Abstract: A method for locating on a cornea an artificial lens fabricated from a collagen-hydrogel for promoting epithelial cell growth and regeneration of the stroma is shown. The method provides for affixing an artificial lens to the Bowman's membrane and the lens, during the healing process, promotes and supports epithelial cell growth enabling corneal epithelium of the cornea of an eye to attach to and cover the anterior surface of the lens implanting the same and to regenerate the stroma which grows over the edge of and attaches to the optical lens. Laid down in the layers of the regenerated stroma are new keratocytes and collagen fibial produced from keratocytes. The collagen-hydrogel is a hydrogel polymer formed by the free radical polymerization of a hydrophilic monomer solution gelled and crosslinked in the presence of an aqueous stock solution of collagen to form a three dimensional polymeric meshwork for anchoring collagen.

Abstract: A method for locating on the cornea an optical lens having a preselected geometric shape and power wherein the optical lens is formed of a collagen-hydrogel for promoting epithelial cell growth is shown. The method comprises the steps of: removing from Bowman's membrane over the area of the pupillary zone of the eye a portion of the corneal epithelium; forming on Bowman's membrane a "V" shaped annular groove having a diameter substantially equal to the maximum geometrical dimensions of the optical lens and a preselected depth; dissecting the peripheral edge of the groove forming a wing of corneal tissue having a preselected length; placing the posterior surface of the optical lens on the anterior surface of Bowman's membrane and positioning the outer edge of the optical lens under the corneal wing, and affixing the optical lens to Bowman's membrane over the pupillary zone of the eye to maintain the same on the cornea with the corneal wing overlying the edge of the optical lens.

Abstract: An optical lens having a transparent lens body for a human eye or mammalian eye is shown. The transparent lens body has an anterior surface and a posterior surface and has formed in the central area thereof at least one stenopaeic opening which is substantially perpendicular to the anterior surface and posterior surface of the lens body. The at least one stenopaeic opening has a dimension "d" which is selected to be a geometrical dimension such that an image of an object located in front of the lens, when the lens is implanted in, or placed upon, the eye, is projected through the lens generally along a predetermined light transmitting path defining the visual axis of an eye and onto the fovea centralis of the eye which is located in back of the lens.

Abstract: An intraocular lens for an eye including a lens body having a first sector end and a second sector end which is adapted to be positioned in relationship to the pupil such as in front of or behind the pupil and two sets of resilient support means wherein each of the resilient support means has one end secured to the lens body around the periphery of the lens within the first sector or the second sector and the other ends of the resilient support means which terminate at an annular shaped guide and support element and wherein each of the resilient support means is secured in the periphery of the lens portion in the first sector end or the second sector end in opposed alignment to each other and positioned at a selected diverging angle relative to the other resilient support means in that sector and wherein the resilient support means extend outwardly from the lens body and in substantially the plane of the lens portion enabling the annular shaped guide and support elements to slideably engage tissue in at least

Abstract: A method and apparatus for performing dynamic keratometry and keratoscopy. The apparatus projects a substantially circumferentially continuous circle of light onto a cornea and the reflection from the cornea is observable in an unrefracted state through a central opening in the apparatus. Systematically varying the distance of the apparatus from the cornea does not significantly affect the sharpness of the unrefracted reflected image, affecting only its diameter so that the circle of light can be caused to pass over the entire cornea for dynamic examination of its curvature. A particular application of the apparatus is in evaluating the effects of surgery upon corneal curvature both during and after surgery. The method of the invention involves movement of a circle of light across all regions of the cornea from the center to the corneal periphery to determine curvature of the entire cornea.

Abstract: An artificial lens and method of locating the lens on the cornea. The optical portion is adapted for location on the central anterior corneal surface and is dimensioned to overlie substantially less than the total surface area of the cornea. The haptic portion is adapted for fixation to the cornea or an adjacent portion of the eyeball. In a preferred embodiment the haptic portion comprises a pair of ribbons or tabs superiorly and inferiorly attached to the cornea periphery. The lens moves with the cornea and is small enough that satisfactory corneal oxygenation is obtained. Various embodiments of the lens enable various types of attachment to the eyeball.