Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent
1981-04-27
1983-12-20
Corbin, John K.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Subjective type
A61B 302
Patent
active
044213930
ABSTRACT:
A system for evaluating tolerance to high acceleration as a function of visual field perimeter and psychomotor tracking ability. A semicircular array of light-emitting diodes (LED's) subtend the lateral field of view of a subject. Pairs of opposed LED's are sequentially illuminated inwardly or outwardly at a programmed rate. A control stick manipulated by the subject provides a nulling signal for maintaining a desired pair of LED's illuminated.
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Aviation Space and Environmental Medicine, vol. 48, No. 2, Feb. 1977, p. Gillingham, K. K. et al., "Visual Field Contraction During G Stress at 13.degree., 45.degree., and 65.degree. Seatback Angles".
Cohen Malcolm M.
Johanson David C.
Nelson John G.
Palumbo James J.
Bovernick Rodney B.
Corbin John K.
Hansen Henry
Sciascia R. S.
The United States of America as represented by the Secretary of
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