Ophthalmic illumination apparatus having a device that shades il

Details Ophthalmic illumination apparatus having a device that shades il Ophthalmic illumination apparatus having a device that shades il

1995-06-12

1996-09-10

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 310

Patent

active

055550401

ABSTRACT:
An ophthalmic illumination apparatus for illuminating an eye to be examined with light comprises a light source emitting illuminating light, shading means including an electrical light control element of which the transmittance is electrically varied and shading at least part of the illuminating light, and control means for electrically varying the transmittance of the shading means.

REFERENCES:
patent: 5436679 (1995-07-01), Ohtsuka et al.

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