Apparatus for detecting visual field defects of the eye

Details Apparatus for detecting visual field defects of the eye Apparatus for detecting visual field defects of the eye

1979-09-11

1983-12-20

Corbin, John K.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351239, 351243, A61B 302

Patent

active

044213921

ABSTRACT:
A perimeter for testing visual field light-sensitivity presents a moving spot or a set of fixed spots visually to a patient. The spot or spots have ill-defined edges so that the effect of visual acuity is minimized. A hand-held device is proposed whereby mass monitoring, particularly for the effects of glaucoma, is possible.

REFERENCES:
patent: 3025755 (1962-03-01), Koetting
Elliot (Editor), Basic Psychology,--1963 pp. 477 & 478.
Crick et al., The Application of Signal Processing Theory to Perimetry, Glaucoma Concepts, Research & Clinical Forms, 1980.

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