Patent ID: 7600870

Claim:
An attachable supplemental lens unit used on or in combination with a pair of eyeglasses having a pair of primary lenses, comprising: a. an elongated bridge having two ends and at least two prongs, one prong extending from each of said ends of said bridge in a direction substantially perpendicular to a surface of said bridge; b. a pair of supplemental lenses, each supplemental lens having a nasal cavity located near a nasal portion of said supplemental lens and a peripheral cavity in at least one surface located near a periphery of said supplemental lens, the nasal cavity of each of said supplemental lenses being generally aligned with one of said prongs, said bridge connecting said supplemental lenses to each other when said prongs are inserted into said nasal cavities, each of said supplemental lenses being alignable with one of said primary lenses that corresponds thereto; and c. at least two sets of magnets, each set having at least two magnets of opposite polarity, at least one magnet of each said set being positioned in said peripheral cavity of one of said supplemental lenses and the other magnet of each said set being positioned in a cavity in one surface of said corresponding primary lens, wherein said cavity in said corresponding primary lens is generally alignable with said peripheral cavity so that said magnets of said pair generally align, said supplemental lens being removably attachable to said corresponding primary lens.