Arrangement and method for illumination in a stereoscopic ophtha

Details Arrangement and method for illumination in a stereoscopic ophtha Arrangement and method for illumination in a stereoscopic ophtha

1998-04-01

1999-08-24

Manuel, George

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

A61B 302

Patent

active

059431180

ABSTRACT:
Ophthalmic device, such as a slit lamp or a visual acuity testing device or a combination of these devices, for variable illumination of the patient's eye with illumination fields of different geometries, wherein the illumination of the patient's eye is generated by means of chip components which are controllable electronically with respect to their light transparency, light reflection or light emission and which are illuminated by reflected light or transmitted light or are self-illuminating.

REFERENCES:
patent: 4764007 (1988-08-01), Task
patent: 5512966 (1996-04-01), Snook

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