Abstract: Ophthalmic lenses for the treatment of presbyopia may be improved to enhance the visual experience of the patient. By adjusting the optical design of presbyopic lenses to account for changes in pupil size due to the degree of myopia or hyperopia, an enhanced visual experience may be achieved independent of the level of ametropia.

Abstract: A method of forming a support member to a flexible membrane is provided by the present disclosure. In one form, the method includes placing the flexible membrane onto an outer periphery of a fixed tool, translating a movable tool towards the fixed tool, and engaging the flexible membrane such that the flexible membrane is deformed and placed into tension. A molten resin is then injected into a support ring molding cavity, and the resin is allowed to cool such that the support ring is secured to the tensioned flexible membrane. The movable tool is then translated away from the fixed tool to eject a flexible membrane and support ring assembly.

Abstract: Methods and devices are provided to obtain refractive correction with superior visual acuity (e.g., 20/10) by achieving an astigmatism-free customized refractive correction. The astigmatism-free customized refractive correction involves obtaining an objective and precise measurement of cylindrical power in a resolution between 0.01 D and 0.10 D in an eye using an objective aberrometer, reliably relating the cylindrical axis obtained from the objective aberrometer to that in a phoroptor, determining an optimized focus error of an eye through subjective refraction with a phoroptor, generating a customized refraction by combining the objective measured cylindrical power, the objective measured cylindrical axis, and the subjectively measured focus power, fabricating a custom lens with a tolerance finer than 0.09 D based on the generated customized refraction, and delivering an ophthalmic lens that can provide an astigmatism-free refractive correction for an eye.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polymerizable group containing polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.

Abstract: Polymerizable liquid compositions of the polyurethane type, consisting of two components (A) and (B), wherein component (A) contains at least one cyclo-aliphatic diisocyanate monomer or a mixture of one cyclo-aliphatic diisocyanate monomer and a pre-polymer obtained by reaction, in the presence of an acid phosphate ester catalyst, between said cyclo-aliphatic diisocyanate monomer and one or more polyols having two or more hydroxy 1 groups per molecule and a molecular weight ranging from 50 to 2,000 g/mole; the second component (B) contains one or more polyols having a molecular weight ranging from 50 to 2,000 g/mole and a functionality between 2 and 5; in the absence of polyalkoxylated tertiary diamines and organometallic catalysts, said components (A) and (B) being present in a weight ratio which varies from 1:1 to 2:1 and the process for the production of organic glass starting from polymerizable liquid compositions of the polyurethane type.

Abstract: A system includes human-wearable eyewear that utilizes an imager in communication with displays via a microprocessor to transform the central pixels of an image into a ring shaped image that may be presented on the displays. Patients with macular degeneration may be enabled to visualize the central pixels of an image using their peripheral vision. Various lenses are also disclosed for providing an optical-only solution for producing a ring-shaped image.

Abstract: Described herein are devices, compositions, and methods for improving color discernment.

Abstract: A one-piece lens is made from optical material and includes an outside part and an inside part, in which the inside parts comprise a surplus amount of the same optical material as the lens, for the purpose of cutting ophthalmic lenses, said surplus material being positioned close to the central part of the lens.

Abstract: An optical article includes a substrate having a main surface coated with an antireflection coating and, directly contacting the antireflection coating, a precursor coating of an antifog coating obtained through the grafting on the antireflection coating of at least one compound B bearing a polyoxyalkylene group, the coating precursor of the antifog coating being coated with a surfactant film so as to form an antifog coating. The surfactant film contains at least one surfactant A having a sorbitan ring hydroxyl groups functionalized with OH-terminated polyoxyalkylene groups and R1 groups of formula: —(RdO)z—(Y)n2—R?, in which Rd is an alkylene group, z is an integer >1, Y is a divalent group, n2 is 0 or 1 and R? is a saturated hydrocarbon group having 12 to 1 9, preferably 1 3 to 19 carbon atoms. Surfactants A provide a visual indication whether or not the antifogging effect will still be long-lasting.

Abstract: An electrically controllable optical component (10) comprises a transparent array of cells (3) and two transparent electrodes (5a, 5b) which are parallel and lying opposite each other on either side of the array of cells. Certain of the cells located between the two electrodes contain different electroactive materials, so that said cells exhibit different respective variations in at least one optical quantity in response to an electrical signal applied to the electrodes. An optical function is thus temporarily conferred on the component, resulting from gradients in the optical quantity that are formed parallel to the surface of the component.

Abstract: Soft contact lens having regions of a material forming one or more higher modulus of elasticity zones in the peripheral region of the lenses add stiffness to the contact lenses. This increased stiffness in different zones or regions enable the contact lens to be more easily handled and make it less likely to fold in on itself.

Abstract: The subject invention provides lenses, and methods for designing and manufacturing these lenses, with reduced chromatic aberration. Advantageously, these lenses are specifically designed to correct chromatic aberration that results as multichromatic light passes through the lenses.

Abstract: An optical article comprising: an optical base material; and a translucent layer that contains TiOx (0<x?2), the translucent layer is formed on the optical base material either directly or via some other layer, and the translucent layer has an argon concentration higher on a surface side of the translucent layer than on an optical base material side of the translucent layer.

Abstract: The present invention is directed to a composite lens, comprising an anterior rigid gas permeable layer, and an annulus of soft material bonded to a posterior surface of the anterior rigid gas permeable layer, wherein a central zone of the composite lens is rigid and without a soft layer, wherein a peripheral zone of the composite lens is generally rigid in its anterior aspect and soft in its posterior aspect.

Abstract: Provided herein is a computer program product comprising a non-transitory computer-readable medium storing an algorithm to optimize a wavefront guided correction for a custom ophthalmic lens. The correction is determined from inputs of quantified wavefront error and registration uncertainty and a metric predictive of a visual performance task of interest and provides a level of visual performance within a user-defined performance range. Also provided is a method for optimizing a wavefront guided correction for a custom ophthalmic lens via inputting residual wavefront error values and quantified translational and rotational movements into an algorithm configured to determine the optimal wavefront guided correction therefrom and a custom ophthalmic lens comprising the correction.

Abstract: A central area of a lens is defined with a central perimeter coinciding with a perimeter of a frame, a temporal line divides the central area into a nasal area and a temporal area, a useful perimeter is formed from the nasal area and the temporal line, a useful area is delimited by the useful perimeter, and a prescription is determined for the user. The temporal line is outside a cone with at least a 30° opening, an apex of which is in a center of rotation of a user's eye, which is an optical axis. A lens thickness is optimized according to the thickness of the perimeter of the nasal area. Subsequently a transition area is defined extending between the useful perimeter and an external perimeter of the lens.

Abstract: An optical member includes a substoichiometric titanium oxide film formed by depositing substoichiometric titanium oxides in a vacuum chamber into which an oxygen gas for adjusting a vacuum is introduced. In the optical member, the film forming pressure p (Pa) in the vacuum chamber and the optical film thickness (a refractive index of 2.50, a wavelength of 500 nm) of the substoichiometric titanium oxide film have relations of (1) p?0.005, (2) optical film thickness ?0.500?, and (3) optical film thickness ?(0.001exp(905.73p)?0.050)? where exp is an exponential function with e as the base of the natural logarithm.

Abstract: Apparatuses and methods of shuttering glasses are disclosed. One apparatus includes a first lens operable to blank for a first blocking time, a second lens operable to blank for a second blocking time, and a controller for controllably setting at least one of the first blocking time and the second blocking time.

Abstract: Embodiments of the present invention relate to eyewear having an electrically switchable spectral transmittance lens(es). The eyewear includes a lens driver that controls the variable spectral transmittance lens(es). The lens driver is functional to alter a duration of a spectral transmittance state based on a desired frequency and/or duty cycle of the spectral transmittance state. A user may provide an input indicating the desired level of difficulty provided by the eyewear, wherein the input may indicate that the frequency, the duty cycle, or a combination of the two should be changed.

Abstract: For manufacturing ophthalmic lenses and other optical form bodies made of plastic material, plastic form parts are used which are made by non-cutting shaping and are then further worked by mechanical production steps. Said plastic form parts are circular blanks (1) made of two different plastic materials which are firmly joined to each other. Thereby, an interior lens element (2) that consists of a high-quality material is concentrically surrounded by a ring fixture (3) which consists of a low priced material. Either surface of the lens element (2) may feature any given geometry. During mechanical working, the ring fixture (3) is used for mounting as well as for depositing and, in addition, for stabilizing the workpiece (9). For this reason it is partially maintained throughout the mechanical working and is cut off at the end only.

Abstract: A lens in accordance with the present invention includes an switchable cell consisting of optical substrate with diffraction surface, elastic film in contact with the diffraction surface of the substrate, optical fluid that fills the space between the film and diffraction surface and the mean to transfer the optical fluid in and out of the space between the film and diffraction surface. The refractive index of the optical fluid matches the refractive index of the optical substrate. The switchable cell changes focus positions between refractive focus in relaxed state when the pressure at both sides of the film is the same and diffraction focus when the optical fluid is transported from the space between the film and optical substrate for the film to largely conform to the diffraction surface shape of the optical substrate.

Abstract: A method of making a protective shield is provided. The method comprises molding an arcuate lens blank having an optical center displaced from an apex of the lens to a position near or beyond the edge of the protective shield. This reduces the object shift as wearer of the lens shifts gaze from a normal straight ahead line of sight to an activity specific line of sight that is vertically displaced from the normal straight ahead line of sight.

Abstract: A device for demonstrating and comparatively testing the effectiveness of an antireflection treatment for an ophthalmic lens, the device comprising an image (2, 20) and a mirror (3, 30). According to the invention, the device further comprises a part (1, 10) having a first face (1A, 10A) for supporting said image (2, 20), a second face (1B, 10B) for supporting said mirror (3, 30) substantially perpendicularly to said first face, and a third face (1C, 10C) for positioning at least one ophthalmic lens, the third face being situated. facing said second face and being provided with a positioning arrangement for positioning said lens (4?, 4?, 40), the arrangement comprising at least one orifice (4A, 4B, 40A) arranged in said third face facing said mirror, in such a manner that when a user looks through said orifice, the user can see the resulting reflection of said image on said lens by means of said mirror (3, 30).

Abstract: A scleral lens is provided with a sodium channel blocker or a sodium channel modulator disposed in the pre-corneal tear film between the scleral lens and the cornea. This system can be used to deliver sodium channel blockers or a sodium channel modulators not currently used because of poor bioavailability. Methods of using this sodium channel blocker delivery system or a sodium channel modulator delivery system are also disclosed.

Abstract: Sets, kits or stocks of anti-myopia contact or spectacle lenses, along with methods for their use, that do not require a clinician to measure peripheral refractive error in the eyes of myopic patients. Extensive surveys have shown that lenses having peripheral powers or defocus set in accordance with central corrective power will cover almost all normal myopes not worse than ?6 D central refractive error. In one example, a kit or set of lenses (50, FIG. 15) can have multiple parts or sub-sets (52, 54) each comprising a compartmented container (56a, 56b) with lenses (58a, 58b) arranged according to increments of central corrective power (59a, 59b). The lenses (58a) of the first part (52) have four steps (60a, 61a, 62a, 64a) of peripheral power or defocus to pro vide therapeutic effect and, while the lenses (58b) of the second part (54) also have four steps (60b, 61b, 62b, 64b), the level of therapeutic effect is higher.

Abstract: Eyewear is equipped with at least one lens and at least one pinhole aperture. Lenses and apertures may be used in place of or in combination with one another, and may be disposed in or on full frame, half frame, wire frame or rimless eyeglasses. The lens may be a corrective lens. Pinhole apertures may have a diameter no greater than about 3 mm, and a diameter/thickness ratio no less than about 66.7%.

Abstract: This invention provides for the fabrication of ophthalmic lenses via the utilization of DMD shows and/or DMD files. More specifically, the use of the DMD shows and/or DMD files to generate lens precursor designs comprising described features to form part of a substructure for the fluid reactive media portion of the lens precursor and wherein the lens precursor can generate particular ophthalmic lens designs in a free-form manner using methods described herein.

Abstract: Continuous Adjustable Pulfrich Filter Spectacles are provided with lenses with continuously changeable optical densities, so that viewing of 2D movies is optimized for visualization in natural 3D. Method and means are disclosed for the continuous Adjustable Pulfrich Filter Spectacles to perform two independent optimizations to achieve optimized 3Deeps visual effects on 2D movies. First they compute the optical density setting of the lenses for optimal viewing of 2D movies as 3D. Then they continuously render the lenses of the spectacles to these optical densities optimized for characteristics of the electro-optical material from which the lenses of the spectacles are fabricated. The invention works for both 3DTV and 3D Cinema theater viewing.

Abstract: The present invention is drawn to an optical article comprising: (a) a polycarbonate substrate, (b) a non-tintable intermediate coating, and (c) a transparent self-healing outer coating obtained by drying and curing a composition comprising at least one polycarbonate polyol, at least one polyisocyanate, at least one solvent and at least one surfactant.

Abstract: The present invention is drawn to an optical article comprising (a) a transparent optical substrate and (b) a transparent coating, said transparent coating being the outermost coating of the optical article and consisting essentially of a polythiol-ene matrix obtained by curing a liquid monomer mixture comprising at least one polyfunctional thiol and at least one polyfunctional allyl monomer, said cured polythiol-ene matrix having a glass transition temperature comprised in the range of from 40° C. to 70° C., and from 0.5 to 7% by weight of conductive mineral colloids homogeneously dispersed therein. It is also drawn to a method for preparing such an optical article and to a method for repairing scratches on such an optical article by heating.

Abstract: A method of transferring a portion of a functional film (1) onto a substrate from a base plate (100) comprises the formation of a groove (S1) which passes through the said functional film and also a separating film (2) placed between the functional film and the base plate. A portion (2p) of the separating film is then detached from the base plate with the portion of the functional film. The portion of said separating film protects the portion of the functional film in the rest of the method. According to one improvement, the portion of the functional film which is detached from the base plate comprises a useful portion (1p) and a margin (1m) that are connected together by the portion (2p) of the separating film. The useful portion (1p) of the functional film may then be gripped and handled via the margin (1m).

Abstract: A method for tracking ophthalmic lens care compliance, said method comprising the steps of: including at least one sensor with said ophthalmic product for monitoring at least one ambient condition and for logging and recording at least one reading associated said at least one ambient condition, following a predetermined event; determining whether said at least one reading exceeds at least one predetermined threshold, and issuing an alert when said at least one reading exceeds at least one predetermined threshold.

Abstract: Ophthalmic lenses and methods for their design and use involve displacement functions based on the sum of a continuous cosine function and a continuous sine function, optionally over a plurality of echelettes. Exemplary monofocal and multifocal diffractive ophthalmic lenses provide reduced light scatter and/or improved light energy distribution properties. Such properties can be provided by diffractive profiles, often having subtlety shaped echelettes with appropriately curving profiles. Light scatter may be generated by the sharp corners associated with vertical steps between adjacent conventional diffractive echelettes. Smooth diffractive profiles of the invention reduce light scatter. Light energy directed toward non-viewing diffractive orders may have a unwanted effects on vision quality. Diffractive profiles as described herein may limit the light energy in certain, selected orders, thereby improving viewing quality and mitigating unwanted effects such as dysphotopsia.

Abstract: This invention relates to an ophthalmic lens with a low reflection both in the ultraviolet region and in the visible region, comprising a substrate provided on its rear main face with a multilayered antireflective coating (3-7 layers) comprising a stack of at least one layer with a high refractive index and at least one layer with a low refractive index, having a mean reflection factor on the rear face in the visible region Rm lower than or equal to 1.15%, a mean light reflection factor on the rear face in the visible region Rv lower than or equal to 1%, a mean reflection factor RUV on the rear face between 280 nm and 380 nm, weighted by the function W(?) defined in the ISO 13666:1998 standard, lower than 5%, for angles of incidence of 30° and 45°, the antireflective coating outer layer being a silica-based layer. The lens according to the invention does especially prevent the reflection of the UV radiation produced by light sources located behind the wearer.

Abstract: Embodiments of the present invention relate to curved eyewear having an electrically switchable spectral transmittance lens. The lens is curved in orientation, which aids in reducing eyelash contact while increasing a peripheral field of view for a wearer of the curved eyewear. The electrically switchable spectral transmittance lens, in an embodiment, includes a plurality of zones that may be switched in-phase or out-of-phase with each other depending on an activity being performed. Another embodiment utilizes a shatter-resistant material for constructing the lens. Further embodiments utilize a frame member that includes a curved channel for forming the curved orientation of the lens and for maintaining the lens in a desired position relative to a wearer.

Abstract: An aspect of the present invention relates to an eyeglass lens, which comprises an outermost layer in the form of a water-repellent vapor deposition film formed by vapor depositing a vapor deposition material in the form of a perfluoropolyether-modified silane compound denoted by general formula (I): wherein, in general formula (I), R1 denotes an alkyl group with 1 or 2 carbon atoms, x denotes 1 or 0, R2 denotes an alkoxy group with 1 or 2 carbon atoms, R3 denotes a hydrogen atom or a phenyl group, and n denotes an integer ranging from 10 to 40.

Abstract: A method for determining target optical functions for a pair of ophthalmic lenses is provided, the method comprising steps of: generating a first target optical function (OFT1) for a first lens of the pair based at least on data relating to a first eye, generating a second target optical function (OFT2) for a second lens of the pair based at least on data relating to the first eye. This method makes it possible to obtain optical functions having improved symmetry. Thus, when using the target optical functions in an optical optimization method, lenses with improved binocular properties can be obtained. The comfort of the wearer of the pair of lenses is thus improved.

Abstract: Apparatus and methods to increase the depth of field in human vision in order to correct for loss in refocusing ability. Optics variations, such as changes in thickness, shape, or index of refraction of contact lenses, intraocular implants, or the shape of the cornea or eye lens, affect the phase, or wavefront, of the light perceived by the eye. The optics variations are chosen such that the resulting optical transfer function remains relatively constant over a desired range of object distances and pupil diameters.

Abstract: A protective lens for vision correction is revealed. The protective lens for vision correction includes a plano lens area and an optical lens area. The optical lens area is a round area whose diameter ranging from 3 cm to 5 cm. After the protective lens being cut and mounted in an eyeglass frame, the optical lens area is corresponding to eyes of users. The optical lens area is a concave lens or a convex lens. Thereby users with vision correction needs can wear the protective lens for vision correction conveniently and the protective lens with vision correction function is easy to use.

Abstract: An ophthalmic lens including: a prescription control point (P); an upper area having, relative to the point (P), and average-power continuous variation ?PuiSup that is monotonous between the point (P) and the point (Psup) (maximum variation point in absolute value) where the signed value of the variation ?PuiSupMax=Pui(Psup)?Pui(P) is between ?0.1 and ?0.4 dioptres; a lower area having, relative to the point (P), an average power continuous variation ?Puinf that is monotonous between the point (P) and the point (Pinf) (maximum variation point in absolute value) where the signed value of the variation ?PuiinfMax=Pui(Pinf)?Pui(P) is between +0.1 and +0.4 dioptres; the average power gradient being lower than 4.10?2×?Puitotal, where ?Puitotal=|?PuisupMax|+?PuiInfMax. Such a lens advantageously takes the accommodative dynamics of the eye into account and increases the visual comfort of the wearer.

Abstract: An optical device with at least one interconnection tab is provided. The optical device includes a pair of opposed substrates with a gap therebetween filled with an electro-optic material. Each substrate has a facing surface with a substrate electrode disposed thereon. A sealing material is disposed between the pair of opposed substrates to contain the electro-optic material. At least one interconnection tab is interposed between the substrates. The interconnection tab includes an insulator layer with opposed surfaces. A tab electrode is provided on each surface, wherein each tab electrode is in electrical connection with a corresponding substrate electrode facing the tab electrode. And a pad electrode is also provided on each surface, wherein each pad electrode is in electronic connection with the substrate electrode facing the opposed surface of the insulator layer.

Abstract: The present invention relates to a spectacle lens comprising a first lens element and a second lens element, the first lens element having a front surface and a back surface that comprises a first back surface region and a second back surface region, the at least one second lens element comprising a front surface and a back surface, the second back surface region of the first lens element and the front surface of the second lens element being contiguous, a front surface of the spectacle lens being formed by the front surface of the first lens element and a back surface of the spectacle lens being formed in a base region by the first back surface region of the first lens element and in an achromatic region by the back surface of the at least one second lens element, the first back surface region of the first lens element having a first tangent at at least one first transition point between the base region and the achromatic region in a first cross-sectional plane of the spectacle lens, the back surface of the

Abstract: This invention discloses methods and apparatus for providing a biomedical device, such as an ophthalmic lens with an energy receptor capable of powering a processing device. More specifically, this invention discloses a polymerized ophthalmic lens wherein the energy receptor is included within the lens through use of a binder layer. The energized ophthalmic lens may be activated and operated while the ophthalmic lens is in use on an eye.

Abstract: The present invention relates to photochromic materials that include certain indeno-fused naphthopyrans. The indeno-fused naphthopyrans have an amino group (e.g., a piperidino or morpholino group) bonded to the 6-position and hydrogen or a halo group (e.g., fluoro) bonded to the 11-position thereof. The photochromic materials of the present invention can have a closed-form electromagnetic radiation absorption spectrum that is shifted to longer wavelengths (e.g., wavelengths of greater than 390 nm), relative to comparable photochromic materials. The present invention also relates to optical elements, such as eyeglasses, that include the photochromic materials of the present invention.

Abstract: A method for producing a series of base lenses, which cover a predetermined power range, wherein each base lens of the series has a base power different from the base powers of the other base lenses of the series, and has at least one diffractive base grating, the method comprising: specifying the base powers of each base lens of the series; and calculating the base grating of each base lens of the series so as to minimize the color fringe of the respective base lens with the specified base power in a predetermined region of the spectacle lens.

Abstract: Modular eyewear includes a frame and lens assemblies insertable into and removable from the frame which has a rim located between a bridge and each of two temples. Each rim includes a front face, a groove adjacent to the bridge, and an indentation adjacent to the temple. Attached along each of the groove and the indentation are frame magnets. The lens assemblies include a lens having a perimeter surrounding a body with front and rear surfaces. A tab is applied to and extends from the front surface of each lens at the perimeter. Magnetic couplings are attached along a first portion of the perimeter behind the tab and along a second portion of the perimeter, respectively. When the eyewear is assembled, the frame magnets magnetically attach to the corresponding magnetic couplings, and the tab is inserted into the indentation to fill the indentation flush with the frame front face.

Abstract: A method for producing a semi-finished product for a plus or minus power lens having a toroidal or atoroidal back that is configured as a prescription surface. According to the method, a blank having a diameter DR and a front having a radius of curvature rV is fixed on its front for the purpose of machining the back and is subjected to cutting, the prescription surface being produced only across a part of the diameter D.

Abstract: The invention relates to an article comprising a substrate coated with a mesoporous coating and a coating acting as a barrier to sebum, having a thickness lower than or equal to 20 nm, directly deposited on the mesoporous coating, and comprising at least one silica-based layer, said silica-based layer having a thickness of at least 5 nm, comprising at least 90% by weight of silica, relative to the layer total weight, and having been deposited by physical vapor deposition. The invention also relates to a method for preparing such an article and to the use of a coating acting as a barrier to sebum as defined above in order to prevent the penetration of sebum into the porosity of a mesoporous coating formed on a main surface of the substrate of an article.

Abstract: Ophthalmic lens including at least one spherical face with an optical center and a geometrical center, and having in succession a top vision region, an intermediate vision region and a bottom vision region, with a principal meridian of progression traversing the three vision regions of the aspherical face, the lens being noteworthy in that the top vision region is adapted for mid-distance vision, the bottom vision region is adapted for near-distance vision, and the intermediate vision region is adapted for intermediate distance vision, and in that the optical center of the aspherical face is in the intermediate vision region, the optical center coinciding with the geometrical center of aspherical face. This lens is particularly suitable for people with emmetropic longsightedness.

Abstract: Method for converting a composition into thermoplastic polyurethane, said composition comprising polyurethane resin, said method comprising the steps of combining the composition with a chemical compound, and converting said mixture into thermoplastic polyurethane, characterized in that said chemical compound is 1,4-Di(2,6-dibromo-4-methylphenylamino) anthracene-9,10-dione. Article obtained according to this method.