Glasses for reducing eye strain during viewing of a CRT screen

Details Glasses for reducing eye strain during viewing of a CRT screen Glasses for reducing eye strain during viewing of a CRT screen

1993-04-14

1995-01-10

Sikes, William L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With auxiliary lenses movable in and out of the optical path

351175, G02C 708

Patent

active

053811917

ABSTRACT:
A pair of glasses for use by an individual viewing a CRT screen for easing eye strain includes a pair of lenses, each of the lenses includes a prism disposed within the thickness of the lens for refracting light from an object to a user's eye for moving the light to avoid normal convergence of the individual's eyes for reducing eye strain as an individual views a CRT screen. Frames are provided for securing the pair of lenses in an operative position relative to a user's eyes.

REFERENCES:
patent: 1905675 (1933-04-01), Baker
patent: 2594698 (1952-04-01), Thomas
patent: 4152051 (1979-05-01), Van Tiem et al.
patent: 4781451 (1988-11-01), McAllen
patent: 4892384 (1990-01-01), Okamoto
patent: 4961639 (1990-10-01), Lazarus
patent: 5076665 (1991-12-01), Petersen
patent: 5204702 (1993-04-01), Shapiro

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