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System, apparatus, and method for correcting vision using an electro-active lens

  • US 7,475,985 B2
  • Filed: 07/24/2006
  • Issued: 01/13/2009
  • Est. Priority Date: 07/02/1999
  • Status: Expired due to Fees
First Claim
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1. An ophthalmic lens for a user, comprising:

  • a first region comprising a far distance focus zone;

    a second region comprising a progressive addition focus zone to contribute a first add power to the lens; and

    a third separate region comprising a non-progressive optical power zone to contribute a second add power to the lens,wherein the third separate region is in optical communication with a start of the progressive addition focus zone and a portion of a full near add power area of the progressive addition focus zone.

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