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6840618 |
Stress-relieved acrylic optical lenses and methods of manufacture by injection coining molding
Stress-relieved molded acrylic opthalmic lenses, and injection-coining mold processes for molding stress-relieved plus and minus to high-minus diopter ophthalmic lenses of optically superior...
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6837580 |
Progressive power lens
A progressive power lens includes a convex front surface and a concave back surface which is also a progressive power surface. A pattern including distance and near reference area marks is printed...
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6832834 |
Method for computing a progressive spectacle lens and methods for manufacturing a spectacle lens of this kind
A method for computing a spectacle lens, which includes a region (distance portion) designed for viewing at large distances and in particular “to infinity”, a region (near portion) designed for...
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6830332 |
Ophthalmic lens
According to the invention the ophthalmic lens further comprises a refractive part comprising at least one surface, which is configured to compensate a passing wavefront at least partly for at...
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6830333 |
Computerized process serving for the manufacture of clip-ons for eyeglasses
A system for imaging eyeglasses having lenses, and obtaining data indicative of the outline of the eyeglasses and designated locations associated with the outline. The system includes a positioning...
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6824268 |
Method for designing optical elements
In some embodiments of the present invention, a method for designing one or more surfaces of an ophthalmic lens includes representing the surfaces with parameters, choosing a function in the...
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6824267 |
Tinted contact lens and method for making same
A tinted contact lens for insertion into an eye comprises a contact lens substrate and an iris-simulating pattern on the lens substrate. The iris simulating pattern comprises at least four...
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6817714 |
Method and apparatus relating to the optical zone of an optical element
The invention relates to the determination of higher-order aberrations of an optical element over an optical zone that is larger than the typically limited measured zone over which the aberrations...
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6811260 |
Eyeglass lens designing method and eyeglass lens
It is made possible to easily obtain a spectacle lens with higher performance in a spectacle lens designing method in which an eyeball motion (Listing's Law) is taken into consideration. A...
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6811258 |
Eyeglasses for improved visual contrast using hetero-chromic light filtration
Eyeglasses for enhancing visual contrast through the use of hetero-chromic filters are provided. One lens of the glasses is tinted pale green while the other lens is tinted to be a slightly darker...
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6808263 |
Progressive spectacle lens producing only slight dynamic distortion
Described is a spectacle lens comprising a region (distance portion) designed for viewing at large distances and in particular “to infinity”; a region (near portion) designed for viewing at...
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6807006 |
Method of manufacturing polarized spectacle lens
A film of a plastic material fusible with a lens-forming material and having a high light transmissivity is bonded and laminated, with an adhesive, to a polarizing sheet having a polarization...
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6802605 |
Contact lens and method for fitting and design
Wavefront aberration measurements measured in response to design parameter changes in a contact lens, for example, are used to design and prescribe contact lenses offering improved vision quality....
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6802606 |
Multifocal contact lens pairs
The invention provides a progressive multifocal ophthalmic lens pair in which the dominant eye lens incorporates more distance vision correction than does the lens for the non-dominant eye.
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6796653 |
Aspherical spectacle lens with geometric center spaced from framing reference point and processing method thereof
Disclosed are a single-vision aspherical spectacle lens to correct eyesight and a processing method thereof. The spectacle lens has front and back surfaces, one of which is an aspherical surface. A...
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6793339 |
Coated sunglass lens
An optical lens including an optically clear lens element; and a light absorbing coating on a surface of the lens that attenuates transmitted light; has a coloured or colourless reflection as seen...
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6789898 |
Model for representing an ophthalmic lens surface
An ophthalmic lens having a complex surface and a toric or spherical surface is represented in a model using a prism reference point and a prescription point on the complex surface, the normal to...
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6789896 |
Shaped ophthalmic lenses
An optical lens element including a first surface; and a second surface of complementary curvature; at least one surface exhibiting significant deviation in curvature from a standard optical...
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6786595 |
Flat ophthalmic lens synthesized from its specifications
This invention pertains to thin arched prescription lens ( 58 ), mainly suited for ophthalmic applications, which are designed to be manufactured as a thin flat sheet, and after or while being...
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6786596 |
Optical lens coating
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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6786598 |
Plastic eyeglass lenses
An apparatus for preparing a plastic eyeglass lens includes a coating unit and a lens curing unit. The apparatus is preferably configured to allow the operation of both the coating unit and the...
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6786599 |
Polarized lens of plastic lamination and the production method of the same
A polarized lens of plastic lamination is provided, which lens is of high quality and highly durable in use while being inexpensively and stably producible without inconsistency in quality. The...
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6786600 |
Methods for generating a progressive surface and for production of multifocal progressive lenses
A method for generating a progressive surface includes generating the surface from stored delta data and a substantially spherical surface calculated on-the-fly.
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6764180 |
Multifocal contact lens and method of making the same
A multifocal contact lens structured to provide simultaneous distant and near vision includes a transparent lens body having an inner concave surface and an outer convex surface. The lens body has...
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6764179 |
Ophthalmic lens design method and resulting ophthalmic lens
Disclosed is a method of designing an ophthalmic lens including the steps of: (a) determining a preliminary lens shape by preliminary determining a shape of the ophthalmic lens; and (b) varying the...
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6761784 |
Temporary protective layer on polymeric articles
The temporary protection of polymeric articles, particularly polymeric articles with optical qualities such as ophthalmic lenses formed by the lamination of individual lens blanks, can be effected...
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6761452 |
Light polarizing film with melanin
A dichroic dye can be blended with a non-dichroic dye (melanin and melanin derivatives) and still maintain a commercially acceptable level of polarizing efficiency. Efficient polarizers exhibit...
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6761451 |
Colored/tinted contact lens preview device
A colored/tinted contact lens preview device which is a beauty mirror sales aid to enable a prospective purchaser or wearer of colored or tinted contact lenses to preview the appearance of...
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6755524 |
Ophthalmic optical elements and methods for the design thereof
In some embodiments of the present invention, a method for designing one or more surfaces of an ophthalmic optical element for an eye suffering at least from higher order aberrations includes...
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6746118 |
Bifocal contact lens with secondary prism
A soft prism bifocal contact lenses that provides optimal vision for both distance and near objects by incorporating two or more prisms into the same lens. One or more primary prisms are used to...
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6743486 |
Method for producing spectacle lens and lens processing system
Production information such as an edging mark 31 indicating a region of a lens remaining after edging and reference position marks 32 are depicted in a region, to be cut off by the edging, of a...
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6739719 |
Lens blank convenient for masking unpleasant odor and/or delivering a pleasant odor upon edging and/or surfacing, and perfume delivering lens
The present invention relates to the field of reducing or eliminating unpleasant odor and/or delivering a pleasant odor upon edging and/or surfacing lenses, and more particularly ophthalmic lenses....
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6736506 |
Eyeglasses made-to-order system
This is an eyeglasses made-to-order system wherein an operator determines eyeglass specifications necessary for ordering eyeglasses, including necessary items relating to each structural member of...
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6736505 |
Progressive power spectacle lens
A progressive power spectacle lens has a progressive power surface on at least one of a front surface and a back surface of the spectacle lens. The progressive power surface includes a distance...
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6733123 |
Hydrogel contact lenses of high biocompatibility
A hydrogel contact lens is described, the HEMA basic material of which is copolymerized with SPE and amino acids. The water retention capability and the refractive index of the resulting contact...
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6730244 |
Plastic lens and method for the production thereof
A method for making a plastic lens and a plastic lens made thereby. The method comprises disposing a liquid monomer or a monomer mixture and a photosensitive initiator into a mold cavity and...
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6726323 |
Contact lens and method of designing the same
A contact lens wherein a dioptric power P is held within a range of −10-0 diopters, a back junction is located outward of a front junction in a diametric direction orthogonal to a center axis of...
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6715875 |
Astigmatic-power spectacle lens
Disclosed is a single-vision astigmatic-power spectacle lens having cylindrical power to correct astigmatism of an eye. The spectacle lens has front and back surfaces, one of which is a...
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6712467 |
Progressive-power lens and design process for same
The present invention provides a progressive-power lens affording superior wear comfort, even where a shallow base curve is employed in order to make the lens lighter and thinner, which is...
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6709101 |
Apparatus and method for avoiding ocular muscular fatigue
The present invention provides an apparatus and method for avoiding ocular muscular fatigue, the apparatus comprising a binocular light converging means ( 12, 14 ) for converging incident light (...
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6709106 |
Method for the manufacture of a spectacle lens, spectacle lens and spectacle lens family
This disclosure relates to a spectacle lens family and methods of manufacturing the same, which in one embodiment has a multifocal property such that along a line between a far-vision reference...
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6698884 |
Lenses and spectacles bearing lenses
An optical lens element of wrap-around or shield type wherein the aperture of the lens outline or edge of at least one surface of the optical lens element is of generally ovaline shape and located...
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6685315 |
Bifocal lenses
Bifocal contact and intraocular lenses are described wherein a viewing area which has an extend generally corresponding to the maximum pupil area of the wearer, said viewing area having a central...
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6685316 |
Method of manufacturing progressive ophthalmic lenses
What is described here is a method of manufacturing progressive ophthalmic lenses whereof each is produced in correspondence with the individual data of a specific spectacle wearer, and whereof...
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6679605 |
Crystalline polymeric compositions for ophthalmic devices
Ophthalmic devices suitable for implantation into the eye through small incisions are disclosed. These devices are made from a composition comprising crystalline or semi-crystalline polymeric...
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6669338 |
Method of using a tablet for introducing tint, UV absorbers and other chemicals into spectacle lens and optical filter tinting systems
The method of using a tablet or coated tablet to introduce tint concentrate, UV absorbers, decolorant, conditioner and other optical chemistry into the dyebaths used for tinting plastic ophthalmic...
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6659608 |
Polarizing optical article
An object of the present invention is to provide a polarization optical article comprising a polarizer incorporated therein which provides views through sunglasses, goggles, lenses, or the like...
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6655803 |
Wavefront method for designing optical elements
A method for designing a surface of an optical element includes the steps of prescribing initial wavefronts, selecting an initial parameterized representation of the surface, choosing a cost...
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6655802 |
Method for producing eyeglasses
What is described here is a method of manufacturing spectacles comprising individual progressive ophthalmic lenses, including the following steps: selection of a spectacle frame, detection of the...
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6652095 |
Orthokeratology and bi-focal 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 hyperopia and/or presbyopia condition. The...
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