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Multifocal polarized sunglasses and lenses

DC
  • US 7,093,935 B2
  • Filed: 09/01/2004
  • Issued: 08/22/2006
  • Est. Priority Date: 09/01/2004
  • Status: Active Grant
First 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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