Stereo view reflection corneal topography
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United States of America Patent
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Aug 19, 2003
Grant Date -
Apr 18, 2002
app pub date -
Oct 18, 2001
filing date -
Oct 18, 2000
priority date (Note) -
Expired
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Abstract
A stereo target corneal topography apparatus and method that uses two differently angled views of a target pattern reflected from a cornea to measure the shape of a cornea using a stereo reconstruction module to reconstruct the shape of a surface of a cornea. The surface elevation, surface slope and/or surface power may be determined without the need to make an initial assumption about the shape of the cornea.
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