Photoscreening camera system

Details Photoscreening camera system Photoscreening camera system

1989-07-31

1991-02-05

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351208, A61B 314

Patent

active

049899686

ABSTRACT:
The present invention relates to a camera system for detecting photorefractive errors in a patient's eyes and for detection of ocular misalignment, media opacities and other abnormalities of the eyes and the lids. The invention includes a strobe mounted adjacent to a lens shield to create a slit aperture and which flash is rotated 90 degrees for vertical and horizontal or oblique photographs of different meridians. The camera has either a plurality of a mirrors forming a foldable light path or a telescopic or telephoto lens and a shorter light path to provide magnification of the image for one to one imaging.

REFERENCES:
patent: 4717952 (1988-01-01), Kohayakawa et al.

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