Apparatus for determining peripheral vision

Details Apparatus for determining peripheral vision Apparatus for determining peripheral vision

1977-11-30

1979-10-02

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 24, 351 36, 351160R, A61B 302, G02C 704

Patent

active

041696646

ABSTRACT:
An apparatus for use in determining the peripheral vision extent of a patient's eye includes a contact lens type construction detachably fitted to the eye having multiple optical fibers each extending to an illuminating source. Upon illumination of a selected fiber, light is directed into the eye and the patient's response noted. The fibers are distributed so as to extend radially outwardly on the lens and thus a patient's responses provide a so-called "map" of peripheral vision extent.

REFERENCES:
patent: 3780979 (1973-12-01), de Guillebon
patent: 4063807 (1977-12-01), Gelius et al.

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