Matches 101 - 150 out of 473 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6217171 Composite ophthamic lens  
The invention provides a molded ophthalmic lens having at least first and second optical components, wherein the first optical component is cast molded to encapsulate the second optical component...
6213604 Plasma surface treatment of silicone hydrogel contact lenses with a flexible carbon coating  
The present invention is directed to the surface treatment of silicone hydrogel contact lenses. In particular, the present invention is directed to a method of modifying the surface of a contact...
6206520 Contact lenses with contoured edges  
The invention provides contact lenses that have contoured lens edges that improve lens handling and comfort.
6203156 Contact lenses bearing marks  
This invention provides a contact lens comprising a front surface, a back surface, and an identifying mark, wherein said identifying mark comprises one or more holes depressed into at least one of...
6204306 Functionalized photoinitiators, derivatives and macromers therefrom and their use  
The present invention relates to α-aminoacetophenones functionalized with organic diisocyanates, which can be used as reactive photoinitiators; to oligomers and polymers to which such...
6196685 Method of designing and fitting multifocal lenses taking into account material properties of the lenses  
A method for fitting and designing an ophthalmic lens for a presbyope that yields improved visual acuity in general, and takes into account individual fitting characteristics. More specifically, a...
6177507 Polymerizable compositions comprising a urethane oligomer as crosslinking agent, polymers and hydrated polymers obtained from these compositions, and finished and semi-finished articles formed using these polymers  
The disclosed polymerizable compositions comprise a monomer or a mixture of hydrophilic monomers, as well as a crosslinking agent comprised of an oligomer or a mixture of urethane oligomers having...
6176580 Method of designing and fitting contact lenses taking into account material properties of the lenses  
A method for fitting and designing ophthalmic lenses that yields improved visual acuity and takes into account individual lens fitting characteristics is provided. More specifically, the method of...
6145988 Method for contact lens design and manufacturing  
A contact lens manufacturing method by electronic matching the corneal shape. The corneal shape is reproduced in the back surface of a contact lens via electronic corneal topography, according to...
6139146 Programmable corrective lenses  
The invention provides an ophthalmic lens, which uses a volume HOE to provide an optical power. The ophthalmic lens is produced by a highly flexible production process such that a variety of...
6135594 Toric contact lens with axis offset compensation and method and apparatus for manufacturing same  
A contact lens and a method and apparatus for manufacturing a contact lens having areas of different thickness, the contact lens being compensated for differential shrinkage during the...
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...
6113236 Toric contact lenses  
A toric contact lens includes a posterior surface and an anterior surface, one of these surfaces including a toric optical zone, and these surfaces being shaped to form a ballast. A diameter of the...
6099122 Process for the functionalization of surfaces  
The present invention describes a novel coating process that comprises the use of a functional photoinitiator, or a macroinitiator derived therefrom, in a cascade of process steps, wherein, on the...
6099852 Wettable silicone-based lenses  
This invention provide silicone-based, biomedical devices that exhibit improved wettability as well as biocompatability through the use of functional silane agents. More specifically, the invention...
6099121 Contact lens design  
A contact lens includes an anterior surface and a posterior surface where the posterior surface includes a central zone and a peripheral zone, where the radius of curvature of the central zone is...
6096846 Ultraviolet absorbing base material  
An ultraviolet absorbing base material is disclosed in which a vinyl copolymerizable monomer and a benzotriazole ultraviolet absorbing monomer represented by formula (I) or (II) are copolymerized:...
6087412 Polymers based on block copolymers  
The invention relates to crosslinked polymers, which are polymerisation products of a polymerisable mixture that comprises the following components: a) a macromer of formula C ##STR1## wherein...
6086202 Method of producing angular tolerance markings for lenses for correcting astigmatism, and associated lenses  
In a method of producing tolerance markings on a contact lens for correcting astigmatism which has a given cylinder, the tolerance markings comprise at least two straight line segments in the...
6082856 Methods for designing and making contact lenses having aberration control and contact lenses made thereby  
A method for constructing a soft contact lens having a prescribed power correction for focusing light on the retina of an eye is described. The method provides a soft contact lens that, when in...
6079826 Method for identifying characteristics of contact lenses  
Contact lenses include a posterior surface including a first identifiable marking, and an anterior surface includes a second identifiable marking different from the first marking, the first and...
6075066 Material to be worn on the eyeball  
6048063 Underwater contact lens  
To permit vision underwater, a contact lens has a center portion that includes underwater correction of vision and a peripheral portion that sufficiently conforms in curvature with the cornea of an...
6048371 Process for preparing soft tinted lenses  
A process for preparing a soft, tinted lens is described. The process comprises the steps of softening and tinting a xerogel lens 1, wherein the softening and the tinting are achieved by immersing...
6042230 Markings for contact lenses  
The invention provides marks for use in contact lenses and contact lenses that contain the marks, which marks are highly visible. The marks of the invention are useful for determining the inside...
6037144 Method of preparing a biological material for use in ophthalmology  
A collagen containing substrate comprising cattle basal membrane is conditioned by incubating the membranes in a mixture of pepsin, hyaluronidase and acetic acid and separating the collagen from...
6036314 Apertured contact lenses  
An apertured polymer button in which that portion of the button which is machined and polished to produce a contact lens contains apertures having a diameter of 5 to 8 microns to allow the passage...
6024448 Contact lenses bearing identifying marks  
This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark...
6022553 Method of making a blood-compatible antimicrobial surface  
A method for making antimicrobial, blood-compatible surfaces is provided, articles having surfaces made by this method, and the use of these articles in fields where controlling the spread of...
6015213 Ring for a hard contact lens and hard contact lens composite employing such a ring  
A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard...
5998498 Soft contact lenses  
A soft contact lens comprising a silicone-hydrogel made by curing a reaction mixture comprising a silicone-containing monomer.
5994488 Plastic articles for medical use  
Plastic articles for medical use comprising a polymer, which polymer comprising units derived from an ethylenically unsaturated monomer having a chain containing amino and organosiloxane groups,...
5988813 Differential thickness contact lens utilizing multiple base curves and method of manufacturing same  
A method of producing a compensated contact lens that is compensated for power deviation from target due to differential shrinkage, and also a compensated contact lens. The invention includes the...
5981615 Polymerizable siloxane macromonomers  
A macromonomer of the formula I is described: Q--B(L--B) n T (I) wherein n is zero or at least 1.0; Q is a polymerizable group; B may be the same or...
5975694 Contact lens and method for making the same  
The present invention relates to a contact lens having a back side comprising a central zone and a peripheral zone located about the central zone, wherein the peripheral zone has a surface defined...
5971541 Correction of astigmatism using rotationally symmetric contact lenses  
A rotationally symmetric contact lens has a reservoir formed centrally on the posterior surface thereof to provide an additional optical power of up to 1.51 diopters. The reservoir may be...
5969076 Thermoplastic silicone-containing hydrogels  
Thermoplastic silicone-containing composition are useful as a hydrogel contact lens material. The compositions are based on polymers including a siloxane segment and a highly hydrophilic segment.
5962005 Transparent cellulose hydrogel and production process thereof  
A transparent cellulose hydrogel having a transmittance of visible light of not less than 70%/mm and a tensile strength of not less than 10 kg/cm 2 , wherein the hydroxyl groups of cellulose...
5963297 Orthokeratology contact lens and method therefor  
A contact lens (400) and orthokeratology method for correcting a patient's vision. The contact lens (400) has an optical zone (406) for compressing a central potion of a cornea. The contact lens...
5942558 Hydrogel lens pre-coated with lipid layer  
A storage solution for a hydrogel contact lens comprising a material having polar groups at one end and non-polar groups at the other end. The storage solution desirably further contains an oil....
5936703 Alkoxysilane compound, surface processing solution and contact lens  
An alkoxysilane compound represented by the formula (I) ##STR1## wherein R 1 , and R 2 denote --CH 3 or --C 2 H 5 and X denotes --COO - or --SO 3 - , p and n denote an integer of 1 to 3 and q...
5936705 Pattern for color modifying contact lens  
A color modifying contact lens having an iris pattern having color elements that surround a non-opaque pupil section, wherein the pattern comprises three annular regions: an inner region, an...
5923397 Bimodulus contact lens article  
A bimodulus contact lens article, including both contact lenses and buttons from which contact lenses are produced. More specifically, the subject bimodulus contact lens article comprises a rigid...
5891932 Terpolymer for contact lens  
An ionic contact lens made from a terpolymer of 2,3-dihydroxypropyl methacrylate, 2-hydroxyethyl methacrylate, and methacrylic acid. The contact lens has excellent properties including good...
5872613 Method of manufacturing contact lenses  
A method for providing a contact lens for a patient. According to this method, an optical preform is selected, and a resting position of the optical preform on the patient's eye is determined. An...
5869547 Ocular lens material  
An ocular lens material made of a polymer obtained by polymerizing polymerizable components comprising a monomer of the formula (I): ##STR1## wherein R 1 is a group of the formula: ##STR2##...
5864378 Enhanced monofocal IOL or contact lens  
An ophthalmic lens for providing a monofocal vision correction power with an enhanced depth of focus is disclosed. The ophthalmic lens includes a baseline diopter power for far vision correction, a...
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...
5837377 Biomedical articles with ionically bonded polyelectrolyte coatings  
A hydrophilic article for use in aqueous environments, including a substrate, an ionic polymeric layer on said substrate, and a disordered polyelectrolyte coating ionically bonded to said polymeric...
5835187 Aspheric multifocal contact lens having concentric front surface  
The present invention relates to a multifocal contact lens having an edge, a front and back side and a series of concentrically arranged zones comprising central zone, a marginal zone and a...
Matches 101 - 150 out of 473 < 1 2 3 4 5 6 7 8 9 10 >