Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1976-02-13
1977-11-01
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
350 96B, 351 16, A61B 310, G02B 516
Patent
active
040563103
ABSTRACT:
A method and device for ophthalmoscopy for observing fundus oculi by a binocular ophthalmoscope through a contact lens arranged in contact with an eyeball to be observed, said method and device for ophthalmoscopy enabling to observe the fundus by a multiplied erect image from a position distant from the examinee.
REFERENCES:
patent: 3036153 (1962-05-01), Day
patent: 3104324 (1963-09-01), Rabinow
patent: 3475082 (1969-10-01), Streitzel
patent: 3582191 (1971-06-01), Cohen et al.
patent: 3820879 (1974-06-01), Frisen
patent: 3944341 (1976-03-01), Pomerantzeff
patent: 3954329 (1976-05-01), Pomerantzeff
Inaba Kouji
Nakahashi Ken-Ichi
Shimizu Hiroyuki
Olympus Optical Co,. Ltd.
Sacher Paul A.
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