Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent
1986-05-05
1988-02-23
Arnold, Bruce Y.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
G02B 2702, A61B 300
Patent
active
047266732
ABSTRACT:
A tachistoscope system is presented in which separate images may be sent to the left and right hemispheres of the visual cortex. A subject-worn viewing system having electro-optical valves is used to cover the right and left visual fields of the subject and the valves are operable in response to control signals. These control signals also synchronize the inputs from 2 television cameras with the opening of the valves. An alternative embodiment employs lenses of different colors arranged to cover the right and left visual fields of the subject and means for displaying colored areas of output.
REFERENCES:
patent: 1662054 (1926-07-01), Beall
patent: 2196904 (1940-04-01), Sherman
patent: 3837734 (1974-09-01), Regan
Arnold Bruce Y.
Fournier Kevin
University of Southern California
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