Anti-glare spectacles

Details Anti-glare spectacles Anti-glare spectacles

1980-07-14

1982-07-06

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 44, G02C 710, G02C 716

Patent

active

043380034

ABSTRACT:
In anti-glare spectacles comprising a frame and a pair of lenses, each lens comprises a substantially circular central zone of substantially complete transparency and an adjoining light-absorbing annular zone over an angular range of substantially 45.degree. in which the light absorption increases sharply from the inside of the annulus and drops towards the outside of the annulus by the square of the angle. An outer zone of each lens has a low absorption.

REFERENCES:
patent: 1637406 (1927-04-01), Brumder
patent: 3512880 (1970-05-01), Alexander et al.

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