the magnetic interlock is the same as the arrangement in the embodiment described directly above. Accordingly, a pair of lugs  834  is positioned on an outer portion of the illustrated subframe assembly  804 . The lugs  834  are sized and configured to abut upon bosses  836  defined on the frame assembly  802 . The bosses  836  can be integrally formed with the frame assembly  802  or can be separate components that are secured to the frame assembly  802 . In the illustrated arrangement, the bosses  836  advantageously are positioned behind projections  818  such that the bosses  836  are generally concealed as are the lugs  834  when the lugs  834  abut the bosses  836 .  
         [0184]     In the illustrated arrangement, the bosses  836  generally comprise magnetic members that are positioned in the projections  818  and the bosses  836  comprise interconnecting components together with the lugs  834 . More particularly, in the illustrated arrangement, the eyewear  800  comprises a magnetic interlock comprising at least one magnetic member. Even more particularly, the magnetic interlock is formed at each lug and boss combination and comprises a first magnetic member  842  and a second magnetic member  844 . In some configurations, one of the magnetic members  842 ,  844  may be slightly recessed and the other of the magnetic members  842 ,  844  may extend into the recess to define a mechanical interlock in addition to defining a magnetic interlock. Other suitable configurations also can be used. Moreover, the posts  880  and slots  884  can be interchanged in location with the boss  836  and the lug  834  in some applications.  
         [0185]     In use, the illustrated frame assembly  802  generally defines the components associated with most eyewear: the brow bar  810 , the bridge  814  and the temples  812 . To provide the lenses  820 , a user slips the subframe assembly  804  behind the frame assembly  802  with the slots  884  being slid onto the posts  880  of the frame assembly  502 . In such a position, the bridge  824  of the subframe assembly  804  is generally concealed from the front of the eyewear and the lenses  820  that are positioned in the subframe assembly  804  appear to be part of the frame assembly  802 . Nonetheless, when the user desires, the lenses  820  and the subframe assembly  804  can be removed from behind the frame assembly  802  and an alternative set of lenses and subframe assembly can be placed in the frame assembly  802  or the lenses  820  and the subframe assembly  804  can be placed in an alternative frame assembly.  
         [0186]     In an alternate embodiment shown in  FIG. 56-59 , the invention may have eyewear  900  generally comprised of a frame assembly  902  and a subframe assembly containing a lens  904 . The lens subframe assembly  904  is preferably mountable to the frame assembly  902  rearward of the frame assembly  902  such that at least a portion of the lens subframe assembly  904  will be positioned between the frame assembly  902  and the eye of a wearer. In this embodiment, both the frame assembly and the subframe assembly have lenses  903  and  905  respectively. Any suitable lens or lenses may be used in either the frame or subframe assembly as may be desired by the wearer, including, but not limited to, vision correcting lenses, tinted lenses for sun protection or aesthetic reasons, magnifying lenses for reading or other uses and specialized lenses for computer use In this embodiment, the subframe assembly  904  may be mounted to the frame assembly  902  by any of the means disclosed herein.  
         [0187]     Similarly, in another alternative embodiment shown in  FIGS. 60-63 , there is a frame assembly  1000  that has mountable thereon a first subframe assembly containing a lens  1001  and a second subframe assembly containing a lens  1002 . Each of the lens subframe assemblies have a lens  1003  that may be secured to a brow bar  1004 . Each of the subframe assemblies  1001  and  1002  are adapted to be mounted onto the frame assembly so that one or both of the subframe assemblies may be replaced with other subframe assemblies. For example, the frame assembly  1000 , may have a subframe with clear lenses and the user may desire to replace the subframes with other subframe assemblies that are better adapted for reading. As noted above, any suitable lens or lenses may be used in either the frame or subframe assemblies. The subframe assemblies may be secured to the frame assembly by any of the means disclosed herein  
         [0188]     In one embodiment, an outer portion of each subframe assembly may have lugs that extend laterally outward from the brow bar. The lugs are sized and configured to abut upon bosses  1005  defined on the frame assembly. The bosses can be integrally formed with the frame assembly or, as illustrated herein, can be separate components that are secured to the frame assembly. The bosses preferably support the lugs such that the frame assembly  1000  supports the outer portions of each subframe assembly  1001  and  1002 . The subframe assemblies may be secure to the frame assembly by any of the arrangements shown herein.  
         [0189]      FIGS. 64 through 70  show various means whereby the position of at least one of a pair of magnetic members may be adjusted or changed to accommodate various thicknesses of lenses contained within the frame and subframe assemblies so that the distance between the frame and subframe may be increased as desired to keep the lenses from scratching while maintaining a proper distance between said pair of magnetic members so that the magnetic attraction between said pair of magnetic members is sufficient to help secure the subframe to the frame. This is especially useful when certain types of vision correcting lenses are contained in the frame or subframe assembly that extend behind the frame assembly or in front of the subframe assembly or both.  
         [0190]      FIG. 64  shows an alternative means of securing a frame to a subframe. In this embodiment, there is a magnetic member  1020  on the outside surface  1021  of at least one side of a subframe assembly  1022  and a magnetic member  1023  on the corresponding inside surface  1024  of the frame assembly. At least one of the magnetic members is a magnet. The remaining magnetic member is a magnet or a material that is attracted to a magnet. The magnet may be on either the frame or the subframe assembly. At least one magnetic member preferably extends outwardly a short distance from at least one of the surfaces of the frame or the subframe assembly. This can provide a better magnetic connection between magnetic members when used with certain thicknesses of lenses contained in the frame or subframe.  
         [0191]     In another embodiment shown in  FIG. 65  there is an adjustable or moving magnetic member. In this embodiment, a magnetic member  1030  may have a first portion  1031  there about flush with, or extending from, an opening  1032  in the surface of either the frame or the subframe. The magnetic member may be positioned in the opening so that a portion  1031  of the magnetic member extends outwardly. The remainder of this magnetic member may be in a recessed position  1033  of the opening when not near a second magnetic member. When the magnetic member is in proximity to a second magnetic member  1035 , the first magnetic member has the ability to extend outwardly from the frame or the subframe as the case may be. The first magnetic member is retained in a recess in the frame or the subframe by a flange  1034  about the base of the magnetic member that is larger than the opening in the frame or subframe, as seen in  FIG. 65 . The magnetic member may be positioned in a recess in either one or both of a frame or subframe. The frame assembly or the subframe assembly as the case may be may have a recess that has at least one sidewall and a base wall and where there is a flange extending from the side wall as seen in  FIG. 65 . The flange forms an opening in the assembly for a portion of the magnetic member to extend from the opening when the magnetic member is in a contact position, i.e., when the movable magnetic member is being drawn to another magnetic member. The base portion preferably has a size that prevents the magnetic member from passing through the opening formed by said flange. The magnetic member has a recessed position and an extended position. When the magnetic member is a magnet, it has the ability to move to an extended position whenever it is in proximity to another magnet or a material that is attracted to a magnet. When the magnetic member in the recess is a material that is attracted to a magnet, it has the ability to move to an extended position when it is in proximity to a magnet.  
         [0192]     In another embodiment as shown in  FIG. 66 , there can be a magnetic member  1041  in a recess in a frame or a subframe. This magnetic member may be fixed within the recess. On the opposite frame member there can be a movable magnetic member  1042  that is drawn to the magnetic member  1041  in the recess in a fixed position extending from the outer surface of the frame or subframe assembly. This magnetic member extends outwardly of the surface so that it can enter the recess  1043  where the fixed magnetic member is secured thereby magnetically securing the frame to the subassembly. Either the frame assembly or the subframe assembly may have a magnetic member secured to the assembly. The assembly has a recess for receiving a magnetic member and the magnetic member has a base portion and a contact portion. The contact portion extends above the surface of the assembly. The other one of the frame assembly or the subframe assembly has a recess for receiving a magnetic member. The magnetic member being movably retained in the recess.  
         [0193]     The recess may be formed by at least one sidewall and a base wall. There is a flange extending from said at least one side wall. This flange forms an opening in the assembly for a second magnetic member  1043 . The second magnetic member has a size that prevents it from passing through the opening formed by the flange. The second magnetic member is movable between a first position and a second magnetic member contact position in the recess.  
         [0194]     Alternatively, instead of being fixed in the recess, the magnetic member  1041  can be movable and move toward the opening in the recess. However, the said magnetic member is prevented from being released from the frame or the subassembly frame as the case may be because the opening for the recess is smaller than the overall size of the magnetic member within the recess.  
         [0195]     As seen in  FIG. 67 , the adjustable magnetic member  1050  alternatively can have a body portion in the form of a rod  1051  having a first flanged member or lip  1052  at one end portion of the rod and a second flanged member or lip  1053  at the opposite or second end portion of the rod. The rod portion of the magnet may be in an orifice  1054  that extends through the frame or the subframe assembly. The first and second end portions have a cross sectional area greater than the cross sectional area of the orifice. The rod can move within the orifice from a recessed position to an extended position. The flanged members or lips retain the rod in the orifice. Alternatively, the rod portion can have threads that screw into corresponding threads on the inner wall of the orifice. In addition, a threaded locking ring can be used on one end portion of the rod to secure the rod in a pre-determined position. The locking ring can be used in conjunction with a flange or lip on the end portion or in place of a flange or lip on the end portion. In any case, the adjustable magnetic member can be a magnet or a material that is attracted to a magnet.  
         [0196]     In a still further embodiment as shown in  FIGS. 68-70  the subframe assembly  1060  may have a magnetic member  1061  on at least one of the sides of the subframe assembly that is secured to the subframe assembly by means of a hinge  1062 . The hinged magnetic member may be in the form a generally flat member hingedly connected to the frame on one side and made from a magnet or a magnetic material. Alternatively, there can be a magnet secured onto the hinged member  1061 . The shape of the hinge can also be spherical or other shapes. The hinged magnetic member may be a generally straight or if desired it may be curved.  
         [0197]     It should be understood that any part of any of the embodiments described in  FIGS. 64-70  may be combined in any suitable manner. For example, the movable magnetic member  1030  in  FIG. 65  may be used in conjunction with the movable magnetic member  1042  of  FIG. 66 . As another example, two movable magnetic members as in  1030  in  FIG. 65  may be used in conjunction with one another, one being in the frame assembly and the other being in the subframe assembly. In addition, the hinged magnetic member  1061  of  FIG. 68  may be used in conjunction with another hinged magnetic member, or with the movable magnetic member  1050  of  FIG. 67 , and so on, and so on.  
         [0198]      FIGS. 71 and 72  show alternative embodiments of a means for securing the a frame assembly  1101  to a subframe assembly  1102 . In the embodiments shown in  FIGS. 71 and 72 , the distance between the frame assembly and subframe assembly may be increased by the addition of a third magnetic member that is used in conjunction with a pair of magnetic members as a “spacer”. In these embodiments, the third magnetic member can be magnetically attached between the first and second magnetic members of a pair to increase the distance between the said first and second magnetic members of said pair to increase the distance between the frame and subframe. Various sizes, shapes, and thicknesses of third magnetic members can be used to increase the distance between the frame and subframe as desired. In addition, a third magnetic member may have a sleeve portion that is desirably shaped to overlap at least a part of the magnetic members of the frame to create a more secure attachment by keeping the magnetic members from moving relative to one another. A third magnetic member may be used in conjunction with any of the embodiments disclosed herein, including magnetic members that are embedded, surface mounted, recessed or movable from a first position to a second position. In addition, a third magnetic member may be adhered with epoxy or by other means to one of a pair of magnetic members.  
         [0199]      FIG. 71  is a side view of a frame assembly  1101  with a magnetic member  1103  embedded in it, a subframe assembly  1102  with a magnetic member  1106  adhered to its surface, and a third magnetic member  1107 . Alternatively, the subframe  1102  may have a magnetic member embedded in it and the frame may have a magnetic member adhered to its surface. There is a first magnetic member  1103  which may be secured to an outer surface  1104  of the eyewear assembly  1101 . The magnetic member  1103  may be positioned in a recess  1105  in the surface or on the outer surface  1104  of the eyewear assembly  1101 . A second magnetic member  1106  is positioned on an outer surface  1107  on the subframe assembly  1102 . The second magnetic member may be on the outer surface  1109  of the subframe assembly or it may be positioned in a recess in the outer surface  1109 . In addition to the first magnetic member  1103  and the second magnetic member  1106  there is a third magnetic member  1107  that provides an extension to the other two magnetic members so that the eyewear assembly  1101  and the subframe assembly  1102  are adequately secured together and that there is a sufficient gap between the two so that neither the eyewear assembly nor the subframe assembly will scratch the other. At least one of the magnetic members is a magnet and the other magnetic members are a magnet or a material attracted to a magnet.  
         [0200]      FIG. 72  shows an alternate embodiment of the article of  FIG. 71 .  FIG. 72  is a side view of a frame  1101  with a magnetic member  1103  embedded in it, a subframe  1102  with a magnetic member  1106  adhered to its surface, and a third magnetic member  1107  which has a sleeve portion  1108  which allows it to fit over a portion of the magnetic member  1106  adhered to the surface of the subframe. Alternatively, the subframe may have a magnetic member embedded in it and the frame may have a magnetic member adhered to its surface. Also, both the frame assembly  1101  and the subframe assembly  1102  may have a magnetic member extending above the surface. In that instance the third magnetic member may be a smaller member. It will also be appreciated that both the first and second magnetic members may be recessed and a larger third magnetic member can be used.  
         [0201]      FIGS. 73-77  show an alternate embodiment of the present invention.  FIG. 73  is a front view of a frame assembly  1201  with a subframe assembly  1202  attached to it. The two assemblies are connected by means of four pairs of magnetic members: two pairs near the nasal area and two pairs near the outside edges of the lenses.  FIG. 76  is a sectional view taken along  4 - 4  of  FIG. 74 . It shows the nose-pad arm  1203  and nose pad  1204  of the frame, and a projection  1205  from the subframe that has a magnetic member in a receptacle or hood  1206  attached to it. The magnetic member of the subframe contacts a magnetic member in a corresponding receptacle or hood  1207  on the rear of the nose pad  1204 . The actual magnetic member cannot be seen from this view. However, it will be appreciated that the receptacles or hoods  1206  and  1207  could be the magnetic member if desired.  
         [0202]      FIG. 77  is a sectional view taken along  5 - 5  of  FIG. 74 . It shows the nose-pad arm  1203  and nose pad  1204  of the frame, and a magnetic member  1207  attached to said nose-pad arm. Also shown is a projection  1205  from the subframe that has a magnetic member  1206  attached to it.  
         [0203]      FIG. 78  is a sectional view taken along  6 - 6  of  FIG. 74  and show the connection between the frame assembly and the subframe assembly near the outside edges of the lenses. A magnetic member  1209  may be positioned on the outside edge of one of the assemblies and a second magnetic member  1210  may be positioned on the other assembly  
         [0204]      FIG. 79  is a rear view of both a frame  1201  and subframe  1202  showing magnetic members at the nasal area and near the outside edges of the lenses. The magnetic members on the subframe may have a sleeve portion that is recessed or otherwise desirably shaped to overlap at least a part of the magnetic members of the frame to create a more secure attachment by keeping the magnetic members from moving relative to one another. Similarly, the magnetic members on the frame may have a sleeve portion that is recessed or otherwise desirably shaped to overlap at least a part of the magnetic members of the subframe to prevent the magnetic members from moving relative to each other.  
         [0205]      FIG. 80  is a rear view of a frame and subframe showing magnetic members only at the nasal area. The magnetic members on either the frame or the subframe have a sleeve portion that is desirably shaped to overlap at least a part of the magnetic members of the other assembly to create a more secure attachment by keeping the magnetic members from moving relative to one another.  
         [0206]      FIG. 81  is a rear view of a frame and subframe showing magnetic members only near the outside edges of the lenses. The magnetic members on the frame or the subframe have a sleeve portion that is desirably shaped to overlap at least a part of the magnetic members of the opposite assembly to create a more secure attachment by keeping the magnetic members from moving relative to one another.  
         [0207]      FIG. 82  is a rear view of a frame  1220  and two subframes  1221  and  1222  showing magnetic members near the nasal area and outside edges of the lenses. The magnetic members on the frame or the subframe have a sleeve portion that is desirably shaped to overlap at least a part of the magnetic members of the other assembly to create a more secure attachment by keeping the magnetic members from moving relative to one another.  
         [0208]      FIG. 83  is a front view of a frame assembly  1301  that has a one-piece lens assembly magnetically attached to the rear side of the frame. The frame assembly may have one or more lenses present but it is not necessary. Magnetic members may be present on the rear of the frame at any number of suitable locations on the frame as discussed herein.  
         [0209]      FIG. 84  is a rear view of  FIG. 83  showing a frame assembly  1301  with a one piece lens assembly  1302  attached magnetically with four pairs of magnetic members. Two pairs of magnetic members are present on the frame assembly and two pairs of magnetic members, are on the lens assembly. The one-piece lens assembly may be frameless and has four magnetic members embedded into it, two near the nasal area  1304  and  1305  and two near the outer edges of the lens  1303  and  1306 . Although the magnetic members are shown in the Figures as extending from the front surface of the lens assembly through to the rear surface of the lens assembly, it will be appreciated that the magnetic members may be just secured to the surface of the assembly or positioned in a recess that does not go all the way through the assembly. The magnetic members on the front side of the lens assembly are each one of a pair, and are in positions that correspond to the positions of magnetic members on the rear side of the frame that are the other one of a pair so that the lens attaches magnetically when placed behind the frame. If desired, the bridge  1311  can be removable.  
         [0210]      FIG. 85  is a front view of the frame assembly  1301  and one-piece lens assembly  1302  of  FIGS. 83 &amp; 84  shown when detached from one another.  
         [0211]      FIG. 86  is a rear view of the frame and one-piece lens of  FIGS. 83 &amp; 84  shown when detached from one another. This Figure shows the placement of the magnetic members  1307 ,  1308 ,  1309  and  1310  on the frame assembly  
         [0212]      FIG. 87  is a front view of a frame assembly  1301  that has a two individual lenses  1312  and  1313  magnetically attached to the rear side of the frame.  
         [0213]      FIG. 88  is a rear view of  FIG. 87  showing a frame with two individual lens assemblies. The lenses  1312  and  1313  attach magnetically using two pairs of magnetic members to attach each lens. Each lens is frameless and has two magnetic members embedded into it, one near the nasal area and one near the outer edge of the lens. The magnetic members on the front side of the lens are each one of a pair, and are in positions that correspond to the positions of magnetic members on the rear side of the frame that are the other one of a pair so that the lens attaches magnetically when placed behind the frame.  
         [0214]      FIG. 89  is a front view of the frame and two individual lenses of  FIGS. 87 &amp; 88  shown when detached from one another.  
         [0215]      FIG. 90  is a rear view of the frame and two individual lenses of  FIGS. 87 &amp; 88  shown when detached from one another. In another embodiment the frame assembly may be provided with a first lens  1330  and there is no second lens in the frame assembly. The second lens is provided by an individual lens  1313 .  
         [0216]      FIG. 91  is a front view of a goggle that has a one lens magnetically attached to the rear side of the goggle.  
         [0217]      FIG. 92  is a back view of  FIG. 91  showing a goggle  1320  with a lens assembly  1321  attached magnetically using four pairs of magnetic members. The lens assembly is frameless and has four magnetic members  1322 ,  1323 ,  1324 , and  1325  embedded into it, two near the nasal area and two near the outer edge of the lens. It is not required that the magnetic members be in the positions shown in the drawings. The placement and the number of the magnetic members can vary depending on the type of goggles and the material they are made of. The magnetic members on the front side of the lens are each one of a pair, and are in positions that correspond to the positions of magnetic members on the rear side of the goggle that are the other one of a pair so that the lens attaches magnetically when placed in the correct position behind the goggle.  
         [0218]      FIG. 93  is a front view of the goggle and lens of  FIGS. 91 &amp; 92  shown when detached from one another.  
         [0219]      FIG. 94  is a back view of the goggle and lens of  FIGS. 91 &amp; 92  shown when detached from one another.  
         [0220]     Although the present invention has been disclosed in the context of certain preferred embodiments, examples and variations, it will be understood by those skilled in the art that the present invention extends beyond the specifically disclosed embodiments to other alternative embodiments and/or uses of the invention and obvious modifications and equivalents thereof. In addition, while a number of variations of the invention have been shown and described in detail, other modifications, which are within the scope of this invention, will be readily apparent to those of skill in the art based upon this disclosure. For instance, the exterior shape and dimensions of the frame assemblies, subframe assemblies, mechanical interlocks and magnetic interlocks can be any suitable shape or configuration, including the use of curved or straight surfaces in the place of straight or curved surfaces. In addition, the connections preferably are made with the lens assembly resting on a surface of the frame assembly. In some embodiments, however, the lens assembly can be positioned such that the frame assembly rests on a portion of the lens assembly. It is also contemplated that various combinations or subcombinations of the specific features and aspects of any of the many embodiments may be made and still fall within the scope of the invention. It should be understood that various features and aspects of the disclosed embodiments can be combined with or substituted for one another in order to form varying modes of the disclosed invention. Moreover, some variations that have been described with respect to one embodiment and not another embodiment can be used with such other embodiments. For instance, the subframe assembly can be supported in one, two or more locations on the frame assembly. Many variations have been described herein and cross-application is intended where physically possible. Thus, it is intended that the scope of the present invention herein disclosed should not be limited by the particular disclosed embodiments described above, but should be determined only by a fair reading of the claims that follow.