System and method for performing tear film structure measurement
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United States of America Patent
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Dec 5, 2017
Grant Date -
Nov 23, 2017
app pub date -
Aug 8, 2017
filing date -
Mar 6, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Apparatus and methods are described for performing structure measurement on a tear film of an eye of a subject. At least a portion of a surface of the tear film is illuminated using a broadband light source. A spectrum of light of the broadband light that is reflected from at least one point of the tear film is measured, using a spectrometer. Color information for a plurality of points of the tear film is obtained, by imaging a field of view of the tear film using a color camera. Using a processing unit, data from the color camera and data from the spectrometer that are indicative of characteristics of the tear film are received, and based upon a combination of the data received from the color camera and the data received from the spectrometer, an output is generated that is indicative of a structure of the tear film.
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