Visual field tester which is entitled multiscale perimeter

Details Visual field tester which is entitled multiscale perimeter Visual field tester which is entitled multiscale perimeter

1976-02-18

1977-03-08

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

A61B 302

Patent

active

040110109

ABSTRACT:
A multiscale perimeter is a device which has a curved surface for examining the peripheral field of vision, and which has an opening in its central portion to allow view of a surface set at a greater distance from the patient's eye to permit a more magnified examination of the central field of vision.

REFERENCES:
patent: 3421498 (1969-01-01), Garrs
patent: 3482905 (1969-12-01), Tovini

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