Multifocal ophthalmic lens

  • US 5,877,839 A
  • Filed: 03/05/1997
  • Issued: 03/02/1999
  • Est. Priority Date: 06/01/1987
  • Status: Expired due to Fees
First Claim
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1. A method of vision correction comprising shaping first, second and third regions of a surface to provide the first region with a first vision correction power, the second region with a second vision correction power which is different from the first vision correction power to enhance vision at first and second different distances, respectively, and the third region between said first and second regions to provide progressive vision correction powers which include progressive vision correction powers which are between the first and second vision correction powers.

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