Procedure and device for corrective and therapeutic eye treatment
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United States of America Patent
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Nov 10, 1998
Issued Date -
N/A
app pub date -
Sep 13, 1996
filing date -
Sep 12, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device and method for the selective removal of corneal tissue, and change of curvature thereof, for refractive vision correction, and for removal of corneal tissue for therapeutic treatment of the cornea; by means of a deforming template in conjunction with a water jet keratome. The template is adapted to deform the cornea to provide a regular surface which can be transversely cut by the water jet, while the cornea is supported against movement. The water jet can be adjusted to cleanly separate defective epithelium tissue from the Bowman's layer. Use of the water jet keratome provides a cut corneal tissue surface of smoothness and polish, substantially equivalent to that of the original surface, thereby enhancing healing and transplantation effectiveness.
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