Matches 1 - 50 out of 249 1 2 3 4 5 >
Match Document Document Title
7604349 Static progressive surface region in optical communication with a dynamic optic  
An ophthalmic lens is presented in which the lens includes a progressive addition legion and a dynamic optic. The dynamic optic and the progressive addition region are in optical communication. The...
7524059 System, apparatus and method for correcting vision with an adaptive optic  
An electro-active spectacle lens is disclosed. The disclosed lens includes a first lens optic. The disclosed lens also includes a first electro-active zone positioned in a cooperative relationship...
7457434 Adaptively focusing extra-ocular vision prostheses  
A vision prosthesis includes an actuator in communication with an extra-ocular lens. The actuator providing a focusing stimulus to vary a focal length of the lens. A rangefinder estimates a range...
7427134 Ophthalmic lens  
A progressive multifocal ophthalmic lens has a complex surface having a prism reference point, a fitting cross, a progression meridian having a power addition greater than or equal to 1.5 diopters....
7422325 Method of designing a spectacle lens  
A method of designing a spectacle lens having a combined refracting surface in at least one of two refracting surfaces at object and eye sides structuring the spectacle lens, wherein the combined...
7413303 Ophthalmic lens  
An ophthalmic lens has a complex surface with a fitting cross, a progression meridian having a power addition greater than or equal to 1.5 diopters between far vision and near vision reference...
7399080 Bi-aspherical type progressive-power lens and method of designing the same  
To provide a bi-aspherical type progressive-power lens which provides an excellent visual acuity correction for prescription values and a wide effective visual field with less distortion in...
7396126 Electro-active multi-focal spectacle lens  
Electro-active multi-focal spectacles are disclosed. The spectacles have a stack of at least two electro-active regions. The electro-active regions produce a plurality of viewing correction zones....
7393101 Method of manufacturing an electro-active lens  
A method of manufacturing an electro-active lens is disclosed. The lens is manufactured by providing a lens blank having a front and back surface, a thickness, and an index of refraction. An...
7377638 Four zone multifocal lenses  
The present invention provides multifocal lenses containing at least four zones of different refractive power. The zones are positioned such that the wearer is able to use the inferior-most portion...
7370962 Pupil regulated multifocal contact lenses  
The invention provides a multifocal ophthalmic lens that both corrects for the wearer's refractive prescription and takes into account pupil size of a specific individual or of a population of...
7364294 Progressive addition lenses with reduced unwanted astigmatism  
The invention provides lenses in which the maximum unwanted astigmatism is reduced and distributed over a wide area.
7364292 Method of designing progressive power lens group  
A method of designing a progressive power lens group as a set of progressive power lenses, each having a first refractive section having a refractive power for seeing an object located at a...
7344245 Method of designing progressive lenses  
A method and system for designing a progressive lens is disclosed. The method includes modifying a reference progressive lens design having a peripheral design which is suitable for a wearer and...
7338163 Progressive ophthalmic lens  
The invention relates to an ophthalmic lens for long-sighted and intermediate vision comprising a complex surface provided with an optical centre, a substantially umbilicated meridian line and an...
7338162 Workplace screen lens  
A workplace screen lens, having a workplace screen lens optimized at the middle of the lens for the middle viewing distances of approximately 60 centimeters to approximately 90 centimeters, and the...
7334893 Series of progressive ophthalmic lenses with low divergence and rotation of astigmatism  
An ophthalmic lens and a method for producing a progressive ophthalmic lens having at least one progressive surface, where by a calculation and optimization step in the production of the...
7300153 Double progressive spectacle lens  
A double progressive spectacle lens in which a first prescribed progressive surface can be freely designed. The second progressive surface is then optimized in relation to the first prescribed...
7275822 Progressive addition lenses with adjusted image magnification  
The invention provides a method for increasing the magnification of a lens without changing the dioptric power. The method of the invention uses a measurement or an estimate of an individual's...
7229173 Short corridor progressive addition lenses with reduced unwanted astigmatism  
The invention provides lenses produced by the adding of two or more surfaces, in which lenses both the length of the corridor is shortened and the maximum unwanted astigmatism is reduced.
7216977 Ophthalmic lens with progressive addition of power and prism  
The lens presents horizontal prismatic refractive power that varies progressively along the main progression meridian (MM′) with the addition of horizontal prismatic power being greater than 2...
7210780 Method for determination of an ophthalmic lens  
The subject of the invention is a method for determination by optimization of an ophthalmic lens for a wearer for whom a power addition has been prescribed. The method proposes using as a target...
7210779 Double progressive spectacle lens  
A double-progressive spectacle lens in which the progressive action is distributed over the front and rear surfaces of the double-progressive spectacle lenses and described by the quotient Q ...
7207675 Ophthalmic lens  
Progressive multifocal ophthalmic lens having a power addition prescription and presenting a complex surface having a fitting cross and a principal meridian of progression. The lens has, when being...
7192138 Ophthalmic lens with optimal power profile  
An ophthalmic lens includes an optical zone having a center and a spaced-apart periphery. The optical zone has a first corrective power range in a first region and a second corrective power range...
7168805 Method for optimizing a progressive spectacle lens  
A method of optimizing a progressive lens is described. This invention is characterized by the following steps: selecting a preset progressive lens having a preset object distance function...
7159982 Method for providing design data and system for providing design data  
A method for providing design data and a system for providing design data that enable a lens processor to manufacture a desired inner-surface progressive addition lens corresponding to prescription...
7159981 Progressive refractive power lens  
It has been difficult to manufacture an inside surface progressive-power lens which is as thin as an outside surface progressive-power lens due to a limited configuration of an object-side...
7158222 Method and device for evaluating spectacle lens or mold for molding spectacle lens, and method and system for manufacturing spectacle lens  
A dioptric power distribution measuring device ( 1 ) measures the dioptric power distribution of a target lens. A computer ( 3 ) constructs a design lens spatial model in a virtual space, and...
7150527 Progressive power semi-finished spectacle lens blanks for astigmatic presbyopes  
An optical lab is provided with a set of different progressive power semi-finished spectacle lens blanks for different combinations of base curve, add power, cylinder and axis, where each...
7144110 Double progressive spectacle lens  
A double progressive spectacle lens having a prefabricated progressive surface and a second progressive surface for correcting a spherical ametropia or a cylindrical ametropia, in which the surface...
7125118 Progressive multifocal lens and method of designing the same  
To provide a new progressive multifocal lens having eyesight corrective power and astigmatism corrective power in the same refracting interface by forming an eyeball-side refracting interface 2 ...
7090349 Single vision lenses  
Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the...
7083277 Pair of spectacle lenses  
A pair of spectacle lenses in which one spectacle lens is designed for distance vision or near vision, and the second spectacle lens is designed for another object distance.
7077985 Injection molding of lens  
A flat or curved photochromic laminate structure and a plastic photochromic lens blank can be produced in a simple and efficient manner from relatively low-cost polymeric sheet materials. These...
7066597 Balanced progressive lens  
A progressive ophthalmic lens element including a lens surface having an upper viewing zone having a surface power to achieve a refracting power corresponding to distance vision, a lower viewing...
7063421 Spectacle lens with small higher order aberrations  
A unifocal spectacle lens with an aspheric and/or atoric surface, or a progressive spectacle lens, in which the unifocal spectacle lens or the progressive spectacle lens has small higher order...
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...
7048376 Progressive addition power lens  
A progressive addition power lens with a length of the intermediate corridor in the range of 22 to 28 mm, and a clear visual region, which is defined as a region where astigmatism is 0.5 diopters...
7044601 Multifocal optical device design  
Multifocal optical device designs receive input parameters to specify a desired power distribution function, a power deviation weight function, and an astigmatism weight function over the design...
7040758 Spectacle lens  
There is provided a spectacle lens, which includes a central portion that is located at a middle section of the spectacle lens, average transmission power within the central portion being...
7033023 Progressive addition power lens  
A system and method for designing a progressive lens are provided. Mean power is specified at points distributed over the entire surface of the lens and lens height is specified around the edge of...
7033022 Progressive spectacle lens for seeing objects at a large or average distance  
A spectacle lens having in a first see-through region a power suitable for distant viewing in a wearing position, and in a second see-through region a power suitable for medium-distance viewing,...
7025455 Multifocal contact lenses having a pinhole  
The invention provides a multifocal lens that incorporates a substantially opaque ring. The lens design minimizes or eliminates ghosting of images. Additionally, the lens' performance on eye is...
7021763 Method for representing and optimizing a double-progressive spectacle lens  
A method for representing and optimizing a double-progressive spectacle lens is characterized by the following steps: selecting a suitable coordinate system K2 for the representation of a back...
7021762 Multifocal spectacle lens  
There is provided a multifocal spectacle lens having a front surface and a back surface each of the front surface and the back surface is formed as a multifocal surface or a progressive-power...
7014317 Method for manufacturing multifocal lenses  
The present invention provides a method for the manufacture of thin multifocal lenses by deposition of a high refractive index material on a lens substrate.
7008058 Progressive spectacle lens having two aspherical progressive surfaces  
A progressive spectacle lens having two aspherical and in particular progressive surfaces, i.e. surfaces contributing to the rise in the effect (addition Add.) from the distance vision portion to...
6964478 Progressive spectacle lens  
A spectacle lens is provided with a region (distance portion) designed for viewing at greater distances and, in particular, “to infinity”, a region (near portion) designed for viewing at short...
6953248 Progressive power lens  
A progressive power lens belonging to a series of lenses according to the present invention is provided. If a first lens and a second lens randomly chosen from the series of progressive power...
Matches 1 - 50 out of 249 1 2 3 4 5 >