Color field test with occlusion of non-tested eye

Details Color field test with occlusion of non-tested eye Color field test with occlusion of non-tested eye

1993-10-29

1995-10-24

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351224, A61B 302

Patent

active

054614368

ABSTRACT:
In a color field test where the field background is of a first color--preferably yellow--and the illuminating spot is of a second and different color--preferably blue, a translucent occluder is utilized for the eye. The translucent occluder is chosen to permit entry of light having the color of the background--here yellow--while filtering out substantially all light of the spot color--here blue. There results the ability to conduct a field test in color where retinal rivalry interference with the test is held to a minimum.

REFERENCES:
patent: 3269792 (1966-08-01), Mirsky
patent: 5094524 (1992-03-01), Fuhr
patent: 5220361 (1993-06-01), Lehmer et al.
patent: 5293532 (1994-03-01), Marshall

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