Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent
1987-12-07
1989-08-15
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
351205, A61B 310
Patent
active
048568929
ABSTRACT:
The invention relates to an ophthalmoscope for indirect ophthalmoscopy. The device contains a light source, a vertically movable condenser and a mirror--preferably--vertically movable.
A lens carrier including a set of lenses can be affixed at will to the ophthalmoscope.
REFERENCES:
patent: 1774382 (1930-09-01), Keeler
patent: 1776960 (1930-09-01), Turville et al.
patent: 4603944 (1986-08-01), Greenlaw et al.
Bovernick Rodney B.
Ryan Jay Patrick
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