Sunglass method and apparatus

Details Sunglass method and apparatus Sunglass method and apparatus

1977-08-01

1978-09-12

Sacher, Paul A.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 84, 351178, G02C 712, G02C 100, G03B 100

Patent

active

041133641

ABSTRACT:
A variable density polarizing attachment for spectacles having polarizing lenses therein is provided along with a method of making variable density polarizing spectacles. A pair of polarizing lenses are attached to standard spectacles or eyeglasses already having polarizing lenses therein utilizing posts attached to the lenses. The posts are grooved to rotatably hold a polarizing lens adjacent an existing polarizing lens on a pair of spectacles so that existing spectacles can be converted to variable density polarizing spectacles.

REFERENCES:
patent: 2574839 (1951-11-01), Pelzer
patent: 3884561 (1975-05-01), Kodys

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