Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1993-02-22
1994-07-26
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, 359377, A61B 310
Patent
active
053330188
ABSTRACT:
A stereoscopic ophthalmoscope for examining an eye including two inner reflection mirrors for guiding light representing the image of the eye toward a pair of external mirrors. Each of the external mirrors serves as an image splitter for dividing the light into two distinct optical observation paths. The first optical observation path is used to produce a stereoscopic image of the eye suitable for binocular viewing. The second optical observation path is used to produce a non-stereoscopic image of the eye suitable for monocular or binocular viewing.
REFERENCES:
patent: 4449797 (1984-05-01), Kocher et al.
patent: 4681413 (1987-07-01), Schmidt et al.
patent: 4684227 (1987-08-01), Schmidt et al.
patent: 4699481 (1987-10-01), Matsumura
Heine Helmut A.
Rosenbusch Helmut
Schmidt Otto H.
Dang Hung Xuan
Heine Optotechnik GmbH
Propper Manufacturing Co. Inc.
Sikes William L.
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