Apparatus for modifying the surface of the eye through large beam laser polishing and method of controlling the apparatus
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United States of America Patent
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Nov 4, 1997
Grant Date -
N/A
app pub date -
Nov 16, 1994
filing date -
Oct 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for removing tissue from the eye performs various types of corrections using a relatively large beam, but oscillated or dithered to prevent the formation of ridges during the removal process. Various types of corrections are contemplated such as hyperopic and astigmatic using a large beam which is scanned over the area to be ablated using overlapping shots which are between 10% and 90% of the area of the total area to be ablated.
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