Method and device for determining at least one customized adjustment parameter of a lens carried by a spectacles frame facing the eye of a wearer
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United States of America Patent
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Dec 27, 2016
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N/A
app pub date -
May 16, 2012
filing date -
May 23, 2011
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Abstract
A method for evaluating at least one individualized fitting parameter for a lens mounted in a spectacle frame. The method includes the following steps: (a) evaluating a postural parameter of the wearer of the spectacle frame in a vision posture, the postural parameter being selected from a plurality of preset postural parameters; (b) evaluating a second pantoscopic angle formed between, on the one hand, the projection of the temple of the frame onto the sagittal plane of the wearer, and on the other hand, the trace, on the same plane, of the front side of the frame; and (c) evaluating the first pantoscopic angle as a function of, on the one hand, the second pantoscopic angle evaluated in step (b), and on the other hand, the postural parameter of the wearer evaluated in step (a).
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