Abstract: This disclosure includes methods and systems for producing ophthalmic lenses. Some methods include identifying a plurality of zones within a spatial representation of a lens blank, selecting, for each of the zones, one or more parameters for producing the lens, and producing the lens by removing material from the lens blank according to the one or more parameters of each of the zones.

Abstract: A machine for disassembling a lens mold assembly including a first mold part, a second mold part, and a molded-lens sandwiched therebetween. The machine includes a centering unit to center the lens mold assembly. The machine includes a disassembling module having a mold engagement mechanism to engage the first and second mold parts to clamp and move the lens mold assembly. The disassembling module includes a molded-lens holder mechanism having at least two clamping members to clamp the molded-lens of the lens mold assembly. The machine includes an alignment guidance module to detect relative positions between the molded lens of the lens mold assembly and the molded-lens holder mechanism to align the molded lens for clamping by the molded-lens holder mechanism. The mold engagement mechanism is configured to hold the first and second mold parts individually and to separate the first and second mold parts from the molded lens.

Abstract: A water extractable ophthalmic device is disclosed which is a polymerization product of a monomeric mixture comprising: (a) one or more cyclic lactams; (b) one or more non-bulky organosilicon-containing monomers; (c) one or more bulky siloxane monomers; and (d) a crosslinking agent mixture comprising (i) one or more first crosslinking agents containing at least two ethylenically unsaturated reactive end groups, wherein the at least two ethylenically unsaturated reactive end groups are (meth)acrylate-containing reactive end groups and (ii) one or more second crosslinking agents containing at least two ethylenically unsaturated reactive end groups wherein at least one of the ethylenically unsaturated reactive end groups is a non-(meth)acrylate reactive end group. The water extractable ophthalmic device has an equilibrium water content of at least about 50 wt. %, a contact angle of less than about 50°, and an oxygen permeability of at least about 60 Barrers.

Abstract: Provided are a method with which a spectacle lens molding mold having a minute recess can be made with high accuracy, and the like. A method for producing a molding mold 12 for molding a spectacle lens 1 in which a minute protrusion 6 is formed on at least one surface thereof includes a first molding mold preparation step of preparing a first mold 14 that includes a base material 26 and a coating portion 28, the coating portion being made of a nickel alloy, coating the base material, and having a surface formed into a shape corresponding to the shape of one surface of the spectacle lens; and a cutting step of cutting a recess 28A corresponding to the protrusion into the surface of the coating portion of the first mold.

Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.

Abstract: The invention relates to a method for manufacturing an ophthalmic lens having at least one optical function, comprising the step (200) of providing a starting optical system of the lens, having a basic optical function and the step (500) of additively manufacturing an additional optical element of the lens, by deposition of multiple predetermined bulking components made of at least one material having a predetermined refractive index, directly onto the front surface and/or the rear surface of the starting optical system; wherein the additive manufacturing step comprises the step of determining a manufacturing guideline for the additional optical element on the basis of the characteristics of said at least one optical function to be provided to the lens, the characteristics of said at least one basic optical function, the geometric characteristics of the starting optical system, and the predetermined refractive index of the material.

Abstract: The present invention discloses a dyeable 1.74 resin lens and a preparation method thereof. The resin lens includes a module layer with a refractive index being 1.74, a dyeable layer with a refractive index being 1.60 is poured on an upper surface of the module layer, an upward curved degree of the dyeable layer is the same as an upward curved degree of the module layer, and a center thickness of the dyeable layer is 0.5-1.2 mm. According to the dyeable 1.74 resin lens of the present invention, a layer of dyeable 1.60plus resin lens is attached to a surface of a 1.74 lens, dyeing performance is good, a visible light transmittance can reach 10-30%, and the blank that the 1.74 lens cannot be dyed is filled.

Abstract: An optical element includes a linear polarizer layer and a transparent optical layer. The linear polarizer layer includes surfaces waviness and the transparent optical layer smooths the surfaces waves of the linear polarizer layer.

Abstract: According to some exemplary embodiments of the present disclosure, provided is a lens for providing varifocal focus. The lens for providing the varifocal focus may include: a liquid crystal layer that is variably oriented according to a voltage to have a variable refractive index; a first lens-shaped optical unit including a first optical layer having one side in contact with one side of the liquid crystal layer and a second optical layer having one side in contact with the other side of the liquid crystal layer; and a second lens-shaped optical unit made of a polymer series, having a fixed refractive index, and including a third optical layer having one side in contact with an outer surface of the first optical layer and a fourth optical layer having one side in contact with an outer surface of the second optical layer.

Abstract: A UV (ultraviolet) curing apparatus for a contact-lens polymerization process is provided. A UV curing module is equipped for the mold cavities of contact-lens curing molds, including a plurality of first UV light sources arranged above the mold cavities and a plurality of second UV light sources arranged below the mold cavities. A plurality of light output areas of a first light guide device guides the light beams emitted by the first UV light sources to illuminate upper light receiving surfaces of the molds. A plurality of reflecting plates of a second light guide device reflects and scatters the light beams emitted by the second UV light sources to lower light receiving surfaces of the molds. Thereby, the contact-lens polymer inside the molds is uniformly cured, and the yield is raised.

Abstract: Embodiments of the disclosure relate to a series of PC resin additives for maintaining the color stability and blue-cut performance during injection molding. The additives may be used to adapt a PC resin customarily used for sun protection lenses for clear lens applications.

Abstract: Disclosed is a method for manufacturing an ophthalmic article including a substrate and a functional wafer securely fastened to a first curved face of the substrate, the manufacturing method including the steps of providing the functional wafer preformed according to a first desired shape, the preformed functional wafer having a first preformed face intended to be applied on the first curved face of the substrate, the first preformed face being defined by first geometrical characteristics; determining second geometrical characteristics of the first curved face of the substrate to be manufactured according to the first geometrical characteristics of the first preformed face of the preformed functional wafer; manufacturing the first curved face according to the second geometrical characteristics determined; fixing the preformed functional wafer to the manufactured substrate by applying the first preformed face on the first curved face in order to form the ophthalmic lens.

Abstract: A method for producing an optical component resin, suppressing yellowing due to addition of an ultraviolet absorber, an optical component resin, a spectacle lens, and spectacles. A method for producing an optical component resin, including a step of polymerizing a polymerizable composition containing a polythiol component, a polyisocyanate component, and an ultraviolet absorber, in which the ultraviolet absorber has a Hazen color number (APHA) of 40 or less in a toluene solution thereof having a concentration of 10% by mass, an optical component resin obtained by the producing method, an optical component formed of the optical component resin, a spectacle lens including a lens substrate formed of the optical component resin, and spectacles including the spectacle lens.

Abstract: The invention provides a method for determining whether a coated contact lens is completely covered by a covalently bonded coating, comprising the steps of (1) providing a coated polyvinylalcohol-based hydrogel contact lens wherein the polyvinylalcohol-based hydrogel lens body is composed of a polymer comprising at least 50% by mole of repeating units of vinyl alcohol, comprising a lubricious coating covalently attached to the lens body, (2) contacting the coated polyvinylalcohol-based hydrogel contact lens with an aqueous solution of a hydrophilic marker polymer for obtaining a treated contact lens, the hydrophilic marker polymer having reactive groups of in which R1 is methyl or ethyl and R2 is hydrogen or a C1-C4 alkyl and a dye tag moiety, at a pH of 4.

Abstract: Provided is a method for preparing a polymeric article including introducing a polymerizable composition into a mold; sealing the composition within the mold using a sealing means; placing the mold into a convection cure oven; subjecting the polymerizable composition to a cure cycle sufficient to partially cure the composition; extracting the mold from the convection cure oven; optionally, removing the sealing means from the mold; placing the mold into an auxiliary curing chamber which is placed into the convection cure oven, or placing the mold into an auxiliary curing chamber which is within the convection cure oven; subjecting the polymerizable composition to a further cure cycle to complete polymerization of the composition, thereby forming a cured polymeric article; and removing the cured polymeric article from the mold.

Abstract: In an embodiment, device having display integrated infrared and light source is disclosed. In an embodiment, the device comprises a display, comprising: a visible light source; and an infrared source, the visible light source and the infrared source being integrated into a single radiation source component within the display, and the infrared source emitting an infrared radiation biometrically authenticating a user of the device. In another embodiment a display integrated infrared source is disclosed.

Abstract: The present invention relates to a novel styrenic polymer comprised of the repeat units of structures (I), (II), and (III), wherein R1, R2 and R3 are individually selected from H or a C-1 to C-4 linear alkyl, R5, R7 and R6 are individually selected from a C-1 to C-8 linear alkyl, a C-3 to C-8 linear alkyl and a C-3 to C-8 cyclic alkyl and to the novel composition comprised of this polymer and a spin on organic solvent. In another aspect of this invention it pertains to the use of this composition to create a grafted on a substrate, and a further aspect, this grafted film may be used in a directed self-assembly process.

Abstract: A system for making a craft comprises a core and a sleeve. The core includes a molding portion. The sleeve has an exterior surface and defines an interior space. The sleeve comprises a collapsible portion that is collapsible towards the interior space. The sleeve is configured to cover the molding portion such that the molding portion of the core prevents collapsing of the collapsible portion interiorly. The core is configured to be releasable from the sleeve and when there is a layer of dried molding material on the exterior surface, the collapsible portion of the sleeve is articulable interiorly away from the layer of dried molding material to at least partially collapse the sleeve for removal from the layer of dried molding material.

Abstract: A curable liquid is provided to a mold having a rigid surface disposed opposite a deformable surface. The curable liquid contacts the rigid surface and the deformable surface. The deformable surface is shaped according to a surface profile by driving actuators configured to move the deformable surface. The curable liquid is cured while the deformable surface is shaped according to the surface profile.

Abstract: Disclosed herein is an apparatus suitable for light scanning. The apparatus comprises a light source and a photonic crystal. The light source is configured to direct a light beam along an optical axis toward the photonic crystal. The photonic crystal is configured to direct the light beam along a direction at an angle relative to the optical axis. The angle is a function of wavelength of the light beam. The apparatus may also comprise a partial toroid lens configured to diverge the light beam received from the photonic crystal. The light source of the apparatus may be configured to change the wavelength continuously across a range of wavelengths.

Abstract: A lighting device capable of manipulating a wider range of parameters to reproduce various light sources. A light source unit includes, for example, a liquid crystal panel and a backlight, and each pixel is a light source capable of adjusting innumerable hues and intensities capable of adjusting hue and intensity. A lenticular lens includes an array of a plurality of lenticules, and is arranged such that a plurality of light sources capable of adjusting hue and intensity is associated with each lenticule. In addition, on the outer periphery of the cylindrical portion of each lenticule, a partition is formed to block emission light from the pixel below the adjacent lenticule, thereby preventing repetition.

Abstract: The present disclosure describes optical devices and methods for manufacturing such optical devices. Namely, an example optical device includes a first optical transparent thermoplastic layer, a second optical transparent thermoplastic layer, and in between both thermoplastic layers, a diffractive optical element adjacent to one thermoplastic layer, a spacer in between the diffractive optical element and the other thermoplastic layer and, a border enclosing the diffractive element thereby forming a sealed cavity.

Abstract: An ophthalmic lens incorporating an optically functional wafer having improved adhesion to a polymerized polyurea-urethane bulk lens resin.

Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).

Abstract: An optical lens casting gasket, wafer, and system and method that provides for more efficient formation of optical lenses employing optically functional wafers.

Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.

Abstract: A manufacturing method for manufacturing a spectacle lens is disclosed. The method includes: obtaining prescription data descriptive of an ophthalmic prescription of a user in the plus prescription range; obtaining frame data descriptive of a perimeter of a spectacle frame in which the lens is to be mounted; providing a lens blank having a convex front surface and a back surface; determining a final cutting surface to be machined on the back surface of the lens blank in a final cutting phase; and determining an intermediate cutting surface to be machined on the back surface of the lens blank in an initial cutting phase. Further, it is provided that the intermediate cutting surface is different from the final cutting surface; and the final cutting surface comprises a prescription zone in which the final cutting surface together with the front surface fulfills the ophthalmic prescription of the user.

Abstract: A method of installing a self-piercing rivet (SPR) is provided that includes providing an SPR installation tool with stack-up parameters prior to, during, and/or after insertion of the SPR into at least two adjacent workpieces, adjusting at least one insertion parameter of the SPR installation tool based on the stack-up parameters, and adaptively installing the SPR into the adjacent workpieces.

Abstract: Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Abstract: The invention relates to a method for preparing an optical system item having a non-zero radius of curvature and coated with an interference coating. Said method includes: a) providing a thermoplastic film coated with a multilayer interference coating containing at least one layer having a refractive index of greater than 1.65 and at least one layer having a refractive index of less than or equal to 1.65, at least one of the interference coating layers being a vacuum-deposited organic/inorganic layer, b) laminating said coated thermoplastic film, by means of an adhesive layer, onto an optical system item including a substrate, and c) recovering said optical system item, including a substrate coated with the adhesive layer, from the thermoplastic film and the multilayer interference coating.

Abstract: A tinted polarizing optical element includes a pre-manufactured polarizing optical assembly. The polarizing optical assembly includes a first layer provided from a thermoplastic or a thermosetting material; a second layer consisting of a polarizing film; and a third layer provided from a thermoplastic or a thermosetting material, wherein the second layer consisting of the polarizing film is disposed between the first layer and the third layer. The optical element further includes a fourth layer provided from a tinted thermoplastic material, which is disposed over the polarizing optical assembly such that the fourth layer is spaced apart from the polarizing film by at least one layer. The tint of the fourth layer is obtained independently from the polarizing optical assembly. The optical element also includes a fifth layer provided from a crystal thermoplastic material, which has a finished surface to provide a corrective effect.

Abstract: A transparent component for eyeglasses is provided. The transparent component includes a birefringent layer and at least one linearly polarizing layer. Polarized light falling on the transparent component exhibits a color effect. Additionally, a second linearly polarizing layer may be provided such that the birefringent layer is sandwiched between the linearly polarizing layer and the second linearly polarizing layer. When the second linearly polarizing layer is provided, non-polarized light falling on the transparent component also exhibits a color effect.

Abstract: Described are silicone hydrogels that are more biocompatible than current ocular materials. The silicone hydrogels are formed from a reactive monomer mixture comprising: a mixture of hydroxyl substituted silicone containing components, at least one polyamide; and at least one hydrophilic monomer. The silicone hydrogels also display a desirable balance of properties, including clarity, oxygen permeability, wettability and desirable protein uptake.

Abstract: Described are silicone hydrogels with high levels of polyamides exhibiting an excellent balance of physical, mechanical, and biological properties. The silicone hydrogels are formed from a reactive monomer mixture comprising: a hydroxylalkyl (meth)acrylate monomer; hydroxyl-containing silicone components; and a polyamide, wherein the polyamide is present in an amount greater than 15 weight percent, based on the total weight of reactive components in the reactive monomer mixture.

Abstract: An aspect of the present invention relates to a method of manufacturing a polarizing plastic lens, which comprises a reversing step of reversing a convex surface shape into a concave surface shape by pressing a polarizing film that has been curved surface processed, a casting mold assembling step of assembling a casting mold having a cavity within which the reversed polarizing film is positioned with the reversed polarizing film, an upper mold, a lower mold, and a sealing member that maintains a spacing between the upper mold and the lower mold, and a polymerizing and curing step of casting a curable composition into the cavity, and polymerizing and curing the curable composition that has been cast to provide a polarizing plastic lens within which a polarizing film is positioned.

Abstract: The present invention general related to a method and a reusable mold for making a contact lens, comprising a first mold half having a first mold surface in contact with a hydrogel contact lens forming composition and a second mold half having a second mold surface in contact with the lens forming composition, wherein the first mold half and the second mold half are configured to receive each other such that a cavity is formed between the first mold surface and the second mold surface, wherein the cavity defines the shape of a contact lens to be molded, wherein the lens forming composition is polymerizable and/or crosslinkable by an actinic radiation, wherein at least one of the mold halves having an absorbing antireflective coating, wherein the reusable mold is a non-plastic mold.

Abstract: A solid-state image pickup device includes: a filter section including filters that are disposed corresponding to respective pixels, and each allowing light of a color that corresponds to corresponding one of the pixels to transmit therethrough, in which the pixels are each configured to receive the light of the predetermined color; and a microlens array section including a plurality of microlenses each configured to collect the light for corresponding one of the pixels, in which the microlenses are stacked with respect to the filter section, and are arranged in an array pattern corresponding to the respective pixels. The microlenses have two or more shapes that are different from one another corresponding to the respective colors of the light to be received by the pixels, and each having an end that is in contact with the end of adjacent one of the microlenses.

Abstract: An ophthalmic lens treatment planning System receives lens and ophthalmic lens treatment information from a customer lens order, identification of available equipment to apply ophthalmic lens treatment(s) from the customer order, and performance and parameters of the available equipment. The ophthalmic lens treatment planning System formulates an optimal ophthalmic lens treatment plan to be implemented by the available equipment to apply the ophthalmic lens treatment(s) from the customer order to the lens. Following application of the optimal ophthalmic lens treatment plan to the lens, the resulting lens may be measured to provide last run results and the last run results may be fed back to the ophthalmic lens treatment planning System to provide further performance and parameters of the available equipment to the ophthalmic lens treatment planning System.

Abstract: A composite functional polarized lens is a polarized lens in which lens substrate layers made of, for example, an allyl diglycol carbonate resin (produced by PPG Industries: CR-39), an urethane resin or other predetermined resin are integrally formed on both front and back surfaces of a polarizing film by way of insert molding, wherein a first lens substrate layer formed on the front surface of both the front and back surfaces of the polarizing film contains a light absorber which is an ultraviolet absorber, an infrared absorber, photochromic light absorber or a thermochromic light absorber as an additional component, and a second lens substrate layer formed on the back surface does not contain the light absorber.

Abstract: A system can include a processor; memory accessible by the processor; a display; and processor-executable instructions stored in the memory and executable by the processor to render a graphical user interface to the display, where the graphical user interface includes a graphic of a machine where the machine includes a conveyor; a UV zone that includes LED-based UV radiation sources; a heating zone; and a controller that controls power to at least one of the LED-based UV radiation sources and where the graphical user interface includes a functional graphic that responsive to actuation renders a menu to the display where the menu includes menu items for the UV zone.

Abstract: Method of manufacturing polarizing plastic lens, including an upper mold positioning step of positioning an upper mold so that a nonmolding surface faces up and a molding surface faces down, an adhesive column forming step of discharging a thixotropic curable adhesive from a nozzle beneath the upper mold to form adhesive columns on the molding surface of the upper mold, a step of bonding the upper mold and a polarizing film, an adhesive column curing step of subjecting the adhesive columns to a curing treatment, a casting mold assembling step of assembling a casting mold having a cavity within which the polarizing film has been positioned with the upper mold to which the polarizing film has been bonded, a lower mold positioned opposite the upper mold so as to sandwich the polarizing film, and a sealing member maintaining a spacing between the upper mold and lower mold, and a polymerizing and curing step of casting a curable composition into the cavity, and polymerizing and curing the curable composition that

Abstract: An optical element manufacturing device includes a mold set including: a first shaping mold and a second shaping mold facing each other with a shaping-target material between the first and second shaping molds, and a sleeve located around the first and second shaping molds; and a plurality of stages on which the mold set is conveyed and which heat, press or cool the shaping-target material. The sleeve is conveyed to the stages in such a manner that a conveyance-direction front side of the mold set in an arrangement direction of the plurality of stages has a heat insulation portion with a heat insulation property that is higher than that on a conveyance-direction rear side of the mold set in order to reduce a temperature distribution in the shaping-target material.

Abstract: A micro-optical inspection arrangement comprises micro-focusing elements which are composite bodies consisting of a main part and an additional part and which have a reference focal length. The main parts are provided as micro-focusing element preforms, and the additional parts are formed from one or more functional coatings. The invention also relates to a method for producing such a micro-optical inspection arrangement and to a micro-optical displaying arrangement comprising the micro-optical inspection arrangement according to the invention and a microstructure arrangement, in particular a moiré magnification arrangement and a modulo magnification arrangement. The invention also relates to security elements and data carriers that have the micro-optical inspection arrangement according to the invention.

Abstract: The method of manufacturing of this invention is capable of providing an eyeglass lens free from uneven coloring or peeling of a colored layer having a gradation pattern.

Abstract: A device for producing a lens wafer with a plurality of microlenses with an upper die and a lower die for embossing of the lens wafer from a fluid embossing mass which has been delivered between the dies, curing means for curing of the embossed lens wafer, characterized in that at least one release element for detachment of the cured lens wafer prior to curing can be located between the lower die and the upper die.

Abstract: The invention relates to a method for creating a viewing screen (3) having an injection overmolded insert (9). Said method includes the steps of: placing an insert (9), to be overmolded, into an injection mold (1); holding the insert (9) by at least one suction nozzle (21) built into the injection mold (1); injecting, into the mold (1), a thermoplastic material for forming a mechanical substrate layer for the viewing screen; and removing the thus-formed viewing screen (3) from the mold.

Abstract: Apparatus and methods for manufacturing ophthalmic lenses by bringing together a pair of mold halves to form a closed mold assembly, are described. The method includes measuring a force applied to bring the mold halves together. The apparatus includes at least one force sensor in operative communication with a single pair of mold halves, and a controller for controlling a velocity of movement of a mold half and for determining when a measured force or average measured force is greater than or equal to a predetermined threshold force.

Abstract: A method including clamping an integrated circuit package substrate between first and second supporting substrates; exposing the clamped package substrate to a heat source from a single direction; and modifying a shape of the package substrate. An apparatus including a first and second supporting substrates, the first supporting substrate including a two-dimensional area that is 75 percent to 95 percent of the area of the first side of the package substrate and the second supporting substrate including a two-dimensional area that is at least equivalent to the area of a package substrate and each of the first supporting substrate and the second supporting substrate include a body having a cavity therein such that when assembled on opposite sides of a package substrate, each cavity has a volume dimension such that the body of the supporting substrate is not in contact with an area of a package substrate.

Abstract: A display device including pixels disposed on a substrate, and a lens layer disposed on the substrate, the lens layer including Fresnel lenses respectively corresponding to the pixels. Each of the Fresnel lenses includes Fresnel zones disposed adjacent to each other in a radial direction with respect to a center of a corresponding Fresnel lens, and refractive indices of each of the Fresnel zones change stepwise along the radial direction.

Abstract: The present invention provides a device for an energizable Ophthalmic Lens with an event coloration mechanism. The event coloration mechanism may color or change color based on some predefined event. For example, a predefined constituent or predefined condition of the tear fluid may be indicative of the predefined event, and the event coloration mechanisms may interact with the tear fluid, accordingly. The event coloration mechanism may provide the energizable functionality of the Ophthalmic Lens in some embodiments. In others, the event coloration mechanism may be passive but may interact and interface with the electrical components of the Ophthalmic Lens, such as, for example, those included within the Media Insert. Event coloration mechanisms may be combined with additional functionalities that may be included in an energizable Ophthalmic Lens.