Patent ID: 7264352

Claim:
Spectacles for reducing glare from headlights of oncoming traffic while providing a wearer of the spectacles with a clear view of a road ahead while driving at night, the spectacles comprising: (a) a wearable frame operable for supporting left and right lenses; (b) left and right lenses affixed to said frame, said left and right lenses having a lens plane and an optical center, and wherein an imaginary line connecting said optical centers of said lenses defines an x-axis and an imaginary line passing through said optical center perpendicular to said horizontal line in said lens plane defines a y-axis, said x-axis and said y-axis collectively defining a polar coordinate system, and wherein an imaginary chord drawn on the lens between 225° and 15° partitions said lens into a smaller masked portion and a larger transparent portion; (c) a masking material affixed directly to said masked portion of said lenses, said masking material being coextensive with said masked portion and having an optical transmissivity between zero and about 10%.