Prediction of visual acuity from wavefront aberrations
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United States of America Patent
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Apr 2, 2013
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app pub date -
Apr 22, 2009
filing date -
Apr 22, 2009
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Abstract
A method for generating a visual acuity metric, based on wavefront aberrations (WFAs), associated with a test subject and representing classes of imperfections, such as defocus, astigmatism, coma and spherical aberrations, of the subject's visual system. The metric allows choices of different image template, can predict acuity for different target probabilities, can incorporate different and possibly subject-specific neural transfer functions, can predict acuity for different subject templates, and incorporates a model of the optotype identification task.
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