Posterior chamber intraocular lens

Claim 1

A posterior chamber intraocular lens comprising: (a) an optic; (b) support means for engaging an eye structure posterior of the iris to support said optic from said eye structure and retain said optic in alignment with the anterior-posterior axis of the eye, said support means including radially extensive support structure connected to said optic; and (c) retaining means for engaging the anterior surface of the iris to impede posterior dislocation of said optic, said retaining means including a plurality of radially extensive retaining elements each of which is connected to said optic, said retaining elements being disposed at circularly spaced locations about the axis of said optic and anteriorly of said support structure, each of said retaining elements including an elongated filament one end of such filament being embedded in said optic with the other end constituting a tip of the retaining element defined by a bight in the filament included in such element, each of said retaining elements being formed solely from one of said filaments in the shape of a J with the base of such J being remote from said optic, the non-embedded ends of said J-shaped filaments being devoid of sharp edges, the diameter across said retaining elements being such that the tips of said retaining elements are adapted to extend to the periphery of the normal human iris and engage the wall of the eyeball.