Surgical correction of human eye refractive errors by active composite artificial muscle implants.U.S. patent: 7,090,696 Issued: August 15, 2006 Inventors: Mohsen Shahinpoor, Parsa Shahinpoor and David Soltanpour Assigned: Environmental Robots Key statement: Correction of eye refractive errors like presbyopia Presbyopia Definition The term presbyopia means "old eye" and is a vision condition involving the loss of the eye's ability to focus on close objects. , hyperopia, myopia and astigmatism astigmatism (əstĭg`mətĭz'əm), type of faulty vision caused by a nonuniform curvature in the refractive surfaces—usually the cornea, less frequently the lens—of the eye. using either pre-tensioned or transcutaneously energized artificial muscle implants. The implants are scleral scleral pertaining to sclera. scleral annulus a thickened roll of sclera at the junction with the cornea. scleral ectasia see sclerectasia. constrictor con·stric·tor n. One that constricts, especially a muscle that contracts or compresses a part or organ of the body. bands, segments or ribs for inducing accommodation of a few diopters, to correct refractive errors. |
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