Multifocal lens supply system for providing to a wearer a customized progressive spectacle ophthalmic lens
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United States of America Patent
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Feb 26, 2019
Grant Date -
Oct 19, 2017
app pub date -
Sep 28, 2015
filing date -
Sep 30, 2014
priority date (Note) -
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Abstract
A multifocal lens supply system including a multifocal lens ordering computing unit and a multifocal lens determination computing unit, for providing to a wearer a customized progressive spectacle ophthalmic lens having a customized addition Addc, wherein Addc=Addp+corr, wherein corr is a corrective value which is the output of a function where the input is at least an individual wearer parameter value and at least an output value over the input range is different from nil, and wherein Addp is a prescribed addition.
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