Matches 51 - 100 out of 342 < 1 2 3 4 5 6 7 >
Match Document Document Title
7052133 Contact lenses  
The present invention provides a contact lens having an orientation/stabilization and optionally translation feature that does not provide an prism optical distortion and can effectively maintain a...
7044597 Multifocal contact lens and method of manufacture thereof  
An optical zone for a lens has a center optical axis. A first region of the optical zone includes a first optical curve having a first optical axis that is collinear with the center optical axis. A...
7036931 Ophthalmic lenses  
The present invention provides an ophthalmic lens capable of correcting or minimizing presbyopia, or of functioning used as an anti-myopic lens. The ophthalmic lens can be a contact lens, a phakic...
7021764 Eyeglass manufacturing method using variable index layer  
An eyeglass manufacturing method using epoxy aberrator includes two lenses with a variable index material, such as epoxy, sandwiched in between. The epoxy is then cured to different indexes of...
7021760 Soft contact lens capable of engagement with an eye either right way out or inside out  
A soft contact lens for fitting to an eye of a wearer in either a right way out orientation or in an inside out orientation; the lens including first and second generally arcuate surfaces each...
7012160 Fluorine-containing acetophenone derivative, surface layer material containing the same as photo initiator, article with composite hard coat layer, and method for forming composite hard coat layer  
The present invention provides a new fluorine-containing acetophenone derivative useful as a photo initiator, and a surface layer material containing the fluorine-containing acetophenone...
7004585 Ophthalmic lens having an optical zone blend design  
An ophthalmic lens, such as multifocal contact lens, that is worn on the surface of the eye and has a blended design for a segmented optical zone. The lens has an anterior surface and an opposite...
6997553 Contact lens for reshaping the altered corneas of post refractive surgery, previous ortho-K of keratoconus  
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 altered cornea conditions such as the corneas of post refractive...
6986578 Multifocal ophthalmic lenses  
The invention provides lenses for correcting presbyopia in which the near vision segments interfere at least about 50% less with distance vision than do the near vision segments in conventional...
6971746 Contact lens having a uniform horizontal thickness profile  
A contact lens having a rotational stabilization mechanism thereon, such as prism ballast, and a thickness profile that reduces the torque imparted on the lens by the action of the eyelids,...
6957891 Ophthalmic lens with surface structures  
A lens, particularly a contact lens, including surface structures on at least one of the lens surfaces. The surface structures improve lubrication conditions of the lens and increase lens comfort....
6923540 Toric multifocal contact lenses  
The present invention provides a toric multifocal contact lens having a cylindrical optical power to correct astigmatism vision errors and a multifocal power to compensate for presbyopia. A toric...
6921168 Translating contact lens having a ramped ridge  
The present invention provides a translating contact lens having a central axis, an anterior surface and an opposite posterior surface. The anterior surface includes an optical zone and a ramped...
6899425 Multifocal ophthalmic lenses  
The invention provides multifocal lenses for correction of presbyopia. Each of the lenses of the invention provide both distance and near vision correction by providing both a first multifocal...
6896368 Multifocal soft contact lens with horizontally decentered lenslet and indicator marking  
A multifocal soft contact lens has a main carrier lens with a distance vision axis coincident with its geometric center and extending transversely through the intersection of transverse horizontal...
6874887 Multifocal contact lens  
A multifocal contact lens includes a first, central zone for distance and intermediate vision and a second, outer zone for near vision. The first and second zones are conic sections joined...
6871953 Contact lens with transition  
A monocentric bifocal contact lens with upper and lower optical power zones is connected by a transition comprising a family of sigmoidal curves. The sigmoidal curve begins with a common tangent at...
6851803 Ophthalmic lenses with reduced chromatic blur  
The present invention provides single vision and multifocal lenses, as well as methods for their production, having a transverse chromatic aberration enabling provision of a lens the performance of...
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...
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...
6808262 Multifocal contact lens with aspheric surface  
A contact lens is disclosed having a front surface and a back surface. The lens contains a continuously varying aspheric surface on one or more of these surfaces.
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....
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.
6786602 Aberration correction spectacle lens  
A novel method for the design and construction of a spectacle lens for the correction of human vision, including the correction of high order aberrations. The lens enables the provision of...
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...
6752499 Myopia progression control using bifocal contact lenses  
The present invention provides new methods and systems for treating myopia progression in myopic patients who also exhibit near point esophoria, esophoria at near, eso fixation disparity, or eso...
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...
6733124 Contact lens  
Disclosed is a contact lens having a back surface to be placed on a cornea. The back surface includes a generally circular central zone whose radius of curvature gradually decrease from its center...
6733125 Multi-focal contact lens  
The contact lens has a fused construction with improved comfort, reduced optical distortions, such as halos, reduced discontinuities, and improved mechanical stability. The lens has an inside...
6709103 Methods for designing multifocal ophthalmic lenses  
The invention provides methods for designing lenses useful for correcting presbyopia that permits variation of the speed of the power change from distance to near vision power or near to distance...
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...
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...
6641589 Ophthalmic surgical lens  
An ophthalmic surgical lens to prevent retinopathy caused by microscopic illumination during cataract or intra-ocular lens surgery. The lens is soft and includes a transparent lens portion placed...
RE38193 Contact lens utilizing Stiles-Crawford effect  
The present apparatus comprises a lens body of conventional soft contact lens composition, having a generally spherical concave back surface adapted to fit the cornea of the eye, and a generally...
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...
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...
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...
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...
6540353 Contact lens and process for fitting  
An aspheric multifocal contact lens for wearing by a patient with presbyopia is disclosed. The lens has a lens body with a rear surface adapted to fit on the surface of the eye and a front surface...
6536899 Multifocal lens exhibiting diffractive and refractive powers  
A multifocal lens including annular zones wherein each annular zone is divided into at least two annular sub-zones. Preferably, no geometric or optical optical steps are present between annular...
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...
6511178 Multifocal ophthalmic lenses and processes for their production  
The invention provides lenses that have zones of more than one optical power, or focal length, and a smooth transition between the zones of differing power.
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...
6409339 Multifocal lens, and method for production thereof  
Multifocal lens provided with a reading part disposed near the bottom part and another lens, such as a distance lens, near the top part. According to the invention, the outer limit of the reading...
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...
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...
6364483 Simultaneous multifocal contact lens and method of utilizing same for treating visual disorders  
A simultaneous multifocal contact lens for correcting vision acuity of an individual is disclosed. The contact lens comprises a central region radially surrounded by at least one far vision focal...
6361165 Flyglasses  
Flyglasses having two lenses, at least one of which is faceted and both of which are held in a mount that is preferably flat. The mount can be in the form of a so-called lorgnette having a handle...
6357876 Multifocal ocular lens having intermediate-distance vision correction region formed in central part of vision correction area  
A multifocal ocular lens having a vision correction area including at least one distant vision correction region having a first optical power value for distant vision correction and at least one...
Matches 51 - 100 out of 342 < 1 2 3 4 5 6 7 >