METHOD AND APPARATUS OF MEASURING OPTICAL PARAMETERS OF A PERSON USING A LIGHT FIELD
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United States of America Patent
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Issued Date -
Jan 13, 2011
app pub date -
Nov 18, 2008
filing date -
Jan 10, 2008
priority date (Note) -
Abandoned
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Abstract
A method and apparatus provided to measure optical parameters of a person wearing spectacles. One or more fixation targets are provided to generate a flat extensive light field that can align the direction of sight of the person when the person looks at the light filed. Image recording devices are provided to generate image data of subareas of the person's head and a data processing unit can determine the optical parameters based on the generated image data.
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