Intraocular lens having extended depth of focus
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United States of America Patent
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Jun 3, 2014
Grant Date -
Sep 17, 2009
app pub date -
May 13, 2008
filing date -
Aug 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An ophthalmic lens for providing enhanced or extended depth of focus includes an optic having an aperture disposed about an optical axis. The optic includes a first surface having a first shape and an opposing second surface having a second shape, the first and second surfaces providing, a base power and, in some embodiments an add power. The optic further includes an extended focus mask disposed upon at least one of the first shape and the second shape that is configured to provide the enhanced or extended depth of focus for one or more foci of the optic, as compared to a similar optic not having the extended focus mask.
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