Apparatus for measuring curvatures of a spherical surface

Details Apparatus for measuring curvatures of a spherical surface Apparatus for measuring curvatures of a spherical surface

1980-03-21

1983-02-01

Corbin, John K.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Support

351205, A61B 310, A61B 300

Patent

active

043712371

ABSTRACT:
An actuating means for an ophthalmoscopic instrument wherein the adjustment knobs and handle are relatively located such that the knobs can be conveniently actuated by fingers of a hand gripping the handle.

REFERENCES:
patent: 1776960 (1930-09-01), Turville et al.
patent: 3253509 (1966-05-01), Peters
patent: 3869206 (1975-03-01), Nupuf
patent: 3932030 (1976-01-01), Hasegawa et al.

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