Wall mounted visual field testing system

Details Wall mounted visual field testing system Wall mounted visual field testing system

1980-02-04

1982-08-31

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 36, A61B 302

Patent

active

043469680

ABSTRACT:
A visual field testing unit having a thin, light-weight screen adapted for mounting on an inside building wall and having a plurality of individually energizable substantially point light sources across its surface but behind a semi-transparent screen so that the lights are not visible from the outside until lit. A hand-held control unit allows a practitioner to test the visual field of a patient sitting a distance from the wall that carries the screen. The practitioner sequences various light patterns according to automatic preprogrammed patterns and duration of energization.

REFERENCES:
patent: 3025755 (1962-03-01), Koetting
patent: 3718386 (1973-02-01), Lynn et al.
patent: 3837734 (1974-09-01), Regan
patent: 3982828 (1976-09-01), Woolf
patent: 4063807 (1977-12-01), Gelius et al.
Cohn et al., The Diodewand, Amer. Journ. of Optometry & Psy. Optics, vol. 51, No. 12, Dec. 1974.

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