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Multifocal contact lens with aspheric surface

  • US 20020036748A1
  • Filed: 06/14/2001
  • Published: 03/28/2002
  • Est. Priority Date: 12/16/1998
  • Status: Active Grant
First Claim
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1. A contact lens comprising:

  • a front surface, a back surface and an apex, the lens defining a series of adjacent points at a fixed distance from the apex, the series of adjacent points on the lens having a continuously varying power, the series of adjacent points extending across an arc of at least 120°

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