Thinoptx, Inc.

Other

Cilco, Inc.

Anew Iol Technologies, Inc.

Wayne B Callahan

Jeffery Scott Callahan

Jeffrey S Callahan

J Scott Callahan

Harold O Koch

Robert E Kellan

Timothy B Cowen

Philip R Palin

Paul S Koch

Anna S Hayes

Joseph D Callahan

James R Cook

James E Burnes

Described is an accommodating intraocular lens with a bi-convex, bi-aspheric, smooth surfaced optic held inside an anterior annulus via tabs. A second larger diameter annulus is positioned posteriorly and connects via a sloped surface to where the annuluses are at a maximum separation when viewing NEAR objects and minimum separation in the FAR position. The sloped surface is cut into ribbons, tabs and/or other annuluses without pushing the surfaces into the capsule when implanted; therefore, only the anterior and posterior annuluses have a force component against the capsule. The proximal edge of the anterior annulus is anterior to the apex of the anterior surface of the optic. The anterior capsule resting on the annulus leaves space for hydration of the capsule and reduces potential warpage of the optic. The annulus edge is designed to scrape posterior capsular opacification from the capsule.

Accommodative intraocular lens that ejects post capsular opacification and self-centers

The inventive is directed to a haptic for fixation to, and manufacture in conjunction with, an intraocular lens to be implanted in the natural lens capsule of the human eye. The haptic secures the lens in an appropriate position within the natural capsule so as to provide optimal visual acuity through the aphakic lens. The haptic ends are designed to position the lens neutrally, anteriorly or posteriorly within the lens envelope. At the connection point of the ribbon portion to the solid end plate of the haptic, the haptic may be notched to facilitate compressing the lens into its injector for insertion into the eye through an incision in the cornea. Once compressed and passed through the cornea, the implanted lens will be secured by the haptics in the lens capsule once all possible natural lens material and epithelial cells have been removed.

Haptic devices for intraocular lens

A deformable, artificial intraocular contact lens for implantation into the human eye to correct normal-vision problems. The lens may be positioned posteriorly from the iris, resting against the anterior surface of the posterior capsule's natural lens. Alternatively, the lens may be positioned in the anterior chamber of the eye. The implanted lens works in conjunction with the cornea and natural lens to provide proper vision, as a substitute for regular contact lens, spectacles, and radial keratotomy. The lens may be designed from a rigid or semi-rigid material. Due to the thinness of the structure, the lens may be rolled and inserted into the eye, minimizing both the length of the corneal incision and the stretching of the cornea.

Deformable intraocular corrective lens

This patent represents a deformable artificial intraocular lens and method for implantation into the human eye. The lens is used for implantation after cataract surgery. The lens optic consists of one smooth optical surface. The second optical surface is a series of annular concentric rings. The extremely thin lens optic along with the thin haptic can be rolled, folded, or squeezed to pass through a small incision (<1.5 millimeters) in the cornea or sclera of the human eye. The method of correcting a loss of accommodation includes removing the natural crystalline lens from the eye and inserting an intraocular lens in the eye. This lens represents a breakthrough in removal of mass from the lens. After insertion into the eye, the ultra thin lens and haptic design allows the lens to move in the eye providing accommodation for the patient.

Method of using a small incision lens

This patent represents a deformable artificial intraocular lens for implantation into the human eye. The lens is used for implantation after cataract surgery. The lens optic consists of one smooth optical surface. The second optical surface is a series of annular concentric rings. The rings allow the lens to have extremely thin edges, which reduce glare, halos, and distortion. The extremely thin lens optic along with the thin haptic can be rolled, folded, or squeezed to pass through a small incision (<1.5 millimeters) in the cornea or sclera of the human eye. This lens represents a breakthrough in removal of mass from the lens. The ultra thin lens and haptic design allows the lens to move in the eye providing accommodation for the patient. The lens and haptic design reduces the radial forces on the eye to the point where the naturally occurring pressures in the eye move the lens thus providing accommodation. In all current lens designs the haptics apply enough radial force to prevent the natural forces in the eye from moving the lens. The ultra thin lens and haptic design allows the lens to move in the eye providing accommodation for the patient.

Small incision lens

An intraocular corrective lens, comprising an optical portion having a normal shape constructed of a material which is biologically compatible with the natural lens of the eye and for positioning anterior thereof, or in replacement thereof; said optical portion also having an anterior convex lenticular surface and a posterior surface, wherein said posterior surface comprises a central disk which is radially surrounded by a series of annular rings, said central disk and said series of annular rings forming a series of radial steps along said posterior surface; wherein said posterior surface and said anterior lenticular surface have a minimum separation of 0.025 mm and a maximum separation of 0.1 mm; the central disk being of one diopter power and at least one annular ring is of a second diopter power; and at least one anchor attached to said optical portion for anchoring said optical portion anteriorly to the natural lens of the eye.

Deformable intraocular multi-focus lens

A lens case for a refractive or non-refractive intraocular lens having a support disk for the optic. The case is designed to provide protection and support during washing, sterilization, shipping, and storage. This case has a removable disk that provides a work surface for surgery. Additional features assist in the washing and sterilization of the lens.

Intraocular lens case

A crossed haptics attached to an intraocular lens suitable for implantation in either a phakic or an aphakic eye and a method for implanting and releasing the haptics after implantation in the eye, wherein. The lens comprises a very thin, deformable optic having two pairs of haptics attached to the optic by means of two stems 180&deg; apart on the circumference of the optic, the stems being wider and thinner at the base attached to the periphery of the optic, and tapering to a narrower and thicker tip to which each haptic is connected at opposite edges of the stem. Each haptic optionally sweeps about the periphery of the optic so that the angle subtended by a radial line extending from the center of the optic through the center of a footplate and a second radial line extending from the center of the optic through the center of the stem to which it attaches is about 135&deg;. Also disclosed is a haptic design comprising four footplates which are all independently attached to an optic transition area. The optic transition area is the area where the haptics engage the optic. This embodiment is preferably inserted into the eye by a rolling method. As such, this embodiment provides a lens with excellent flexibility and allows the haptics to be placed inside a rolled optic and return to their natural shape when unrolled.

Crossed haptics for intraocular lenses

Method of implanting a deformable intraocular corrective lens

Haptics for an intraocular lens are attached to a flexible, deformable optic which is capable of being rolled for insertion through a small incision in the cornea. The outer periphery of the optic is circular. The haptics include a pair of stems extending radially on diametrically opposite sides of the optic. The stems are rectangular in cross section, having greater width than thickness to permit greater flexibility anterior to posterior than superior to inferior. A flexible support bar is mounted at the end of each stem, each bar being bisected by its stem respectively, and being shaped like an arc concentric with the optic. The support bar has greater depth than width, in order to permit greater flexibility proximally and distally than anteriorly and posteriorly. The haptics have a haptic arm mounted in cantilever fashion at the ends of each support bar, each of the arms terminating in a circular or lobular footplate. The arms have greater width than thickness, and the footplates have a thickness of about fifty microns.

Haptics for an intraocular lens

An intraocular lens with crossed haptics, suitable for implantation in either a phakic or an aphakic eye and a method for implanting and releasing the haptics after implantation in the eye. The lens comprises a very thin, deformable optic having two pairs of haptics attached to the optic by means of two stems 180.degree. apart on the circumference of the optic, each tapering to a tip having one haptic each connected to opposite edges of the stem. Each haptic has a footplate defined at the free end of the haptic. Each haptic sweeps about the periphery of the optic so that the angle subtended by a radial line extending from the center of the optic through the center of a footplate and a second radial line extending from the center of the optic through the center of the stem to which it attaches is about 135.degree.. The lens is symmetrical about an axis extending through the opposing stems, with each haptic crossing either over or under the haptic connected to the opposing stem on the same side of the axis. The lens is inserted into the eye by using a previously prepared seriated suture joined by a viscoelastic material to fold the lens in a tubular shape and compress the haptics, inserting the lens in the eye, centering the lens, dissolving the viscoelastic material with saline solution, and removing the seriated suture by pulling a free end of the suture left outside the eye during insertion. When released, the footplates of the four haptics lie on a circle concentric with the optic, subtending four substantially equal arcs.

A device for controlling the release of retracted haptics on an intraocular lens is described. By controlling the retraction of the haptics, it is possible to obtain a more precise placement of the lens in the eye. The lens is attached to the device by means of sutures, which allows the lens to be safely and conveniently positioned in the eye.

Device for implantation of intraocular lens

Damage to endothelial and epithelial cells subject to trauma can be substantially reduced by using a wafer of a viscoelastic material. This method is particularly useful when applied prior to ophthalic surgery, particularly intraocular lens implantation surgery. Lens implantation is facilitated by the compression of lens haptics by this delivery system.

Opthalmic wafer

A system for collapsing the lens loops of an intraocular lens in preparation for insertion of the lens into a human eye and forming and maintaining the lens loops in a collapsed position during the lens insertion operation. The system includes an apparatus for mating the intraocular lens with an incapsulating structure such as a wafer fabricated from viscoelastic material. The device is designed in a manner which causes the lens loops of the intraocular lens to collapse as the lens is inserted into the incapsulating structure during the mating process. In a preferred embodiment, the device may comprise a rotor element mounted on a baseplate for supporting the intraocular lens beneath the incapsulating structure, whereby the lens can be rotated or 'dialed' into the incapsulating structure.

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Abingdon, VA, United States of America

Wayne B Callahan