Slit lamp having replaceable objective lens unit for observation

Details Slit lamp having replaceable objective lens unit for observation Slit lamp having replaceable objective lens unit for observation

1980-02-19

1983-08-02

Corbin, John K.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351214, A61B 314, A61B 310

Patent

active

043962602

ABSTRACT:
Slit lamp having a slit illumination system, a binocular microscopic system and a photographing system. The binocular microscopic system has an objective lens assembly which is mounted replaceably on the body. A replaceable lens unit is provided for observation of the endothelial cell of the cornea. The lens unit include an objective lens, a relay lens and mirrors for directing the light bundle through the objective lens to one of the optical paths in the binocular microscopic system.

REFERENCES:
patent: 2622473 (1952-12-01), Littmann
patent: 3173984 (1965-03-01), Vogl
patent: 3652153 (1972-03-01), Gambs
patent: 4132466 (1979-01-01), Matsumura

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