Method and apparatus for illuminating and imaging eyes through eyeglasses using multiple sources of illumination
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Apr 17, 2000
filing date -
Dec 1, 1997
priority date (Note) -
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Abstract
A reliable method of illuminating and imaging an eye through eyeglasses uses a carefully selected subset of multiple monochromatic light sources, a camera with an imager that exhibits minimal blooming, and a narrow-bandwidth optical bandpass filter to filter out most of the ambient illumination while passing most of the light from the system's own illuminator.
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