Abstract: A mask is provided that is configured to increase the depth of focus of a patient. The mask can include an aperture configured to transmit along an optical axis substantially all visible incident light. The mask can further include a portion surrounding at least a portion of the aperture. The portion may be configured to be substantially opaque to visible electromagnetic radiation and be substantially transparent to electromagnetic radiation transmitted from an ocular examination device (e.g., substantially transparent to at least some non-visible electromagnetic radiation with a wavelength between about 750 nm and about 1500 nm).

Abstract: A plastic polarized lens including a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from polybutadiene having a hydroxyl group on the terminal and a structural unit derived from diphenylmethane diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a defined thiourethane-based resin, which is formed over at least the coat layer. A method of producing a plastic polarized lens, a urethane-based resin-coated polarized film and a method of producing a urethane-based resin-coated polarized film are also provided.

Abstract: An ophthalmic lens comprising a substrate is provided with the lens having a transmission spectrum such that the mean transmission value in the wavelength range between 380 nm inclusive and 780 nm inclusive is less than 60%, the mean transmission value at wavelengths less than or equal to 400 nm is less than 1%, the mean transmission value at wavelengths greater than 400 nm inclusive and less than 500 nm inclusive is less than 30% with a transmission minimum of less than 10% between 425 nm and 445 nm inclusive and the mean transmission value in the wavelength range between 400 nm and 500 nm has a first transmission maximum located between 405 nm and 425 nm.

Abstract: Techniques for integrating photovoltaics into wearables, such as eyewear, are provided. In one aspect, a method of forming a lens for photovoltaic eyewear includes: forming a semitransparent photovoltaic film on at least a portion of a viewable area of the lens, wherein the semitransparent photovoltaic film includes an inorganic absorber material having a band gap of from about 1.4 eV to about 2.2 eV, and ranges therebetween. The semitransparent photovoltaic film can be configured to block greater than about 99.9% UVA, UVB, and UVC light rays, and from about 95% to about 99%, and ranges therebetween, of HEV light rays from passing therethrough. Photovoltaic eyewear formed by the present techniques is also provided.

Abstract: The ophthalmic lens includes a substrate, the substrate having a rear face and a front face, and at least one external interferential coating, the at least one interferential coating being such that it enables to selectively reflect light arriving on the rear face with a local maximum of reflection of at least 10% for a wavelength within the range between 450 nm and 490 nm.

Abstract: An adjustable clip-in prescription lens insert assembly for wrap around style frames used in industrial, construction, recreational activities and in the medical arts. The clip-in prescription lens insert assembly has an adjustable and pliable brow bar structure and adjustable and pliable clip members to form and fix the prescription lens insert into wrap around style frames. The brow bar and clip member structures are mounted in connector tubes fixed to the lens frames of the lens and insert assembly and are preferably constructed of a metal or metal alloy having shape memory properties.

Abstract: Provided is an optical lens having a pattern formed therein to be used as a spectacle lens, wherein the pattern can be viewed from outside while the field of vision of the wearer can be ensured without discomfort. An optical lens includes a lens substrate, an antireflection film arranged to cover the side of one principal surface of the lens substrate, and a transparent pattern formed by a light transmissive material and arranged in a position where the transparent pattern is to be laminated to the antireflection film; wherein the transparent pattern is visible when viewed from the side of the one principal surface of the lens substrate. The antireflection film has a structure formed by alternately laminating a low refractive index film and a high refractive index film. The transparent pattern is arranged between the layers of the antireflection film, or above or below the antireflection film.

Abstract: An apparatus, system and method for providing an optical filter for an intraocular lens. The apparatus, system and method may include at least one optical filtering layer applied to at least one surface of the optic, wherein the optical filtering layer may at least partially filter light through the intraocular lens. The at least one optical filtering layer may include different types of optical filters including a neutral density filter, a chromatic filter, a photochromatic filter, and a polarizing filter. These filters may be used to reduce the transmission of light through the intraocular lens.

Abstract: An improved dual-filter lens for protective eyewear that combines a first filter for blocking essentially 100% of UV light, and second filter for filtering blue light. The first filter may comprise a multi-layered dielectric mirror layer 14 or Rugate filter 50, and the second filter may comprise dye-impregnated lens layer(s) 16, 18 or Rugate filter 50. The first filter blocks essentially 100% of UV light, while the second filter establishes an increasing transmission profile that cuts on sharply at approximately 415 nm, and establishes an increasing transmission profile between approximately 415 nm to about 475 nm. The cut-on slope rises approximately 0.15% in transmissivity for every nanometer of increasing wavelength change, with a maximum filtering effect within the 440-465 nm range. These dual filters provide a balanced light transmission profile that reduces harmful tight transmission and prevents macular degeneration, cataracts and other ocular injuries, while still preserving visual acuity.

Abstract: In order to allow for easy judgment of performance of optical material having a prescribed function, provided is a transmitted light observation apparatus comprising a light emitting section that generates light including light of a prescribed wavelength; a holding section that holds a first test material and a second test material arranged respectively in optical paths of the light generated by the light emitting section; and a reflecting portion that reflects at least a portion of the light transmitted respectively through the first test material and the second test material. Transmittance of the first test material for the light of the prescribed wavelength is different from transmittance of the second test material for the light of the prescribed wavelength. The light of the prescribed wavelength has a wavelength from 380 nm to 500 nm.

Abstract: Ophthalmic lens including a base of polymeric material with a coating having an interferential, anti-reflective, anti-iridescent and infrared filter multiple layer structure. An interphase, a first layer (of 91-169 nm) with a refraction index higher than 1.8, a second layer (of 128-248 nm) with a refraction index lower than 1.65, a third layer (of 73-159 nm) with a refraction index higher than 1.8 and a fourth layer (of 40-138 nm) with a refraction index lower than 1.8. A total thickness of the multiple layer structure is less than 600 nm. The structure can have intermediate layers with intermediate refraction indices, in which case a doublet of two adjacent layers that fulfil the thicknesses above is replaced by a triplet so that the thickness and an optical thickness of the triplet differ from those of the doublet by less than 5%, respectively.

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

Abstract: A system for facilitating a consumer's selection of customized color-changing lenses for eyewear, or windows, captures a digital color image of at least the face of the consumer and displays that color image to the consumer on a video display while superimposing a pair of lenses over the eyes. The display simulates the color of the superimposed lenses when made of a selected photochromic or thermochromic material. The color of the superimposed lenses is changeable, in response to consumer-controlled inputs, over a range between (a) an initial color for the lenses when subjected to at least one of (i) a first predetermined temperature and (ii) a first predetermined light condition, and (b) a final color for said lenses when subjected to at least one of (i) a second predetermined temperature higher than said first predetermined temperature and (ii) a second predetermined light condition brighter than said first predetermined light condition.

Abstract: Contact lenses incorporating asymmetric radial power profiles that increase the radial dioptric power from the center to the margin of the optical zone of the lenses may be utilized to prevent and/or slow myopia progression. The power profiles vary along different meridians.

Abstract: Devices having an optical element with a luminescent compound dispersed in a matrix material can be used for improving color discernment. Compositions and methods related to preparing and using these devices are also detailed in this disclosure.

Abstract: An imaging lens unit is presented, comprising an imaging lens having a lens region defining an effective aperture, and a phase coder. The phase coder may be incorporated with or located close to the lens region. The phase coder defines a surface relief along the lens region formed by at least three phase patterns extending along the lens region. Each of the phase patterns differently affecting light components of one of at least three different wavelength ranges while substantially not affecting propagation of light components of other of said at least three wavelength ranges. The surface relief affects light propagation through the lens region to extend a depth of focus for at least one of said at least three wavelength ranges.

Abstract: The invention provides to methods for diagnosing eye-length related disorders, including myopia. The invention also provides methods for treating and limiting eye-length related disorders, including myopia. In addition, the invention provides certain haplotypes associated with eye-length related disorders, including myopia and Bornholm Eye Disease.

Abstract: Various embodiments of the present invention provide systems, methods, and processes for constructing a contact lens. In one embodiment, a contact lens assembly is provided, comprising: a curved polymer polarizer with an aperture; a lenslet disposed inside the aperture, wherein the lenslet enables imaging near objects; and a filter attached to the lenslet. In further embodiments, a method for fabricating a flexible contact lens is provided, comprising: fabricating an element having an extrusion; providing a front concave mold, wherein the front mold has an intrusion to accommodate the extrusion of the optical element; affixing the extrusion of the optical element to the intrusion of the front mold; attaching a back convex mold to the front concave mold, thereby forming a mold cavity; and filling the mold cavity with a pre-polymerized liquid, whereby upon polymerization, the pre-polymerized liquid forms the flexible contact lens and the optical element is partially encapsulated within the lens.

Abstract: The present applications describes, inter alia, a retinal light management system that allows for removal of dangerous wavelengths of light while controlling the intensity of the remaining light that is allowed to pass to a user's eyes. In one embodiment, the system involves a pair of glasses that include filters that can be modified in the presence of light to reduce total light intensity reaching a diabetic's eyes.

Abstract: Method for producing a plastic film containing a compound absorbing ultraviolet radiation comprising (a) depositing an alcoholic solution of polyvinyl butyral on a transparent plastic support film, (b) evaporating the solvent from the alcoholic solution of polyvinyl butyral so as to form a polyvinyl butyral layer on the transparent support film, (c) printing the polyvinyl butyral layer with an ink absorbing ultraviolet radiation (UV absorber) in a pattern, (d) heating the transparent plastic support film, coated with the printed polyvinyl butyral layer so as to enable at least part of the UV absorber to pass from the polyvinyl butyral layer to the plastic support film, (e) removing the polyvinyl butyral layer, preferably by washing with a suitable solvent. The application also relates to the film obtained by this method and the use of this film for producing a photochromic element with a spatially non-uniform behavior.

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: Some embodiments provide a lens including a lens body and an optical filter configured to attenuate visible light in a plurality of spectral bands. Each of the plurality of spectral bands can include an absorptance peak with a spectral bandwidth, a maximum absorptance, and an integrated absorptance peak area within the spectral bandwidth. An attenuation factor obtained by dividing the integrated absorptance peak area within the spectral bandwidth by the spectral bandwidth of the absorptance peak can be greater than or equal to about 0.8 for the absorptance peak in each of the plurality of spectral bands.

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. As a result of changing a perceived level of difficulty presented by the eyewear, a wearer of the eyewear may train his or her visual abilities to provide a competitive advantage. The input may be received at a receiving module as a remote signal from the user or a third party.

Abstract: A method and apparatus for increasing the depth of focus of the human eye is comprised of a lens body, an optic in the lens body configured to produce light interference, and a pinhole-like optical aperture substantially in the center of the optic. The optic may be configured to produce light scattering or composed of a light reflective material. Alternatively, the optic may increase the depth of focus via a combination of light interference, light scattering, light reflection and/or light absorption. The optic may also be configured as a series of concentric circles, a weave, a pattern of particles, or a pattern of curvatures. One method involves screening a patient for an ophthalmic lens using a pinhole screening device in the lens to increase the patient's depth of focus. Another method comprises surgically implanting a mask in the patient's eye to increase the depth of focus.

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 spectacle lens has a colored mark, a colored graphics image with a predeterminable color and brightness impression. The spectacle lens includes a lens body having a light-refracting effect and having a surface with an interference layer system arranged on the surface.

Abstract: A filter or lens for common optical apparatus includes a clear center portion and an attenuating peripheral portion where the peripheral portion attenuates off-axis images and passes on-axis images with high signal to noise ratios yet not completely blocking the off-axis images, which lens is well suited for reducing off-axis glare in the optical apparatus that may be handheld optical apparatus such as binoculars, telescopes, cameras, and eyeglasses.

Abstract: An adaptive liquid crystal lens system comprising a first substrate assembly, a second substrate assembly having a continuous phase profile, and a liquid crystal layer disposed between the first and second substrate assemblies. The first substrate assembly includes a first transparent substrate, an alignment layer, and a first conductive layer. The first conductive layer is disposed on the bottom surface of the first transparent substrate and adjacent to the top surface of the alignment layer. The second substrate assembly includes a second transparent substrate, a lens having a grooved surface, and a second conductive layer. The second conductive layer is a continuous layer adjacent to the lens. The liquid crystal layer is received in the grooves of the lens, and is adjacent to the bottom surface of the alignment layer. The alignment layer causes the liquid crystal material in the liquid crystal layer to be in a homeotropic state.

Abstract: The present invention relates to a method for tinting optical films comprising: (a) coating onto an optical film a liquid coating composition comprising, in a water miscible organic solvent, 1 part of cellulose acetate butyrate (CAB), from 0.1 to 2 parts by weight of dicyclohexyl phthalate, from 0.1 to 1 part by weight of isocyanato-alkyltrialcoxysilane, and at least 0.5 moles of H2O per mole of hydrolysable alcoxy groups of isocyanatoalkyltrialcoxysilane, (b) submitting said coated composition to a drying step so as to form an image-receiving CAB layer on the optical film, (c) printing the dried image-receiving CAB layer with a sublimation dye by means of a thermal transfer printer, (d) submitting the resulting printed film and image -receiving CAB layer to a thermal treatment so as to transfer the printed sublimation dye from the image-receiving layer to the underlying optical film, and (e) removing the image-receiving CAB layer by means of a suitable solvent.

Abstract: This invention provides for a forming optic used for the manufacture of at least one customized ophthalmic lens in a single optical quality surface. In some embodiments, the forming optic can include a mandrel with the optical quality forming surface portion that includes different shapes, design features and surface characteristics. In addition, in some embodiments of the invention a coating or monolayer is provided to provide lens edge properties desired.

Abstract: An improved dual-filter lens for protective eyewear that combines a first filter for blocking essentially 100% of UV light, and second filter for filtering blue light. The first filter may comprise a multi-layered dielectric mirror layer 14 or Rugate filter 50, and the second filter may comprise dye-impregnated lens layer(s) 16, 18 or Rugate filter 50. The first filter blocks essentially 100% of UV light, while the second filter establishes an increasing transmission profile that cuts on sharply at approximately 415 nm, and establishes an increasing transmission profile between approximately 415 nm to about 475 nm. The cut-on slope rises approximately 0.15% in transmissivity for every nanometer of increasing wavelength change, with a maximum filtering effect within the 440-465 nm range. These dual filters provide a balanced light transmission profile that reduces harmful light transmission and prevents macular degeneration, cataracts and other ocular injuries, while still preserving visual acuity.

Abstract: Various embodiments of computer eyewear include optical treatments to provide a relaxing, calming, and soothing light environment for the eye. Certain embodiments of computer eyewear include a frame and two lenses. Each lens in these embodiments has optical power in the range from about +0.1 to about +0.5 diopters, and provides spectral filtering characterized by a transmission curve. The transmission curve includes a stop band portion positioned between about 320 nm to about 400 nm, a first plateau region positioned between about 420 nm to about 450 nm, a ramp region positioned between about 470 nm to about 560 nm, and a second plateau region positioned between about 570 nm to about 680 nm.

Abstract: A new type of lens for eyeglasses and a method for obtaining the same. The lens is composed of a transparent substrate; a composite layer disposed between the substrate and a layer of precious metal, such as gold, the composite layer is composed of at least two layers. A combination for the composite layer is an anti-reflective layer applied directly to the substrate and made of a metal such as chromium; the anti-reflective layer is advantageously made of silicon oxide.

Abstract: A method and apparatus for increasing the depth of focus of the human eye is comprised of a lens body, an optic in the lens body configured to produce light interference, and a pinhole-like optical aperture substantially in the center of the optic. The optic may be configured to produce light scattering or composed of a light reflective material. Alternatively, the optic may increase the depth of focus via a combination of light interference, light scattering, light reflection and/or light absorption. The optic may also be configured as a series of concentric circles, a weave, a pattern of particles, or a pattern of curvatures. One method involves screening a patient for an ophthalmic lens using a pinhole screening device in the lens to increase the patient's depth of focus. Another method comprises surgically implanting a mask in the patient's eye to increase the depth of focus.

Abstract: Eyewear for wearing on a person's head, the eyewear having a lens section for positioning in front of the wearer's eyes, wherein part of the lens section allows viewable light to pass through and part of the lens section blocks viewable light from passing through thereby focusing the wearer's attention away from regions of a viewed person.

Abstract: Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses comprise a polyvinylalcohol polarizer film laminated with triacetate on both sides, wherein the polarizer film has a polarizing efficiency equal to or exceeding 99% and a transmittance percentage equal to or exceeding 35% and a retarder film (e.g., norbornene copolymer resin) laminated on a front surface of the polyvinylalcohol polarizer film laminated with triacetate and aligned to produce a desired circular polarization responsive to specified retardation wavelengths.

Abstract: A spectacle lens (2) has an antireflective coating (1). The antireflective coating (1) produces a residual reflection appearing color-neutral not only under illumination with a natural daylight spectrum, but also under an illumination with an illumination spectrum deviating from the natural daylight spectrum. A method for making a spectacle lens (2) having an antireflective coating (1) is described in which an optical lens (2a) is provided and a layer sequence of layers (3, 4, 5, 6, 7, 8, 9) with alternately high and low refractive material forming the antireflective coating (1) is applied to the optical lens. The antireflective coating (1) is applied with the proviso that the antireflective coating (1) produces a residual reflection appearing color-neutral not only under illumination with a natural daylight spectrum, but also under an illumination with an illumination spectrum deviating from the natural daylight spectrum.

Abstract: An improved lens with Rugate filter specifically designed to be worn in prescription and non-prescription glasses, contact lenses, intraocular lenses and sunglasses, and to provide protection against macular degeneration by reducing harmful visible blue light transmission and ocular photochemical damage. The lens at least includes a single lens layer with a Rugate filter deposited thereon to selectively block visible blue light. Other layers may be added including a polarizing layer, dielectric layer and/or color tint in a lens sandwich configuration, to additionally give a high degree of UVA and UVB protection, color contrast, and glare reduction. The Rugate filter is a stop band which yields an exceptional light transmission profile under all light conditions, thereby maximizing protection as well as clarity of vision.

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

Abstract: The present invention relates to ophthalmic systems comprising a selective light wavelength filter, wherein said selective filter provides improved contrast sensitivity.

Abstract: Computer eyewear for reducing the effects of Computer Vision Syndrome (CVS). In one embodiment, the eyewear comprises a frame and two lenses. In some embodiments, the frame and lenses have a wrap-around design to reduce air flow in the vicinity of the eyes. The lenses can have optical power in the range of approximately +0.5 to +2.5 diopters for reducing accommodation demands on a user's eyes when using a computer. The lenses can also include prismatic power for reducing convergence demand on a user's eyes when sitting at a computer. The lenses can also include a partially transmissive mirror coating, tinting, and anti-reflective coatings. In one embodiment, a partially transmissive mirror coating or tinting spectrally filters light to remove spectral peaks in fluorescent or incandescent lighting.

Abstract: Curved lenses configured to decode three dimensional content and method of fabricating the same. The lenses decode three-dimensional content displayed on televisions or computer monitors. Sheets from which the lenses are cut have either (i) a polarizing axis of 0 degrees relative to horizontal and one sheet has a retarder axis at ?45 degrees relative to horizontal and the other sheet has a retarder axis of +45 degrees relative to horizontal; (ii) a polarizing axis of ?45 degrees relative to horizontal and one sheet has a retarder axis at 0 degrees relative to horizontal and the other sheet has a retarder axis of 90 degrees relative to horizontal; or (iii) a polarizing axis of +45 degrees relative to horizontal and one sheet has a retarder axis at 0 degrees relative to horizontal and the other sheet has a retarder axis of 90 degrees relative to horizontal.

Abstract: Azo compounds that block visible light are disclosed. These light absorbers are particularly suitable for use in intraocular lens materials.

Abstract: The invention relates to an optical article including a transparent substrate of organic glass, preferably a substrate of an ophthalmic lens, an adhesive layer covering at least one of the faces of the transparent substrate, a transparent film of thermoplastic polymer fixed on the transparent substrate by means of the adhesive layer, an anti-abrasion hard coating covering the transparent film of thermoplastic polymer, and a multilayer antireflection coating formed from alternating mineral layers with high and low refractive index. The invention also relates to a method of manufacturing said article.

Abstract: This invention provides for an ophthalmic lens with at least one portion of the lens including multiple voxels of polymerized crosslinkable material. In addition, the present invention provides for apparatus for generating an ophthalmic lens with one or more areas of different refractive indexes and a surface with one or both of a raised area and a depressed area.

Abstract: The invention provides to methods for diagnosing eye-length related disorders, including myopia. The invention also provides methods for treating and limiting eye-length related disorders, including myopia. In addition, the invention provides certain haplotypes associated with eye-length related disorders, including myopia and Bornholm Eye Disease.

Abstract: A variable focus lens system for eyeglasses is disclosed. The system consists of superimposed first and second thin lenses, simulating Alvarez lenses, with one side of each lens divided into Fresnel zones and zone boundaries. The second lens element is slidable for focus adjustment. The Fresnel zone boundary surfaces are made parallel to the user's optical line of sight to reduce visual obstructions, and the zone boundaries may be restricted to areas near the lens periphery to further reduce visual obstructions. The Fresnel zone boundaries may follow paths which enable equal, constant step size for the boundaries along their lengths. An opaque light absorbing coating may be applied to the zone boundaries to reduce light scattering. A fixed prescription lens, having the user's distance and astigmatism corrections, is superimposed on the first and second lens elements.

Abstract: The invention relates to a vision screen having a continuous convex surface (2) that is cylindrical, toroidal, or spherical, and that presents a trace in a binocular plane of sight that forms an outer circular arc of determined radius (R), the vision screen having a concave surface presenting a trace in the same plane of sight that forms, at least in a region around a point of intersection of each line of sight (AD, AG) with the concave surface, an inner circular arc (3, 4) having a specific radius of curvature (R1), and having a center (C1, C2) that is different from the center of the circular arc intersected by the other line of sight, wherein the radius (R1) specific to each inner circular arc is different from the radius (R) of the outer circular arc.

Abstract: The present invention relates to ophthalmic systems and coatings comprising a selective light wavelength filter, wherein said selective filter provides improved contrast sensitivity.