Matches 1 - 22 out of 22
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6921415 Deformable intraocular corrective 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...
6835204 Intraocular lens having a central lens area, an annular lens area, and a meridian section  
An intraocular lens with an optical lens part, which has a central lens area and at least one further annular lens area surrounding the central lens area, the central lens area and the at least one...
6786928 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...
6666887 Deformable intraocular multi-focus 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...
6596026 Telescopic intraocular lens  
An intraocular lens implant including a telescope body defining an optical path for light to pass therethrough, a positive lens and a negative lens attached to the telescope body, and mounting...
6558419 Intraocular lens  
An intraocular lens for inhibiting posterior capsular opacification, or secondary cataract, includes an optic having a periphery provided with at least two sharp edges which lie radially spaced...
6488707 Method of implanting a deformable intraocular corrective 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...
6152958 Foldable thin intraocular membrane  
A thin foldable intraocular implant specifically configured for installation into the anterior chamber of a phakic or pseudophakic eye has broad positioning flaps that do not apply any substantial...
5178636 Tuned Fresnel lens for multifocal intraocular applications including small incision surgeries  
Vision correcting lenses utilizing the principles of both Fresnel lenses and Fresnel zone plates are disclosed. The lenses of the present invention provide multifocal vision correction, and are...
5152788 Multifocal diffractive ophthalmic lens and method of manufacture  
A multifocal ophthalmic lens includes first and second lens members. Each lens member has a smooth outer surface and an inner surface with an edge about its perimeter. A multifocal diffractive zone...
5144483 Diffractive multifocal optical device  
A bifocal lens of the Cohen lens design utilizing phase zone plate optics and a facet depth of one-half wavelength of the design wavelength, where the primary focal points are at two orders,...
5120120 Multifocal optical device with spurious order suppression and method for manufacture of same  
A multifocal optical device is provided for focusing light traveling parallel to an optical axis of the device. The multifocal optical device comprises a multifocal phase zone plate including at...
5089023 Diffractive/refractive lens implant  
In an intraocular optical implant including a refractive/diffractive lens having an anterior surface and a posterior surface and a generally anterior-posterior optical axis, at least one of the...
5056908 Optic zone phase channels  
An ophthalmic contact lens with a phase plate and a pure refractive portion within its optic zone. The invention embraces an ophthalmic contact lens of the Cohen lens design with a phase plate and...
5054905 Progressive intensity phase bifocal  
An ophthalmic lens including a carrier lens having an anterior and a posterior surface. A zone plate is having a plurality of zones is disposed annularly about the optical axis of the carrier lens...
4995714 Multifocal optical device with novel phase zone plate and method for making  
A diffractive multifocal optical element comprising a phase zone plate of a Cohen lens design containing rotationally symmetrical, curved repetitive patterns designed to operate at a specific...
4932970 Ophthalmic lens  
An ophthalmic lens having a size, shape, and composition adapted to be supported by the human eye in the optical path of the eye as an intraocular, contact, or corneal implant lens, includes a...
4846833 Sealed fresnel intraocular lens  
An intraocular lens of the Fresnel type which is constructed so that the Fresnel surface itself is sealed by the posterior capsule surface to overcome the problems encountered in prior intraocular...
4828558 Laminate optic with interior Fresnel lens  
Composite lens, especially an intraocular lens for insertion through an incision into an eye and desirably containing haptics, comprising a flat, partially hollow laminate optic, formed by a pair...
4673406 One-piece implantation lens  
A one-piece implantation lens is provided as a replacement for a natural lens which has been surgically, particularly extracapsularly, removed from the eye of living beings of a higher order and...
4601545 Variable power lens system  
There has been provided a variable lens. In one form the lens power may be varied and in another the power may be selectively fixed in a carrier material. There are no moving mechanical parts but...
4074368 Intraocular lens with high magnification  
A sub-miniature optical system, based in principle on the Galilean telescope, for implantation in the eye following surgical removal of the natural lens. The system is made of methyl methacrylate...
Matches 1 - 22 out of 22