Lens for filtering visible and ultraviolet electromagnetic waves

Details Lens for filtering visible and ultraviolet electromagnetic waves Lens for filtering visible and ultraviolet electromagnetic waves

1991-07-01

1993-01-26

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

433226, G02C 710, A61C 500

Patent

active

051825880

ABSTRACT:
Lenses coated with a UV light absorbing coating and a blue light absorbing coating protect the eyes of a dental practitioner from harmful radiation emitted by a light source used during dental curing procedures. The lenses include a clear portion which allows the wearer to view the treated area without a loss of contrast encountered when the treated area is viewed through the portion of the lenses provided with the blue light absorbing coating.

REFERENCES:
patent: 1257667 (1918-02-01), Barr
patent: 1865715 (1932-07-01), Tillyer
patent: 2334446 (1943-11-01), Serrell
patent: 2964427 (1960-12-01), Rheinberger et al.
patent: 3588216 (1971-06-01), Bloom
patent: 3628854 (1971-12-01), Jampolsky
patent: 3826564 (1974-07-01), Werling, Sr.
patent: 4320939 (1982-03-01), Mueller
patent: 4758079 (1988-07-01), Bledsoe
Clinical Research Associates, vol. 8, Issue 2, Feb. 1984.
Clinical Research Associates, vol. 9, Issue 1, Jan. 1985.

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