Collagen modulators for use in photoablation excimer laser keratectomy
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United States of America Patent
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Feb 20, 1996
Grant Date -
N/A
app pub date -
Sep 9, 1992
filing date -
Sep 9, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of smoothing irregular corneal surfaces and removing protuberances from corneal surfaces by photoablative excimer laser keratectomy is provided. Collagen compositions for use in making collagen modulators useful in photoablative procedures are described. These compositions are applied to irregular corneal surfaces in sufficient amounts to at least fill in depressions or other irregularities on a corneal surface and are converted into a modulator, as a gel or polymerized film, prior to photoablation. The collagen modulators facilitate the photoablative smoothing of irregular corneal surfaces and protect adjacent corneal tissue from undesired photoablation.
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