Abstract: The tool includes a base including a rigid carrier and a flexible collar encircling the rigid carrier; an elastically compressible interface; and a flexible buffer including a central portion that is located in line with the rigid carrier and a peripheral portion that is located transversely therebeyond. This peripheral portion is connected to the carrier exclusively via the interface and via the collar, wherein the collar is configured so that the tool is elastically deformable between a rest position that it adopts in the absence of stress and a reference position in which the transverse end second surface of the flexible buffer is pressed against a reference surface that is spherical and of radius included between 40 mm and 1500 mm.

Abstract: Disclosed is a method, for example implemented by a computer, for determining the shape of a nose pad, to be part of an ophthalmic lens intended to be worn by a wearer, the method including: receiving lens shape data relating at least to the shape of an ophthalmic lens; receiving morphology data relating at least to the morphology of the nose of the wearer; and determining the shape of the nose pad intended to be part of the ophthalmic lens intended to be worn by the wearer based at least on the lens shape data and morphology data.

Abstract: Disclosed is a method for manufacturing a lens element intended to be worn in front of an eye of a person, the lens element including two opposite optical faces and a plurality of optical elements each having an optical function of not focusing an image on the retina of the eye of the person so as to slow down the progression of the abnormal refraction of the eye. The method includes: providing a lens blank having at least one unfinished face; and processing the at least one unfinished face to obtain in combination with the opposed optical face a refractive power based on the prescription for the eye of the person and at least a part of the plurality of the optical elements.

Abstract: A lens element intended to be worn in front of an eye of a wearer, the lens element including at least two first areas having a refractive power based on a prescription of the wearer for said eye of the wearer, a plurality of second areas having at least a second optical function in specific wearing conditions, where one can determine at least one first radial path crossing at least a first second area in a first point and a second point, the first and second points being adjacent to the at least two first areas, the first radial coordinate being greater than the second radial coordinate, and the radial optical power at the first point is significantly different from the radial optical power at the second point.

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 lens to be worn in front of an eye of a wearer having at least one prescribed refractive power Px, the optical lens including two opposite optical faces and a plurality of contiguous optical elements at least part of the optical elements having an 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. Over a pupil having at least a 4 mm diameter, one can measure in a plane corresponding to the at least one prescribed refractive power along at least one direction, a Modulation Transfer Function through the optical lens greater than 0.1 between 0 and 20 cyc/deg.

Abstract: An optical lens intended to be worn in front of an eye of a wearer having at least one prescribed refractive power Px, the optical lens comprising two opposite optical faces and a plurality of contiguous optical elements at least part of the optical elements having an 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, wherein: —over a pupil having at least a 4 mm diameter, one can measure in a plane corresponding to the at least one prescribed refractive power along at least one direction, a Modulation Transfer Function through the optical lens greater than 0.

Abstract: Disclosed is a method implemented by a computer for determining surfacing data to obtain a surface of a lens element, the surface of the lens element including: a refraction area having a first curvature; and multiple optical elements placed on at least part of the finished optical surface, each optical element having at least a second curvature.

Abstract: Disclosed is a method of manufacturing an ophthalmic lens to be mounted into a frame, including: a step of acquiring an optical prescription for the future wearer of the ophthalmic lens and an information relative to the ophthalmic lens and/or to the future wearer and/or to the frame; a step of calculating a surfacing instruction of the ophthalmic lens, the surfacing instruction being determined so that the ophthalmic lens once surfaced satisfies the optical prescription; and a step of surfacing during which the at least one optical face of the ophthalmic lens is surfaced according to the surfacing instruction. During the step of calculating, the surfacing instruction is calculated so that the optical face of the ophthalmic lens once surfaced includes a mark that results from the step of surfacing and that forms a code associated with the information.

Abstract: Disclosed is a method for producing a mold obtained by providing a monolithic optical lens element having at least a finished optical surface, the monolithic optical lens element being made of an organic material. The method includes: coating the finished optical surface with an electrically conductive material; depositing on the coated finished optical surface a layer of metal to produce a metal element having a surface which is a replication of the finished optical surface; and separating the monolithic optical lens element and the metal element, the metal element forming a mold replicating the finished optical surface of the monolithic optical lens element.

Abstract: A lens element intended to be worn in front of an eye of a wearer having a refraction area having a refractive power based on a prescription for said eye of the wearer, an a plurality of at least two optical elements having an optical function of not focusing an image on the retina of the eye of the wearer, wherein the refraction area comprises a plurality of respectively independent island-shaped areas, the refraction area is formed as the area other than the optical elements and each refraction island shape area is within one optical element.

Abstract: A lens element adapted for a person including a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of the person, a plurality of optical elements placed on at least one surface of the holder to at least one of: slow down, retard, or prevent a progress of the abnormal refraction of an eye of the person, and at least one layer of at least one coating element covering at least a zone of at least one optical element and at least a zone of the holder on which the optical elements are placed, wherein said at least one layer of at least one coating element adds an optical power of 0.1 diopter in absolute value in specific wearing conditions when measured over said zone of the optical element covered by said at least one layer of at least one coating element.

Abstract: A method for characterizing optical elements of a lens element adapted for a person is presented, the lens element including: a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of an eye of the person; and a plurality of optical elements configured so that at least one of slow down, retard or prevent a progress of the abnormal refraction of the eye of the person. A two-dimensional representation of the local optical power of the lens element is obtained using a fringe deflectometry method and the images used for the fringe deflectometry method consist of pixels smaller than or equal to 0.05 mm×0.05 mm.

Abstract: A lens element adapted for a person including a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of the person, a plurality of optical elements placed on at least one surface of the holder to at least one of: slow down, retard, or prevent a progress of the abnormal refraction of an eye of the person, and at least one layer of at least one coating element covering at least a zone of at least one optical element and at least a zone of the holder on which the optical elements are placed, wherein said at least one layer of at least one coating element adds an optical power of 0.1 diopter in absolute value in specific wearing conditions when measured over said zone of the optical element covered by said at least one layer of at least one coating element.

Abstract: An optical article (1) is disclosed, comprising: —a base lens substrate (10), having a front surface (101) and a back surface (102), —an abrasion resistant coating (20) covering at least one of said front surface and said back surface, the abrasion resistant coating (20) having a first surface (21, 22) at the interface with the base lens substrate and a second surface (22,21) opposite the first, and —at least one optical element (30) protruding from one of the first and second surfaces of said abrasion resistant coating, said optical element being composed of a material adapted to form an abrasion resistant coating.

Abstract: An optical article provided in a form suitable for simultaneous lamination of a pressure sensitive adhesive layer and of a thermoplastic film, the said optical article comprising a convex and a concave optical surface, wherein the convex and/or the concave optical surface is a receiving surface intended to receive the pressure sensitive adhesive on which the thermoplastic film is intended to be arranged and wherein the said receiving surface has an arithmetic average profile roughness greater or equal to 0.01 ?m and less or equal to 0.3 ?m and/or wherein the said receiving surface has a profile roughness root mean square slope greater or equal to 0.2° and less or equal to 1.2°. A method for manufacturing an optical device using said optical article.

Abstract: A lens element adapted for a person including a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of the person, a plurality of optical elements placed on at least one surface of the holder to at least one of: slow down, retard, or prevent a progress of the abnormal refraction of an eye of the person, and at least one layer of at least one coating element covering at least a zone of at least one optical element and at least a zone of the holder on which the optical elements are placed, wherein said at least one layer of at least one coating element adds an optical power of 0.1 diopter in absolute value in specific wearing conditions when measured over said zone of the optical element covered by said at least one layer of at least one coating element.

Abstract: An optical article provided in a form suitable for simultaneous lamination of a pressure sensitive adhesive layer and of a thermoplastic film, the said optical article comprising a convex and a concave optical surface, wherein the convex and/or the concave optical surface is a receiving surface intended to receive the pressure sensitive adhesive on which the thermoplastic film is intended to be arranged and wherein the said receiving surface has an arithmetic average profile roughness greater or equal to 0.01 ?m and less or equal to 0.3 ?m and/or wherein the said receiving surface has a profile roughness root mean square slope greater or equal to 0.2° and less or equal to 1.2°. A method for manufacturing an optical device using said optical article.

Abstract: A lens element adapted for a person including a holder including a refraction area having a refractive power based on a prescription for correcting an abnormal refraction of the person, a plurality of optical elements placed on at least one surface of the holder to at least one of: slow down, retard, or prevent a progress of the abnormal refraction of an eye of the person, and at least one layer of at least one coating element covering at least a zone of at least one optical element and at least a zone of the holder on which the optical elements are placed, wherein said at least one layer of at least one coating element adds an optical power of 0.1 diopter in absolute value in specific wearing conditions when measured over said zone of the optical element covered by said at least one layer of at least one coating element.

Abstract: An optical device for a wearer including an optical system with an active function configured to be mounted into a frame, a wafer comprising an internal face facing the optical system, the wafer being configured to be mounted into the frame, and holding means configured to maintain the optical system and the wafer in the frame without contact at least between a part of the optical system and the internal face of the wafer.