Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1984-12-17
1987-09-01
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
354413, A61B 314, G03B 700
Patent
active
046905251
ABSTRACT:
An eye fundus camera is provided with an illuminating system for illuminating an eye to be examined, a photographing system for photographing the fundus of the eye to be examined, eye fundus reflected light receiving portions disposed in a plane substantially conjugate with the fundus of the eye to be examined and at a plurality of locations with a spacing greater than the dimension corresponding to the nipple diameter, and a control unit for operation-processing the outputs of the eye fundus reflected light receiving portions and automatically controlling the quantity of photo-taking light.
REFERENCES:
patent: 4429970 (1984-02-01), Fujiwara
Kobayashi Kazunobu
Madate Haruhisa
Matsumura Isao
Sekiguchi Kyoji
Bovernick Rodney B.
Canon Kabushiki Kaisha
Dzierzynski P. M.
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