[DOC] [TLE] Patent US20100040196 - X-ray generator for achieving ... - Google [PAR] Feb 18, 2010 ... An X-ray generator (101) for achieving stereoscopic imaging effect and an X-ray 
.... There is a kind of bifocal tube, the kind of bifocal tube has two groups .... The 
stereo image pair is gained by stereo vidicon of double lens. [DOC] [TLE] Stereofluoroscopic apparatus - Patent 0063252 [PAR] Oct 27, 1982 ... The apparatus further has a lenticular lens sheet (136-1) on a flat ... [0002] 
Conventional methods for stereoscopic observation of a fluoroscopic X-ray image
-include a ... and a bifocal point X-ray tube 6 which radiates X-rays from two focal 
... The X-ray image intensifier tube 8 converts the received X-ray... [DOC] [TLE] Glasses Frames Xray Xr59 Black - Glasses Blog - ClouDNS [PAR] Mar 22, 2015 ... Stereoscopy also called stereoscopics or 3D imaging is a technique for creating 
or ... High quality bifocal and progressive lenses in the most stylish ... X-rays can 
be generated by an X-ray tube, a vacuum tube that uses a high... [DOC] [TLE] The impact of x-ray tube configuration on the eye lens and extremity ... [PAR] J Radiol Prot. 2014 Dec;34(4):N73-9. doi: 10.1088/0952-4746/34/4/N73. Epub 
2014 Oct 17. The impact of x-ray tube configuration on the eye lens and extremity
... [DOC] [TLE] obituary. - British Journal of Ophthalmology [PAR] cause but that he was wearing bifocal lenses. I feel it my ... the stereoscopic 
method to the viewing of X-ray pictures, and of ... He introduced the " Crookes's 
tube. [DOC] [TLE] Lenticular lens - Wikipedia [PAR] A lenticular lens is an array of magnifying lenses, designed so that when viewed 
from slightly ... A bifocal lens could be considered a simple example. ... As of 
2010, a number of manufacturers were developing auto-stereoscopic high 
definition ... This is determined by the maximum angle at which a ray can leave 
the image... [DOC] [TLE] titlePart - WIPO [PAR] ... systems, or apparatus spectacles sound lenses electron and ion "optics" X-ray 
"optics" ... "Compound lens or prism" denotes an optical member, the constituents 
of ... e.g. Fresnel lenses Bifocal lenses Multifocal lenses Fluid-filled or evacuated 
... Binocular arrangements Stereoscopic arrangements Base structure Stages... [DOC] [TLE] X-ray Optics: KIT - Institute of Microstructure Technology - Research ... [PAR] In X-ray spectroscopy, X-ray lenses are used for focusing an X-ray beam to an as 
... condenser and imaging lenses for synchrotron sources and X-ray tubes. [DOC] [TLE] Vision Glossary - Summers Optical [PAR] form deprivation (may also be referred to as amblyopia ex anopsia)- caused by 
conditions ... Aspheric contact lenses can work as a multifocal, or to correct a 
single-vision ... Astigmatism- light rays entering the eye do not all meet at the 
same point .... Brewster Stereoscope- an instrument used in orthoptics/vision 
therapy to... [DOC] [TLE] Patent US3592533 - Optical device for simulating optical images ... [PAR] One such device for simulating X-ray images provides for a light strainer to be ... 
now been discovered optical means for simulating an X-ray image comprising a 
lens ... will result in a stereoscopic effect, fully rectified, that is, showing 
transparency .... Of Michigan, Bifocal ophthalmic lens constructed from 
birefringent material. [DOC] [TLE] optics | Britannica.com [PAR] May 3, 2016 ... Some of these rays would enter a lens, by which they would be bent around and 
... When the light beam is refracted by a lens or reflected by a mirror, the ..... A 
number of image intensifiers and converters, particularly for X-ray or .... Another 
nonclassical optical system is the bifocal or trifocal spectacle lens. [DOC] [TLE] Chapter 3 : Chronology Temporal Recording and ... - Vasulka.org [PAR] Mar 20, 1992 ... 360 BC - Greek historian Polybius describes a 5 x 5 signaling grid used ... 
perspective and invents camera lucida, which combines a lens and a ... lens. 
1784 - Ben Franklin invents bifocals. ....

Question: Stereoscope,bifocal lens,x-ray tube
Answer: bifocal lens