Method of evaluating a laser used in ophthalmological surgery
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United States of America Patent
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Oct 24, 1995
Issued Date -
N/A
app pub date -
Jun 30, 1994
filing date -
May 3, 1993
priority date (Note) -
Expired
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Abstract
A method of using rastophotogrammetry and Placido-disc videokeratoscopy in ophthalmological surgery to calibrate a surgical laser wherein the effect of laser ablation on various substrates is measured by performing rastophotogrammetry or Placido-disc videokeratoscopy on the substrate before and after laser ablation to determine whether there is a uniform ablation and no unwanted effects created by the laser. The substrate can be calibration block, an intraoccular lens implant, a contact lens, an artificial cornea, or cornea.
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