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Corneal implant and method of manufacture

  • US 6,607,556 B1
  • Filed: 09/06/2000
  • Issued: 08/19/2003
  • Est. Priority Date: 12/23/1998
  • Status: Expired due to Term
First Claim
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1. A corneal implant, comprising:

  • a) a body formed of an optically clear, biocompatible material having inner and outer surfaces and an index of refraction in the range of 1.36 to 1.39;

    b) the body being solid and formed with a central power add on the outer surface for increasing the diopter power of the body in the central portion for correcting presbyopia, the central power add having a diameter between about 1 mm to about 3.5 mm;

    c) the central power add having a relatively steep transition from the outer surface of the body for providing a relatively sharp change of power from the central power add to the body.

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