Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1977-05-18
1979-01-23
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
350 6, 350 3, 350207, 350285, 351 16, 351 39, A61B 314
Patent
active
041357914
ABSTRACT:
Method and apparatus for reduced glare observation of the eye fundus through optical lenses is accomplished by synchronized scanning illumination and observation of successive portions of the fundus. The scanning is conducted in rapid cycles to obtain continuous observation of the fundus and to provide for reduced glare photographs thereof.
REFERENCES:
patent: 3259041 (1966-07-01), Okajima
patent: 3536383 (1970-10-01), Cornsweet et al.
patent: 4026638 (1977-05-01), Govignon
Sacher Paul A.
Stover, Jr. Thomas C.
Varian Associates Inc.
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