INTRAOCULAR LENSES FOR MANAGING GLARE, ADHESION, AND CELL MIGRATION
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United States of America Patent
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Mar 21, 2017
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Sep 21, 2006
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Abstract
An intraocular lens for providing vision to a subject contains an optic, a support structure coupled to the optic. The intraocular lens also includes a textured surface and/or subsurface layer. The optic is disposed about an optical axis and comprises an anterior surface and an opposing posterior surface, the surfaces being configured to focus light when implanted within an eye having a capsular bag. The textured surface is disposed over a surface portion of the intraocular lens and includes a plurality of periodically-spaced protrusions, each protrusion having a smooth distal face and a sharp corner edge configured to engage a wall of the capsular bag and/or at least one cell disposed along the wall. The subsurface layer is configured to scatter an amount of light that is at least twice the amount of light scattered by portions of the material adjacent the subsurface layer or at least twice the amount of light scattered by another intraocular lens that does not have the subsurface layer, but which is otherwise substantially equivalent.
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