Invention Grant
US08740978B2 Intraocular lens having extended depth of focus 有权
具有延长的焦点深度的人工晶状体

Intraocular lens having extended depth of focus
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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