Quick screening for scotopic sensitivity syndrome

Details Quick screening for scotopic sensitivity syndrome Quick screening for scotopic sensitivity syndrome

1989-07-07

1991-11-26

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351239, 351243, A61B 302

Patent

active

050678060

ABSTRACT:
A device permitting the rapid determination of scotopic sensitivity syndrome comprised of small cards with colored filters on visual test patterns. The filter's frequencies correspond to the receptor frequencies of the cones in the retina and their combinations.

REFERENCES:
patent: 4293200 (1981-10-01), Dobson et al.
patent: 4526452 (1985-07-01), Hirsch

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