Slit lamp microscope

Details Slit lamp microscope Slit lamp microscope

1976-07-08

1978-07-25

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

350 9610, 351 7, 351 16, A61B 310

Patent

active

041025652

ABSTRACT:
A slit lamp microscope includes an illumination light source from which light is passed through two separate optical paths to the patient's eye. The first of the optical paths includes a slit mask and a projecting lens so that the light is focused on the patient's eye to provide a bright slit-like illumination. The light which has passed through the second path provides a uniform auxiliary illumination around the illuminated slit area so that the location of the area can be readily determined with respect to other portions of the patient's eye.

REFERENCES:
patent: 3068745 (1962-12-01), Peck
patent: 3414348 (1968-12-01), Gambs
patent: 3652153 (1972-03-01), Gambs

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