Application of blend zones, depth reduction, and transition zones to ablation shapes
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United States of America Patent
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Jul 10, 2012
Grant Date -
Sep 18, 2003
app pub date -
Mar 14, 2002
filing date -
Mar 14, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
Methods, devices, and systems for reprofiling a surface of a cornea of an eye ablate a portion of the cornea to create an ablation zone with an optically correct central optical zone disposed in a central portion of the cornea, and a blend zone disposed peripherally to the central optical zone and at least partially within an optical zone of the eye. The blend zone can have an optical power that gradually diminishes with increasing radius from the central optical zone.
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