Segmented pre-formed intrastromal corneal insert
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United States of America Patent
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Jan 21, 2003
Issued Date -
N/A
app pub date -
Oct 19, 1998
filing date -
Aug 2, 1993
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Abstract
This invention is a pre-formed intrastromal corneal insert. It is made of a physiologically compatible polymer and may be used to adjust corneal curvature and thereby correct vision abnormalities. The insert or segment may also be used to deliver therapeutic or diagnostic agents to the interior of the cornea or of the eye. The insert subtends only a portion of a ring, or 'arc', encircling the anterior cornea outside of the cornea's field of view. The invention also includes a procedure for inserting the device into the cornea.
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