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Method and apparatus for modifications of visual acuity by thermal means

  • US 5,634,921 A
  • Filed: 06/08/1995
  • Issued: 06/03/1997
  • Est. Priority Date: 08/23/1993
  • Status: Expired due to Term
First Claim
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1. A thermokeratoplastic probe system for reshaping a cornea, comprising:

  • a handle;

    a tip that extends from said handle, said tip having a sharp point that can be inserted into the cornea;

    a power supply connected to said tip, said power supply provides a pulse of current at a power no greater than 1.2 watts and for a time duration no greater than 1.0 seconds, such that the current flows into the cornea through said inserted tip to denature the cornea; and

    ,a stop that is attached to said tip and which limits the insertion of said tip into the cornea.

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