Device for photographing eye movement

Details Device for photographing eye movement Device for photographing eye movement

1989-11-28

1991-02-19

Dzierzynski, Paul M.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

351209, 351206, A61B 314

Patent

active

049938258

ABSTRACT:
A device for photographing eye movement including a target comprising a plurality of lights arranged in a cross-shape with the center thereof being positioned on the eye axis of an examinee, a TV camera positioned behind the target so that at least a principal point of the TV camera's lens thereof is located on an optical line that passes near the center of the target and the examinee's pupil and a light receiving element set on the optical line so that an eye image is formed on the light receiving element.

REFERENCES:
patent: 3827789 (1974-08-01), Molner et al.
patent: 4648052 (1987-03-01), Friedman et al.

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