Slit lamp with auxilliary lamp producing line of light, aspheric

Details Slit lamp with auxilliary lamp producing line of light, aspheric Slit lamp with auxilliary lamp producing line of light, aspheric

1998-10-15

2000-04-18

Manuel, George

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

A61B 310

Patent

active

060506881

ABSTRACT:
An auxiliary lamp for a slit lamp device used in eye examination, to improve digital photography of the eye being examined, includes a casing and a fiber optic bundle terminating in a glued and polished end face, which end face forms a light emitting line. A cylindrical lens is positioned in front of the end face and is adjusted by a finger-operated screw device to be moved toward, and away from, the end face to focus the line of light.

REFERENCES:
patent: 3790249 (1974-02-01), Treace
patent: 4978216 (1990-12-01), Liljegren et al.

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