Eye depth perception testing apparatus

Details Eye depth perception testing apparatus Eye depth perception testing apparatus

1979-09-04

1981-04-07

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 33, 351 37, A61B 308, A61B 302

Patent

active

042602262

ABSTRACT:
An improved, and more objective, eye depth perception testing apparatus wherein the eyes of a patient are tested by observing test specimens, posts or pegs of varying colors, varying shapes, varying lateral spacings, and at different lighting conditions. The apparatus, in its preferred aspects embodies a housing upon a floor or ceiling of which is provided parallel tracks within which is mounted a pair of carriers which carry transverse holders which carry a pair of pegs the lateral spacing of which can be adjusted to different widths. These pegs, the movement of which is controlled by the patient, being tested, are exchangeable, vary in color and cross-sectional shape. The walls of the apparatus are mirrored, and the inside of the apparatus is provided with a source of light which can be varied over a range of illuminations of varying intensity. The mirrors disperse the light, and eliminate reference sources, or points, this creating greater objectivity in the testing.

REFERENCES:
patent: 4035066 (1977-07-01), Slomski

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