Abstract: A biocompatible corneal inlay ring apparatus for altering the curvature of the central optic zone of the cornea of the eye without intrusion into this optic zone, comprising a continuous ring of a fixed diameter greater than that of the optic zone, of a thickness and geometry such that the curvature of the central optic zone is flattened to an extent appropriate to the refractive correction desired, and of a composition having a refractive index within about 2.0% of that of the corneal tissue.

Abstract: A low or high refractive index corneal inlay optical lens adapted to be inserted singly or multiply between the layers of a cornea to correct refractive errors in eyesight, wherein the implanted lens is a solid transparent uncoated lens having no apertures therethrough, of a diameter less than that of the optic zone of the eye under normal light or bright light conditions, such that the movement of fluids, nutrients and gases throughout the corneal layers is unimpeded, and wherein the composition of the lens or lenses relative to that of the surrounding stromal tissue are such that multiple refractive indices may be created and multiple focal corrections are possible.

Abstract: The invention provides laser-staked intraocular lenses and a method for producing these lenses. The invention method uses a apertureless Nd YAG laser for staking PMMA fixation members onto PMMA lens optic bodies. The resultant laser-staked lenses are free of heat-induced optical deformities and mechanical blemishes and have a strong bond at the junction between the optic body and the fixation member without gaps for the potential accumulation of bio-burden.