Device for photorefractive cornea surgery in higher-order visual disorders
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United States of America Patent
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Mar 11, 2003
Grant Date -
N/A
app pub date -
Sep 28, 2000
filing date -
Feb 5, 1999
priority date (Note) -
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Abstract
A device for photorefractive cornea surgery, in particular LASIK and PRK, of the eye for the correction of sight defects of a higher order provides for the following devices: an aberroscope (12, 14, 16, 22, 24, 28) for measuring the wave-front aberration of the entire optical system of the eye to be corrected in relation to a specific eye position, means (48) for deriving a photoablation profile from the measured wave-front aberration in such a way that a photoablation in accordance with the photoablation profile minimises the wave-front aberration, and a laser radiation source (30) and means (32, 38, 40, 48) for controlling the laser radiation in relation to the specific eye position in accordance with the photoablation profile.
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