Methods for designing multifocal ophthalmic lenses
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United States of America Patent
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Feb 18, 2003
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N/A
app pub date -
Aug 14, 2001
filing date -
Aug 14, 2001
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Abstract
The invention provides methods for designing lenses useful for correcting presbyopia, lenses incorporating such designs and methods for producing these lenses. The lenses of the invention exhibit a better distribution of the distance and near vision powers within the multifocal zone and, thus, improved visual acuity and wearer satisfaction.
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