Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1992-02-13
1994-08-09
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351221, 354 62, A61B 314
Patent
active
053370945
ABSTRACT:
Eye observation apparatus composed of an illumination optics which is fixed on a frame of a main body and illuminates, a portion of inspection, a photographic optics system for for causing an image ray which is emitted from the portion of inspection to reach an image plane, a photographing means movably equipped in the frame of the main body along with an optical axis and a biasing means for biasing the photographing means so that a tip portion of the photographing means coming into contact with an eye slightly.
REFERENCES:
patent: 4209225 (1980-06-01), Kumiomi et al.
Mizuno Sei-no-suke
Yamada Yoshihiko
Dang Hung Xuan
Sikes William L.
Tomey Corporation
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