Sunglass lens

Details Sunglass lens Sunglass lens

1990-09-12

1992-08-04

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351166, G02C 710, G02C 712

Patent

active

051352982

ABSTRACT:
A combination lens (10) for sunglasses is disclosed which uses a pair of superposed lenses (12 and 14) which are laminated together with a polarized light filtering film (26) in between said lenses. Polarized light filtering film (26) has had light absorbing dye and ultraviolet radiation inhibitors integrated into the film material. Front, or anterior lens (12) is a photochromic glass plate with a metallic light reflective coating (18) applied to the inner laminated surface (16) of anterior lens (12). Rear, or posterior lens (14) has an anti-reflective filter (22) applied to the outer non-laminated surface (24) of posterior lens (14).

REFERENCES:
patent: 3208860 (1965-09-01), Armistead et al.
patent: 3621838 (1971-11-01), Harding et al.
patent: 4261656 (1981-04-01), Wu
patent: 4679918 (1987-07-01), Ace
patent: 4902081 (1990-02-01), Huffer
patent: 4943140 (1990-07-01), Woodard et al.

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