Apparatus for recording images of crystalline lens sections

Details Apparatus for recording images of crystalline lens sections Apparatus for recording images of crystalline lens sections

1978-02-21

1980-11-25

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 7, 351 16, 354 62, A61B 310, A61B 314, G03B 2900

Patent

active

042355290

ABSTRACT:
Apparatus for taking photographs of crystalline lens sections including a slit illumination system and a photographing optical system which includes an optical axis inclined with respect to the slit illumination plane. In order to eliminate an image of illumination light source which may be produced by a light reflected at the patient's cornea, a light interrupting blade member is provided in the illumination optical path at a side of the slit axis adjacent to the photographing optical system.

REFERENCES:
patent: 3536383 (1970-10-01), Cornsweet et al.
patent: 3586424 (1971-06-01), Schenk et al.
patent: 3762803 (1973-10-01), Papritz
patent: 3925793 (1975-12-01), Matsumura et al.

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