Eye chart for screening computer monitor operators

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type

Patent

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Details

A61B 302

Patent

active

046118934

ABSTRACT:
The present invention relates to a novel visual acuity chart for testing operators of computers and other apparatus employing cathode ray tube monitors for potential vision problems.

REFERENCES:
patent: 1747844 (1930-02-01), Ritholz
patent: 3844641 (1974-10-01), Nowak

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