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6634748 |
Methods of stabilizing silicone hydrogels against hydrolytic degradation
A method of increasing the shelf life of silicone hydrogels stored in aqueous solutions. More specifically, the present invention relates to a method of stabilizing a silicone hydrogel article...
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6634747 |
Sample indicator lens
Contact lenses with sample indicator marks are disclosed. Also disclosed are methods of marking and use of contact lenses with indicator marks.
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6631988 |
Designing and manufacturing methods of spectacle lens, and spectacle lens series
Disclosed is a manufacturing method of a spectacle lens. The entire range of available vertex power of a spectacle lens is divided into a plurality of sections, and at least one type of...
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6626535 |
Lens-eye model and method for predicting in-vivo lens performance
An eye model system for remotely predicting the in-vivo performance of a vision altering optic includes a representative cornea, a dispersion medium, and a retinal surface. The corneal surfaces...
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6626534 |
Contact lens stabilization design system
A contact lens that is of generally uniform cross-section to allow proper transmission of oxygen-to the eye contains an inner optic region and an outer radial zone. Parallel grooves are placed in...
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6614602 |
Method of manufacturing lens cap for transistor outline package
A method of manufacturing a lens cap ( 40 ) for a transistor outline package includes the steps of: (a) providing a main part ( 2 ) of the lens cap; (b) providing an upper and lower molds ( 51, 52...
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6610081 |
Methods for treating migraine headaches
The present invention generally relates to various systems and methods for the treatment of a migraine headache and related malady(s) through the filtering a portion of ambient light transmitted to...
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6607271 |
Method for mounting ophthalmic lenses
The invention relates to a method for fitting, in a frame, a progressive ophthalmic lens prescribed for a wearer. It proposes that only the horizontal position of the wearer's pupil be measured on...
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6595639 |
Junctionless ophthalmic lenses and methods for making same
Methods for producing a junctionless ophthalmic lens are provided. Additionally, ophthalmic lenses having junctionless, three dimensional surfaces, for example, asymmetrical anterior and/or...
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6595640 |
Method for designing contact lenses
The invention provides methods for designing contact lenses in which method the thickness in the lens periphery is precisely controlled.
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6586508 |
Plastic lens material, production process of the material, composition for plastic lens, plastic lens obtained by curing the composition, and production process of the plastic lens
A plastic lens material comprising a compound in which a part or all of 1,4-cyclohexane dicarboxylate structural units are a cis structure; a production process of the material; a plastic lens...
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6586038 |
Process for the modification of a material surface
The invention relates to a process for coating a material surface. The process comprises the steps of: (a) covalently binding polymerization initiator radicals to the surface; (b) graft...
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6585373 |
Ophthalmic lenses utilizing polyethylene terephthalate polarizing films
An optical-quality part such as an ophthalmic lens is provided having a PET polarizing film integrally bonded thereto and, optionally, a hard coating integrally bonded to either the PET polarizing...
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6582076 |
Ophthalmic lenses useful in correcting astigmatism and presbyopia
This invention includes an ophthalmic lens having a convex surface and an opposite concave surface where one of said surfaces contains alternating distance and near power zones where one or more...
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6582077 |
Orthokeratological contact lenses and design methods therefor
Orthokeratological contact lens and designs methods satisfy one of a group of design constraints. Arc lengths, surface areas, cross-sectional areas, saggital depth and volumes defined by an...
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6579918 |
Composite ophthalmic 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...
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6568807 |
Contact lens with moulded inversion mark
A contact lens is provided that has visible inversion marks on the lens. The marks include a plurality of recessed spots having side walls, a substantially convex bottom surface, and a relatively...
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6566417 |
Contact lens having improved dimensional stability
A contact lens and a contact lens blank having increased dimensional stability are constructed from a copolymer of 2,3-dihydroxypropyl methacrylate and 2-hydroxyethyl methacrylate, wherein the...
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6554426 |
Methods for designing and manufacturing single-vision spectacle lens and manufacturing system thereof
A design method of a spectacle lens includes step for selecting one or more lens parameters as variables among a plurality of lens parameters, step for assigning values of the same optical...
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6554421 |
Non-correcting lens blank, and method for making same
A nonconnecting lens blank and method provide an integrated optical function insert and allow for ease in trimming by the ability to visually orient the geometric alignment of the optical function...
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6554425 |
Ophthalmic lenses for high order aberration correction and processes for production of the lenses
The invention provides multifocal ophthalmic lenses that have zones of more than one optical power, or focal length. The lenses correct for high order optical aberrations in more than one field of...
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6554427 |
Methods for designing contact lenses
The invention provides a method for designing lenses and lenses produced thereby in which method locally fitted Chebyshev polynomials are used to design one or more of the lens' surfaces.
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6543897 |
Orthokeratology contact lens
A contact lens is fitted to a cornea of a patient's eye to gradually alter the patient's cornea during continued wear to reshape the cornea to reduce the myopic condition. The contact lens has a...
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6533416 |
Contact or intraocular lens and method for its preparation
Toric contact or intraocular lenses having a correcting portion characterized by one or more novel constructions that each produce an optical path that improves angular misalignment tolerance. The...
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6533415 |
Ocular lens material having hydrophilic surface and process for preparing the same
A process for preparing an ocular lens material having hydrophilic surface, characterized by comprising the steps of (1) irradiating the surface of an ocular lens material with high-frequency...
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6513930 |
Contact lens capable of letting eyeball seem larger
The present invention relates to a contact lens capable of letting the eyeball seem larger. A colored pattern of hollow annular shape is printed on the outer surface of the contact lens. The...
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6511179 |
Design of a soft contact lens based upon novel methods of corneal topographic analysis
A method is provided which is used to design soft contact lens via corneal topographic analysis. The topography of the cornea is matched to a corresponding topography of a soft contact lens. A...
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6505935 |
Optical lens coating and method
An optical lens having a colored coating affixed to the edge of the lens. The apparatus may enhance the cosmetic appearance of eyeglasses by reducing the appearance of the white ring appearing...
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6505934 |
Progressive addition lenses with prism power added to improve wearer comfort
The present invention provides progressive addition lenses into which vertical prism power is added. The resulting lens exhibits an improved image quality in comparison to conventional progressive...
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6491392 |
Dynamically stabilized contact lenses
Stabilized contact lens are provided in which the stabilization zones are obtained by using spline or polynomials to describe one or more peripheral portions of a surface of the lens. The lens'...
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6491393 |
Toric contact lens markings
Toric contact lenses are provided with markings that enable identification of the offset between the cylindrical axis of the toric zone and the ballast axis. Surfaces of the lenses include two...
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6478423 |
Contact lens coating selection and manufacturing process
The invention is a method of making a coated contact lens with desirable physiological performance. Preferably, the lenses are made from hydrophobic contact lens substrate with a hydrophilic...
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6467904 |
Method of making lens with colored portion
A method of making a lens, such as a contact lens, with a colored portion involves introducing a lens-forming monomer mixture and a colored material to a lens mold, applying a magnetic field to the...
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6464355 |
Ophthalmic lens synthesized from its specification
This invention relates to a novel prescription lens ( 58 ), mainly suited for ophthalmic applications. The lens designer defines the macroscopic surfaces of the lens ( 59, 60 ) as desired. The...
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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...
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6454409 |
Contact lenses
Contact lenses that have a back edge designed so that the flat portion of the edge does not rest on the wearer's conjunctiva are provided. The lenses of the invention exhibit good lens handling as...
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6444293 |
Bus bar application method
A method for applying a bus bar to the peripheral edge region of a shaped substrate is disclosed. The method involves: 1) applying a protective coating to a blank substrate; 2) edging the blank...
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6431706 |
Method for cast molding contact lenses with a rounded edge form
Methods for producing contact lenses include providing a back surface tool having a surface generally corresponding to a desired contact lens surface and a convex curve along an outer radius...
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6419359 |
Surface design method
A surface design method for designing refractive optical devices, and the optical devices themselves, using a wave transform analysis technique to control aberrations and produce a device with more...
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6412948 |
Progressive power multifocal lens
A series of progressive power multifocal lenses having a plurality of base curves which are designed to have substantially the same basic lens specifications and substantially the same optical...
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6412946 |
Vitrectomy lens
A self-adhering contact lens made of flexible material for adhering to cornea and scleral regions of the eye includes a central lens portion optically shaped for viewing interior regions of the...
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6412945 |
Non-uniform mask lens
A device and method for a non-uniform lens which incorporates geometry for external and internal eye relief which meets requirements of optical corrections and optical sighting systems is provided....
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6413641 |
Treated polyethylene terephthalate polarizing films for improved adhesion in optical plastics
An optical-quality plastic part is provided having a PET polarizing film integrally bonded thereto and, optionally, a hard coating integrally bonded to the PET polarizing film. In a preferred...
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6406145 |
Contact lenses with improved centering and orienting
The invention provides a rotationally stabilized contact lens that takes into account the natural shape of the lens wearer's cornea in the design of the base curve of the lens. The invention...
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6390621 |
Manufacturing of positive power ophthalmic lenses
Multifocal ophthalmic lenses may be manufactured by either injection molding and casting methodologies. The use of two opposed tools (mold faces) with relatively centered faces, but with...
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6390623 |
Customized progressive addition lenses
The invention provides progressive addition lenses designed for uses in which a large region of intermediate refractive power is desirable. The enlarged intermediate region is provided without...
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6390624 |
Contact lens
The invention provides a rigid contact lens which acts as a varifocal device when worn on a specified eye in which the varifocal functionality is obtained from the geometry of the back surface of...
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6382789 |
Toric ophthalmic lenses
A method is provided for determining, by optimization, an ophthtalmic lens for a spectacle wearer for whom an astigmatism has been prescribed, comprising the steps of: selecting a starting lens...
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6382790 |
Method for producing a multifocal correction lens, and system for implementing same
The invention concerns a method for producing multifocal correction lenses from semi-finished lenses ( 1 ) having at least a first positioning marker M, associated with a correction A called...
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6379004 |
Ophthalmic lens and process for its production
This invention relates to optical, preferably ophthalmic lenses with a body made of plastic, in particular for spectacle glasses, and the plastic incorporates cycloolefinic polymers and the plastic...
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