Apparatus for sensory control of a person undergoing test

Details Apparatus for sensory control of a person undergoing test Apparatus for sensory control of a person undergoing test

1976-01-05

1978-01-24

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Folding

351 1, 351 17, 351 32, 351 36, 351 37, 273 1E, 346112, A61B 302, A61B 516

Patent

active

040701026

ABSTRACT:
A sensory control apparatus to determine the visual acuteness of persons tested. The apparatus has at least one optical device to view images of figures provided by a step-by-step parade means. The apparatus is operated by an electronic command module operated by a person tested when he has identified the images seen. Power feed means and display means to display the results are also provided. The device alerts the person tested of the start of ametropic vision and poor reflexes.

REFERENCES:
patent: RE28921 (1976-08-01), Haines et al.
patent: 416599 (1889-12-01), Green
patent: 3012472 (1961-12-01), Feinberg et al.
patent: 3288546 (1966-11-01), Gans
patent: 3486813 (1969-12-01), Johnston
patent: 3573843 (1971-04-01), Solley
patent: 3698385 (1972-10-01), Low et al.
patent: 3747589 (1973-07-01), Harrison et al.
patent: 3861790 (1975-01-01), Tamura
patent: 3864695 (1975-02-01), Nagashima et al.
patent: 3905688 (1975-09-01), Decker et al.

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