Abstract: An ophthalmic lens intended to be worn in front of an eye of a wearer having a first optical function based on a prescription of the wearer for correcting an abnormal refraction of said eye of the wearer and comprising at least one activable optical element, wherein in a first state the at least one activable optical element contributes with the rest of the lens to focus the image of an object at distance on the retina, and in a second state the at least one activable optical element has a second optical function of not focusing an image on the retina of the eye of the wearer so as to slow down the progression of the abnormal refraction of the eye.

Abstract: Disclosed is a method implemented by computer for determining a batch of a number n>1 of three-dimensional products to be manufactured by an additive manufacturing technology, the method including: —a step of receiving at least one order for manufacturing a product by the additive manufacturing technology; —a step of determining a score associated with the product from a set of data included in the at least one order, the score being representative of at least one product's characteristic; —a step of assigning to the batch n products having a corresponding score; and—a step of providing an additive manufacturing machine with the set of data of each product assigned to the batch.

Abstract: Disclosed is a method for the manufacturing of an optical element having a refractive index above 1.59 by additive manufacturing to the optical element obtained by such a method and to an ophthalmic lens including such an optical element.

Abstract: Disclosed is a method for the manufacturing of an optical element having a refractive index above 1.59 by additive manufacturing to the optical element obtained by such a method and to an ophthalmic lens including such an optical element.

Abstract: Disclosed is a liquid polymerizable composition including a phosphine oxide or a phosphine sulphide monomer composition with mineral nanoparticles homogeneously dispersed therein, as well as its use for the preparation of a transparent polymeric material having a high refractive index and its use in the optical field.

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: An optical system comprising an optical lens •—the optical lens comprising a substrate (2) and a self-healing coating (3) extending along at least part of a surface of the substrate, the self-healing coating having a glass-transition temperature equal to or greater than 40° C. and equal to or smaller than 60° C., and •—the optical system comprising a heating component (4) adapted to heat the self-healing coating at a temperature above the glass-transition temperature of the self-healing coating.

Abstract: A method for manufacturing an ophthalmic lens using an additive manufacturing technology, the ophthalmic lens having at least one useful optical surface and a peripheral region surrounding at least in part the useful optical surface, includes the steps of: providing a support; manufacturing a part of the ophthalmic lens including a portion of the peripheral region, and being in contact with the support by the portion of the peripheral region so that the support bears the part of the ophthalmic lens being manufactured while the useful optical surface is free from any contact with the support. A support designed to bear an ophthalmic lens and a manufacturing system are also described.

Abstract: This invention relates to an ophthalmic lens comprising a multilayered interferential coating and to a manufacturing method thereof. The ophthalmic lens comprises: an organic substrate having a front main face and a rear main face, and a multilayered interferential coating (30) which is coated on at least one of the front main face and the rear main face, According to the invention, the multilayered interferential coating (30) comprises at least one graphene layer (2) which has a uniform thickness of between 0,1 nm to 1 nm.

Abstract: A semi-finished optical element for manufacturing an ophthalmic article for vision-correction including at least one blank having a front diopter and a rear diopter, the blank being configured to present a first optical power distribution, one of the diopters being unfinished and the other being finished, an optical component layer including a periodic or pseudo-periodic arrangement of optical wave-front shaping elements that are smaller than 10 ?m and configured to control incoming light at least in a part of the visible spectrum and providing a second optical power distribution, wherein the optical component layer is transparent in transmission in the visible wavelength and is disposed on the finished diopter of the blank for cooperating together to achieve a third optical power distribution.

Abstract: A method of determining at least one parameter of an ophthalmic lens (40) including a complementary optical element (12) obtained by additive manufacturing and configured to provide at least a part of the optical function of the ophthalmic lens, the determining method including a step of providing two characterizing surfaces simulating two opposite surfaces of a complementary optical element (12), the distance between the two characterizing surfaces along a thickness axis (Z) defining the thickness of the complementary optical element; a step of optimizing the distance between the two characterizing surfaces (20) along the thickness axis (Z) so that the thickness of the complementary optical element reaches a thickness threshold while complying with the optical function of the ophthalmic lens (40); and a step of determining at least one parameter of the ophthalmic lens (40) on the basis of the optimized distance.

Abstract: A method of manufacturing an ophthalmic lens having at least one optical function includes: a step of additively manufacturing a complementary optical element by depositing a plurality of predetermined volume elements on a predetermined build support, the complementary optical element being configured to provide at least a part of the optical function of the ophthalmic lens, wherein the build support includes at least one added value or adhesive configured to provide to the ophthalmic lens at least one added function. An ophthalmic lens including a build support and a complementary optical element as well as an ophthalmic lens obtained by such a manufacturing method.

Abstract: The invention relates to an optical article, such as an ophthalmic lens, comprising a transparent substrate with a front main face and a rear main face, at least one of its main faces being coated with a multilayer interference coating, such as a mirror coating or an antireflective coating, which is the top coating of the article, wherein the outermost layer of the top coating comprises a material having antibacterial properties, or wherein the outermost layer of the top coating is a porous layer and the layer directly underneath the outermost layer of the top coating is a layer comprising a material having antibacterial properties.

Abstract: An eyewear frame having at least one frame component including a stimuli-responsive polymer is provided. The at least one frame component has a physical property which is reversibly changeable in response to a stimulus of non-thermal origin applied to the stimuli-responsive polymer. An eyewear including the eyewear frame, and a method of adjusting the eyewear frame are also provided.

Abstract: The disclosure relates to a method of concealing a non-optically transparent component of an optical article. The method comprises—providing (S7) an optical article comprising: —an optical lens comprising an eyeball side facing an eye of a person when the optical article is worn by the person and an object side opposing the eyeball side, the optical lens comprising on the object side an eyewear shape section extending from an outer contour of the optical lens to an inner contour, and—a non-optically transparent component extending at least partly over the eyewear shape section, and—concealing (S8) the non-optically transparent component by covering at least part of the eyewear shape section of the optical lens using an opaque material.

Abstract: The present invention relates to an article having a surface coated with a nanostructured temporary super-hydrophobic film having a static contact angle with water of at least 140°, preferably exhibiting multiple length scales of roughness and comprising nanoparticles functionalized with a hydrophobic agent, wherein the functionalization of the nanoparticles with the hydrophobic agent has been performed before said nanostructured temporary super-hydrophobic film is coated on said surface. The surface of the article exhibits a static contact angle with water of at least 60° before being coated with the nanostructured temporary super-hydrophobic film. The treatment according to the invention can be used to provide an antirain function to optical articles having a hydrophobic surface.

Abstract: The present invention relates to an article having a surface coated with a nanostructured temporary super-hydrophobic film having a static contact angle with water of at least 140°, and comprising nanoparticles functionalized with a hydrophobic agent, wherein the functionalization of the nanoparticles with the hydrophobic agent has been performed before said nanostructured temporary super-hydrophobic film is coated on said surface. The surface of the article exhibits a static contact angle with water of less than 60° before being coated with the nanostructured temporary super-hydrophobic film. The treatment according to the invention can be used to provide an antirain function to optical articles having a hydrophilic surface.

Abstract: A method of manufacturing an ophthalmic lens, including: a step of providing a starting optical system (30) having a first optical function and a first main refractive index; a step of providing a transition layer (20) intended to be disposed between the starting optical system (30) and a complementary optical element (12) having a second main refractive index, the transition layer (20) aiming at reducing unwanted reflection caused by the mismatch between the first and the second main refractive index, the transition layer (20) having a transition optical function; and a step of additively manufacturing the complementary optical element (12) on the transition layer (20), the complementary optical element (12) having a second optical function, the second optical function being predetermined as a function of the first optical function and of the transition optical function.

Abstract: An ophthalmic lens intended to be worn in front of an eye of a wearer having a first optical function based on a prescription of the wearer for correcting an abnormal refraction of said eye of the wearer and comprising at least one activable optical element, wherein in a first state the at least one activable optical element contributes with the rest of the lens to focus the image of an object at distance on the retina, and in a second state the at least one activable optical element has a second optical function of not focusing an image on the retina of the eye of the wearer so as to slow down the progression of the abnormal refraction of the eye

Abstract: An optical system comprising an optical lens •—the optical lens comprising a substrate (2) and a self-healing coating (3) extending along at least part of a surface of the substrate, the self-healing coating having a glass-transition temperature equal to or greater than 40° C. and equal to or smaller than 60° C., and •—the optical system comprising a heating component (4) adapted to heat the self-healing coating at a temperature above the glass-transition temperature of the self-healing coating.