PERFORMANCE AND ACCURACY ASSESSMENT SYSTEM FOR REFRACTIVE LASER SYSTEMS AND ASSOCIATED METHODS
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Dec 19, 2006
filing date -
Dec 19, 2006
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Abstract
A method for assessing a performance of a laser system for use in corneal ablation is provided that includes directing a beam of laser shots onto a fluorescent indicator. The indicator is adapted to emit a first wavelength of light different from a second wavelength of light impinging thereon. The directing step is performed in a plane of a cornea of an eye desired to be ablated and also onto a cornea positioned at the corneal plane. Light reflected from the indicator is detected, and a difference between a detected light pattern from the camera and a predetermined ablation pattern desired to be made on the cornea is calculated. The predetermined pattern is then corrected to compensate for the calculated difference.
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