Intraocular lens assembly with improved mounting to the iris
AssigneeIolab Corporation
InventorDavid A. Richard
Life of this patent
Estimating the term…
Abstract
An artificial intraocular lens assembly adapted for placement within the anterior or posterior chamber of the eye and for permanent attachment to the iris through natural ingrowth of living tissue, is disclosed. The lens assembly comprises a light refracting lens body and at least one lens support member which includes a portion having a surface contoured for intimate contact with the iris. A plurality of apertures are provided in the portion of the lens support member. After initial surgical affixation of the lens assembly within the eye, tissue of the iris grows into and through the apertures thereby anchoring the lens assembly within the eye.
Claims7
An intraocular lens assembly adapted for implantation into a living eye, the lens assembly comprising:
- a light refracting lens body, and,
- a plurality of flexible strands extending substantially laterally from the lens body, each strand having a curved portion and forming a loop;
- the curved portion of said strand spaced furthest apart from said lens body including a flat portion, said flat portion including a number of pores therethrough and adapted for intimate contact with the supporting structure of the eye, the pores being adapted to receive an ingrowth of tissue of the supporting structure of the eye, whereby after a surgical implantation of the lens and the attachment of the lens assembly to the supporting structure of the eye, a further fixation of the lens assembly to the supporting structure of the eye occurs through ingrowth of tissue into the pores.
In a posterior chamber artificial intraocular lens assembly adapted for implantation in the posterior chamber of the human eye as a replacement for the natural lens of the eye, the lens assembly having a light refracting lens body and at least one thin, elastic, flexible haptic strand extending laterally from the lens body and adapted for fixation to the base of the iris of the eye, the improvement comprising:
- at least a portion of said strand having a flattened surface contoured for disposition in intimate contact with the base of the iris, the flattened surface portion having a plurality of apertures placed therethrough at approximately the outer extremity of said strand for additionally anchoring said strand to the iris to facilitate a growth of tissue into and through the apertures.
Dependencies are inferred from the claim text.