Matches 1 - 39 out of 39
Match Document Document Title
7237893 Light adjustable lenses capable of post-fabrication power modification via multi-photon processes  
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The...
7217289 Treatment of photic disturbances in the eye  
An ocular lens treated so that at least a portion of the lens perimeter diminishes peripheral light focus on the interior of the eye in use, so as to ameliorate phobic eye disturbances. The lens...
6956087 High refractive index polysiloxane prepolymers  
A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric...
6805712 Process for the production of polysiloxane-based polymeric compositions for use in medical devices  
A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric...
6709107 Composite ophthalmic lens and method for obtaining same  
The composite ophthalmic lens ( 1 ) comprises a first layer ( 2 ), at least 200 micrometers thick, forming a front part of said lens, of a first polymeric material of refractive index higher than...
5353072 Aspherical spectacle lens  
In an aspherical spectacle lens having a negative degree and an aspherical surface of rotational symmetry located on an object side, a surface power of the aspherical surface of rotational symmetry...
5054904 Aspheric lens blank  
The present invention provides an aspherical spectacle lens blank. The lens blank is generally circular in shape and includes a central circular zone which is surrounded by three or more concentric...
5050981 Lens design method and resulting aspheric lens  
An aspheric lens for providing improved vision and a method for generating such a lens is described. The lens provides a sharp image focus while minimizing image aberrations. The method utilizes...
5050980 Aspherical spectacle lens  
An aspherical spectacle lens having a positive power. The lens has a front refractive surface and a rear refractive surface. The curvature of an arbitrary meridian passing through a predetermined...
4997268 Corrective lens configuration  
An optical lens for eyewear for correcting severe myopia molded from a lens blank having an outer perimeter portion and an inner central portion, and having an inside and outside surface, the...
4895439 Aspheric spectacle lens  
This patent discloses a spectacle lens having an aspheric front surface and a planar rear surface. The front surface of the spectacle lens includes a circular central zone and two or three annular...
4784482 Multifocal spectacle lens with high positive focal power  
A multifocal spectacle lens is described with a high positive focal power, with a convex front surface which comprises an aspheric focal portion with an additional near segment, a transition zone...
4719248 Ultraviolet blocking agents for contact lenses  
Novel ultraviolet absorbing compounds useful in contact lenses and methods for curing contact lenses containing UV absorbers are disclosed.
4577942 Laminated high correction eyeglass lens  
Disclosed is a high index of refraction glass base lens in combination with readily castable CR-39 or equivalent plastic veneer overlay. The high index of refraction glass serves to bend light...
4573777 Aspheric spectacle lens blank  
The present invention provides a spectacle lens blank for an aphakic eye and which is adapted to be worn in front of the eye by patients following extra capsular surgery. The lens blank includes a...
4573776 Biconvex aphakic prosthetic lens  
This invention relates to a reduced magnification, thinner lens structure, and improved vision for an aphakic patient by biconvexing the lens with the occular side of the lens having a correction...
4504128 Spectacle lens with high positive refractive power  
A spectacle lens with a high positive refracting power, whose front surface has an aspheric, rotationally symmetric effective part. The effective part is configured in accordance with the following...
4289387 Ophthalmic spectacle lenses having a hyperbolic surface  
Ophthalmic spectacle lenses are provided with powers ranging from -20 to +7 diopters, for minus powered lenses, with a posterior surface of a hyperboloidal form and, for positive powered lenses...
4195919 Contact lens with reduced spherical aberration for aphakic eyes  
Contact lenses, particularly for aphakic eyes, are characterized by a rear conicoid optical surface that is fitted to the cornea and a front prolate ellipsoidal optical surface of particular power,...
4185897 Prosthetic aspheric spectacle lens for aphakia  
A prosthetic, aspheric spectacle lens for aphakic patients comprising a posterior surface and an anterior surface having a spherically curved zone and an aspheric peripheral zone surrounding the...
4181409 Aspheric lens series  
A series of non-lenticular ophthalmic lenses for use in the correction of aphakia having, in the case of each lens of the series, a front surface of rotationally symmetrical aspheric...
4129361 Eye testing device for prescribing eyeglasses  
A device for determining a prescription lens for eyeglasses to be used by highly hyperopic patients, in which a frame mounted lens is inserted in a trial lens mounting to project on either side of...
4079470 Artificial intraocular lens  
A chemically durable, biologically inert optical implant lens formed of a low density natural or synthetic crystal, such as Corundum, Sapphrie, Ruby, Sircon, Strontium Titanate, Diamond, Anatase or...
4073578 Spectacle lens for aphakia patients  
A spectacle lens having an anterior surface curvature, the anterior surface having a spherically shaped central vision surface area from 12 to 16 diopters and a peripheral, aspherical surface area...
D243394 Oval lenticular lens  
3950082 Ophthalmic lens for presbyopia and aphakia  
There is presented a multifocal ophthalmic lens of homogeneous transparent optical material useful for the correction of the refractive error and the accommodative insufficiency or absence of...
3781097 ASPHERIC LENS SURFACE  
An aspheric ophthalmic lens series for use in the correction of aphakia. The series includes lenses having vertex powers extending from about +7.75 diopters to about +18 diopters and each of the...
3760045 PROCESS OF PREPARING SHAPED OPTICAL BODIES USEFUL AS AIDS TO VISION  
Optical lenses useful for replacing damaged or cataractous eye lenses, contact lenses, and other aids to vision obtained from the lens nucleus substance have a high transparency and their optical...
3245745 Post-operative multifocal cataract lenses with base-in prismatic nearvision segments  
3195145 Spectacle lens system having protective major lens and detachable posterior corrective lens  
3169247 Ophthalmic aspheric lens series  
3140338 Spectacle lenses for unilateral aphakia  
3027803 Spectacle lens-contact lens system  
2923201 Ophthalmic lens  
2796000 Method of making ophthalmic lens  
D026697 Title is not available  
3702218 Title is not available  
3553783 Title is not available  
3553299 Title is not available  
Matches 1 - 39 out of 39