Intraocular lenses

An intraocular insert suitable for use as an artificial lens implant in the anterior chamber of a human eye, said anterior chamber having a groove between the scleral spur and the iris of the eye circumferentially and at upper and lower portions of the eye when viewed in cross section, said insert having a medial light focusing lens body having a periphery and generally oppositely disposed first and second position fixation means engageable with said respective upper and lower groove portions to fix the position of the lens body with respect to the pupil of the eye, said upper and lower groove portions having respective interior peripheral surfaces, said first and second position fixation means being integrally joined to predetermined first and second peripheral portions respectively of said lens body and respectively extending generally radially outwardly of said lens body, said first and second position fixation means respectively having first and second outer seating edges, each said outer seating edge respectively having a pair of spaced contact portions for paired contact with a respective one of said interior peripheral surfaces of said groove and a concave portion between said pair of contact portions that is normally free from contact with said respective ones of said interior peripheral surfaces of said groove, at least one of the position fixation means having a first stem portion integrally joined to and extending from one of said peripheral portions of said lens body, and a first limb portion joined to and extending from said first stem portion and including at least one free end having one of said contact portions, said first limb portion having a first radially outermost peripheral edge that defines one of said outer seating edges and a first inner edge free from connection with said lens body from said first stem to said one of said contact portions, at least one of said first stem portion and said first limb portion being of a first predetermined width and thickness to permit movement of said one of said contact portions toward and away from said lens body in response to normal distortions of the eye.