Polarized lens and method of making the same

Details Polarized lens and method of making the same Polarized lens and method of making the same

1987-04-27

1989-06-13

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

351 49, 51248, G02C 710, G02C 714, B24B 1900

Patent

active

048386731

ABSTRACT:
A sunglass lens has two mounds of ground mineral glass laminated together with a polarization film to form a single lens having inner and outer surfaces. The inner surface is provided with an anti-reflectant coating and the outer surface is provided with a bigradient coating. A process for making the lens is also disclosed in which bigradient material is vaporized in a vacuum coating machine.

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patent: 4452516 (1984-06-01), Munoz

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