Abstract: Disclosed is an optical lens including at least one continuous scattering area having a characteristic dimension d greater than or equal to 2 mm. Any sub-area of characteristic dimension dsub included in the at least one continuous scattering area, with dsub greater than or equal to 0.05 mm, verifies: |% Iscat_area?% Iscat_subarea|<0.2*% Iscat_area, where % Iscat_area is the average intensity ratio of light scattered by the continuous scattering area, and % Iscat_subarea is the average intensity ratio of light scattered by the sub-area.

Abstract: An optical article, includes: a first surface and a second surface, wherein at least one microstructure is patterned on the second surface to form a microstructure pattern, the microstructure pattern including a plurality of microlenses configured to adjust a focus of the optical article, and a first dye having a first dye peak absorbance wavelength with a first dye bandwidth, wherein the first dye is configured to filter a first predetermined range of light wavelengths. The optical article may further comprise a protective microstructure pattern, the protective microstructure pattern having a plurality of protective microstructures arranged complementary to an arrangement of a plurality of optical microstructures, the arrangement of the plurality of optical microstructures being disposed in the complementary arrangement of the protective microstructures.

Abstract: The present disclosure relates to a method of printing a thermoplastic film on an optical mold comprising adjusting a temperature of the optical mold to a first temperature, printing a first layer of the thermoplastic film on the optical mold once the temperature of the optical mold has reached the first temperature, applying a vacuum to the optical mold to hold the thermoplastic film on the optical mold, adjusting the temperature of the optical mold to a second temperature, printing a second layer of the thermoplastic film on the first layer of the thermoplastic film once the temperature of the optical mold has reached the second temperature, adjusting the temperature of the optical mold to a third temperature, annealing the first layer and the second layer once the temperature of the optical mold has reached the third temperature, and removing the vacuum from the optical mold permitting removal of the thermoplastic film including the annealed first layer and the annealed second layer from the optical mold.

Abstract: The present disclosure relates to a laminate, comprising a first film including a pattern of microstructures debossed within a first surface of the first film, each microstructure of the debossed pattern of microstructures being an optical microstructure arranged such that a height of the first surface of the first film is greater than a height of each optical microstructure, and a second film that is laminated, via a first surface of the second film, to the first film at the first surface of the first film, wherein a delta between the height of the first surface of the first film and the height of each optical microstructure encapsulates, upon the lamination of the second film to the first film, a void fill material in at least a portion of at least one void defined by the delta.

Abstract: The present disclosure relates to a laminate, comprising a first film including a pattern of microstructures embossed on a first surface of thereof, each microstructure being arranged at a predetermined distance between adjacent microstructures, and a second film including structures arranged on a first surface thereof at positions corresponding to areas of the first surface of the first film defined by the predetermined distance, wherein when the second film is laminated to the first film, the structures arranged on the first surface of the second film are in contact with the areas of the first surface of the first film defined by the predetermined distance, a height of the structures is greater than a height of each microstructure, and a delta defined therebetween encapsulates a void fill material in at least a portion of at least one void defined by the delta.

Abstract: A method of manufacturing an optical lens (417, 901), comprising: obtaining (S301) a transparent thermoplastic (TP) carrier (410, 1210) with at least one smooth surface; printing (S305), via a 3-D printer on the side opposite to the at least one smooth surface of the transparent TP carrier (410, 1210), at least one transparent layer (420, 1220) using a thermoplastic filament (403), each transparent layer (420, 1220) having a predetermined light filtering property, thereby forming a functional layer (420, 1220); and performing (S307) an injection over-molding process (415) to fuse bond the functional layer (420, 1220) to a thermoplastic substrate thereby forming the optical lens, wherein the at least one smooth surface of the transparent TP carrier (410, 1210) forms a smooth surface of the manufactured optical lens (417, 901).

Abstract: A mold element (350) is fabricated (305, 310, 315) using a first mold (5) with which microstructures (323) are integrally formed in relief on the mold element (350). A lens (340) is cast (320, 325, 330, 335) using a second mold (7) that includes the mold element (350) such that the microstructures (337) are integrally formed on the lens (340).

Abstract: Provided herein is an improved polarized eyewear with selective light wavelength blocking and a method of making such polarized eyewear.

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 herein is an injection molding method for making optical thermoplastic lenses using 3D-printed functional wafers. The wafer and base lens are made of different materials having dissimilar glass transition temperatures.

Abstract: The disclosure includes core-shell filament composition for additive manufacturing of ophthalmic lenses and ophthalmic lens components. The disclosure also includes a set of criteria for selecting core and shell thermoplastic combinations that exhibit high optical clarity, improved filament inter-strand diffusion, high inter-strand adhesion, and improved manufactured part strength when used in an additive manufacturing method like fused deposition modelling.

Abstract: Disclosed herein is an injection molding method for making optical thermoplastic lenses using 3D—printed functional wafers. The method employs a variable injection molding cavity temperature that is heated to at least wafer Tg—10° C.

Abstract: A light filtering element, includes: at least one layer, a first layer of the at least one layer being stretched along a strain direction and including a first narrowband dye, the first narrowband dye including a first narrowband dye peak absorbance wavelength with a first narrowband dye bandwidth; and a first dichroic dye configured to absorb polarized light, the first dichroic dye including a first dichroic dye peak absorbance wavelength with a first dichroic dye bandwidth, molecules of the first dichroic dye being at least partially oriented along the strain direction.

Abstract: The optical articles disclosed herein render polarized glare in a certain tunable color that is visually more perceptive than a regular tinted lens or a regular polarized lens. Optical articles, including sunglass lenses, that are configured to color plane-polarized light transmitted through the lens will draw the wearer's attention and help identify the contours or dangers on surfaces in the wearer's field of vision.

Abstract: An ophthalmic lens including a substrate-independent adhesive primer for joining a functional element to a lens substrate. In particular, the ophthalmic lens includes at least one polymerized lens substrate including at least one thermoset monomer, a functional component including at least one thermoplastic layer, a surface of the at least one thermoplastic layer facing the polymerized lens substrate, and a primer coating deposited onto the surface of the at least one thermoplastic film facing the polymerized lens substrate.

Abstract: The combination of selective and high pass filters to cut harmful blue light allowed to achieve the best compromise between high blue cut performance, high UV cut and low yellow index, not achievable when using the filters alone.

Abstract: Disclosed are polarized films containing specific light filters that block transmission of harmful electromagnetic radiation. Also disclosed are methods of producing said films as well as ophthalmic lenses having increased eye health.

Abstract: Provided herein is an improved polarized eyewear with selective light wavelength blocking and a method of making such polarized eyewear.

Abstract: Disclosed is a method of manufacturing an ophthalmic lens having at least one optical function, including the determination of a transmission spectrum in a wavelength range from 280 to 2000 nm, the determination of a matrix including at least two compounds absorbing light having a wavelength from 280 to 2000 nm, with regard to the determined transmission spectrum, and additively manufacturing the matrix.

Abstract: A blue-cut wafer can be coupled to a lens, such that the blue-cut wafer can be configured to reduce by absorption at least a portion of light having a first wavelength range from 400 nanometers to 500 nanometers, preferably from 400 nanometers to 460 nanometers. The blue-cut wafer can permit light having a second wavelength range, the second wavelength range being greater than the first wavelength range, and homogenize a color appearance and a blue-cut performance level of the blue-cut wafer based on the blue-cut wafer having a maximum thickness and a minimum thickness within twenty percent of a nominal thickness of the blue-cut wafer.