Matches 1 - 50 out of 51 1 2 >
Match Document Document Title
7381221 Multi-zonal monofocal intraocular lens for correcting optical aberrations  
A multi-zonal monofocal opthalmic lens comprises an inner zone, an intermediate zone, and an outer zone. The inner zone has a first optical power. The intermediate zone surrounds the inner zone and...
7341599 Intraocular lens for correcting presbyopia  
An intraocular lens for modifying the refractive abilities of a natural lens or an existing artificial lens in an eye to correct for vision disorders such as presbyopia, myopia, hyperopia or...
7220278 Teledioptic lens system and method for using the same  
An intraocular lens system for implantation in the eye to modify the lens system of the eye comprising the cornea and the natural or existing artificial lens in the eye, and a method for using the...
7178918 Ophthalmic lenses with induced aperture and redundant power regions  
Multifocal and single focus lenses are defined by nonconical aspheric optical surfaces. Various alternative surface shapes provide one or more vision regions bounded by optical steps. Each optical...
7008447 Method for producing a multifocal corneal surface using intracorneal microscopic lenses  
A method for correcting vision of an eye, including the steps of separating a portion of the cornea to form first and second internal surfaces in the cornea, and then placing at least one...
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...
6814439 Multifocal ophthalmic lens  
An improved opthalmic lens is disclosed which has a plurality of alternating power zones with a continuously varying power within each zone, as well as in transition from one zone to another. In...
6790232 Multifocal phakic intraocular lens  
An intraocular lens for use in a mammalian eye having a natural lens, the intraocular lens including a lens body sized and adapted for placement in the eye, and having a baseline optical power and...
6749633 Pre-crystalline intraocular implant  
A pre-crystalline intraocular implant adapted to be implanted between the front face of the crystalline lens and the iris. It comprises an optical part ( 31 ) and a haptic part. The haptic part...
6719792 Implant for the correction of presbyopia in phakic eyes  
Ocular implant of the type comprising an optical portion to which there is connected a haptic portion arranged to position the focal axis of the optical portion off-center with respect to the...
6695880 Intraocular lenses and methods for their manufacture  
The present invention provides intra ocular lenses that have a refractive index gradient. Additionally, the lenses of the invention may be customized to correct the ocular wave front aberrations of...
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...
6638305 Monofocal intraocular lens convertible to multifocal intraocular lens  
An intraocular lens for use in a mammalian eye includes an optic adapted to focus light toward a retina of the mammalian eye and, in cooperation with the mammalian eye, to provide accommodation,...
6599317 Intraocular lens with a translational zone  
An intraocular lens (IOL) for use in a mammalian eye includes an optic adapted to focus light toward a retina of the mammalian eye and, in cooperation with the mammalian eye, to provide...
6557998 Multifocal ophthalmic lens with reduced halo size  
Ophthalmic lenses, for example, intraocular lenses, contact lenses, corneal implant lenses and the like, have multifocal characteristics which provide beneficial reductions in at least the...
6554859 Accommodating, reduced ADD power multifocal intraocular lenses  
An intraocular lens for implantation in an eye of a patient includes a multifocal optic and a movement assembly. The optic has maximum add power which is less than the add power required for full...
6547822 Opthalmic lens systems  
An ophthalmic lens system for improving the vision of a patient including first and second ophthalmic lenses. Each of these lenses is adapted for implantation in an eye or to be disposed on or in...
6537317 Binocular lens systems  
An binocular lens system for improving the vision of a patient including first and second ophthalmic lenses. Each of these lenses is adapted for implantation in an eye or to be disposed on or in...
6503276 Accommodating multifocal intraocular lens  
Intraocular lenses include a lens body sized and adapted for placement in a mammalian eye and having a plurality of different optical powers, and a movement assembly joined to the lens body and...
6474814 Multifocal ophthalmic lens with induced aperture  
Multifocal lenses are defined by nonconical aspheric optical surfaces. Various alternative surface shapes provide a central distance vision region surrounded by an optical step. The optical step...
6457826 Multifocal aspheric lens  
The present invention provides a lens having a plurality of vision areas. The plurality of areas including a first vision area, a second vision area surrounding the first vision area, and a third...
6428574 Self-centering phakic intraocular lens  
The present application discloses a phakic intraocular lens (IOL) for the correction of visual disorders such as myopia, hyperopia, astigmatism and presbyopia. The lens is made from a...
6428573 Intraocular multifocal lens construction  
An intraocular multifocal lens has no definite line between near, far, and/or intermediate power lens areas, and substantially no distortion. A human or animal can use the lens with no need for it...
6390622 Contact lens or intraocular lens having near and distance zones  
A contact lens or intraocular lens is provided having a near zone ( 1 ) and a distance zone ( 2 ) concentrically surrounding the former. In order to achieve functionally correct vision, the said...
6224210 Multifocal artificial ocular lens with a transparency varying with illumination  
A multifocal artificial ocular lens has at least two corrective areas, namely a near vision area to correct near vision and a distance vision area to correct distance vision. The transparency of...
6142625 Toric multifocal lens having different astigmatism corrective optical powers in respective vision correction regions, and method of producing the same  
A toric multifocal lens including a plurality of vision correction regions having centers on a common optical center axis, the plurality of vision correction regions providing respective different...
6126286 Enhanced monofocal ophthalmic lens  
An ophthalmic lens for providing a monofocal vision correction power with an enhanced depth of focus is adapted to be implanted into an eye, placed over the eye, or to be disposed in a cornea of...
5864379 Contact lens and process for fitting  
A contact lens with a central region (10) that is optimally less than approximately 1.9 millimeters in diameter and that is preferably overcorrected by approximately 25% to 100% over the correction...
5847802 Concentric annular ring lens designs for astigmatic presbyopes  
Concentric lens designs are disclosed for astigmatic presbyopes which comprise at least one surface which has a circular central portion and a plurality of concentric annular rings with at least...
5805260 Combined multifocal toric lens designs  
Combined multifocal toric lens designs are disclosed which combine a correction for astigmatism, either corneal or lenticular, with a correction for presbyopia. One of the front and back surfaces...
5800532 Asymmetric intraocular lens  
An intraocular lens is disclosed which includes a central portion having a first refractive power region and a peripheral portion having a second refractive power region. The second refractive...
5715031 Concentric aspheric multifocal lens designs  
Concentric aspheric multifocal lens designs are disclosed which use a combination of an aspheric front surface, which results in aberration reduction and contrast vision enhancement, along with a...
5702440 Multifocal ophthalmic lens for dim-lighting conditions  
A multifocal ophthalmic lens, having outer annular zones with vision correction powers less than a far vision correction power of the patient, is disclosed. These additional annular zones come into...
5684560 Concentric ring single vision lens designs  
Concentric ring, single vision lens designs are disclosed which improve the depth-of-focus of the lens relative to current spherical contact lenses or intraocular lenses by placing at least one...
5682223 Multifocal lens designs with intermediate optical powers  
A multifocus, concentric annular ring lens wherein one of the front and back surfaces of the lens defines a central area comprising a circular disc having a spherical surface corresponding to a...
5652638 Concentric annular ring lens designs for astigmatism  
Concentric annular ring lens designs are disclosed for astigmatic patients, particularly lens designs which reduce the sensitivity of the patient to toric axis misalignment, thus reducing the...
5366500 One-piece bifocal intraocular lens construction  
A rigid bifocal intraocular lens (60) for use as an artificial lens implant is disclosed. In one embodiment, the intraocular lens has a rigid lens body (61) having a chord (61a) and first and...
5344448 Multi-focal intra-ocular implant  
A snap-together arrangement for a multi-focal lens is provided for use as an artificial lens implant in an eye from which the cataractous natural lens has been removed. The lens includes concentric...
5229797 Multifocal diffractive ophthalmic lenses  
A lens according to the invention has diffractive power and two primary foci, where one focus is associated with the first diffractive order and one with the second diffractive order.
5217489 Bifocal intraocular lens  
Intraocular lenses with three zones for the provision of bifocal vision are described. Methods for the lenses use are also described.
5192317 Multi focal intra-ocular lens  
The invention comprises an IOL with at least a center zone and two concentrically located ring zones arranged thereabout, the center zone having a distance power correction. The first concentric...
5158572 Multifocal intraocular lens  
Multifocal lenses are formed having a substantially circular central region having a first optical power, surrounded by a plurality of concentric ring regions which alternate between at least two...
5147393 Bifocal intraocular lens with correction for spherical abberation  
Intraocular lenses with three zones for the provision of bifocal vision are described. Methods for the lenses use are also described.
5112351 Multifocal intraocular lenses  
A multifocal intraocular lens is produced which comprises a lens body having a plurality of optical zones which comprises an aspheric optical zone between each add and base power zone thereby...
5096285 Multifocal multizone diffractive ophthalmic lenses  
Multifocal lenses for improving vision are disclosed. The lenses of the present invention use at least one diffractive zone located in a defined portion of the surface of a refractive lens to...
5089024 Multi-focal intraocular lens  
An intraocular lens, for use within the human eye, contains three concentric regions. An innermost region provides far-field vision. A middle region, surrounding the innermost region, provides...
4919663 Laminated zone of focus artificial hydrogel lens  
An implantable or contact hydrogel lens for replacement of a defective natural lens in an eye in which various portions of the lens are laminated horizontally to have different powers to produce...
4906246 Cylindrically segmented zone of focus artificial hydrogel lens  
An implantable or contact hydrogel lens for replacement of a defective natural lens in an eye in which various annular portions of the lens have different powers and focal lengths to produce...
4798608 Laminated zone of focus artificial lens  
An implantable or contact lens for replacement of a defective natural lens in an eye in which various portions of the lens are laminated horizontally to have different powers to produce in-focus...
Matches 1 - 50 out of 51 1 2 >