Method for controlled corneal ablation
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United States of America Patent
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-
Jul 28, 1992
Issued Date -
N/A
app pub date -
Jun 19, 1989
filing date -
Jan 14, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for effecting controlled refractive correction of the cornea comprising a contact lens whose concave surface is wetted with an inert ultraviolet absorbent liquid. An excimer laser feeds a cylindrical bundle of quartz fibers terminating angularly in a decollimating matrix at the contact lens in such manner as to attenuate the ultraviolet flux in said liquid proportional to the depth thereof at the cornea so as to effect greatest corneal ablation at the thinnest depth of the liquid.
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