Multifocal polarized sunglasses and lenses
DCFirst Claim
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1. A method of making a sunglasses lens, comprising:
- providing a bifocal segment;
molding an outer lens layer around the bifocal segment;
combining the outer lens layer with an inner lens layer and a polarizing layer to form a sunglasses lens blank, wherein the combined thickness of the outer lens layer, the inner lens layer, and the polarizing layer is less than 5 millimeters without grinding of any of the layers; and
edging the sunglasses lens blank to fit within a sunglasses frame.
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Abstract
Polarized sunglasses and lenses, and methods related thereto, are provided that include multifocal segments and which have a total thickness of less than about 5 millimeters.
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Citations
15 Claims
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1. A method of making a sunglasses lens, comprising:
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providing a bifocal segment; molding an outer lens layer around the bifocal segment; combining the outer lens layer with an inner lens layer and a polarizing layer to form a sunglasses lens blank, wherein the combined thickness of the outer lens layer, the inner lens layer, and the polarizing layer is less than 5 millimeters without grinding of any of the layers; and edging the sunglasses lens blank to fit within a sunglasses frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A process for making sunglasses, comprising:
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providing a pair of polarized lens blanks, wherein each of the polarized lens blanks includes a bifocal segment, and wherein each of the polarized lens blanks has a thickness of less than 5 millimeters without grinding; providing a sunglasses frame; edging the polarized lens blanks to fit within the sunglasses frame; and setting the edged polarized lens blanks in the sunglasses frame. - View Dependent Claims (12, 13, 14, 15)
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Specification