Abstract: A system for generating a virtual image for a wearer includes: a lens providing vision of a real scene and having refractive power related to the prescription of the wearer, a directive light source that emits directive light beams to create the virtual image, a reflecting element positioned on or in the lens that receives and redirects the directive light beams emitted by the directive light source toward a convergence area of an eye of the wearer, a dynamical optical element for modifying the received light beams, and a memory storing prescription data relative to the prescription of the wearer, the dynamical optical element modifying the light beams at the convergence area so as to compensate at least partly the prescription of the wearer.

Abstract: An eyeglass device including a variable transmission ophthalmic lens, a method for driving the transmission of such lens, and a non-transitory computer-readable storage medium for implementing such method. The eyeglass device comprises a light sensor configured for measuring an amount of light in the environment of a wearer and a controlling circuit configured for receiving at least light data from said light sensor and for driving the transmission of said ophthalmic lens on the basis of said light data. The controlling circuit is configured for driving the transmission of said ophthalmic lens on the basis further of movement data, said movement data being derived from an estimation of a movement of the wearer's head.

Abstract: The invention provides an ophthalmic device having adjustable filtering properties, comprising at least one first polarizer (18), at least one second polarizer (19) which is fixed relative to said first polarizer, and at least one adjustable filtering member (20) located between said first and second polarizers and configured to rotate a polarization plane of light received from said first polarizer and propagating towards said second polarizer; wherein said adjustable filtering member is configured to admit a plurality of active states, in each of which it rotates the polarization plane according to a respective and predetermined angle.

Abstract: The invention relates to a method for displaying a sharp image on a retina of an eye of the person, the person having a prescription for the eye of the person, the method comprising: providing at least one optical parameter relative to the prescription for the eye of the person; providing a plurality of initial sub-images, each initial sub-image corresponding to at least a part of the image to be displayed; providing a plurality of light beams configured to be focused substantially in the plane of a pupil of the eye at a plurality of corresponding different positions, each light beam being configured to carry an associated sub-image; for each sub-image, adapting the sub-image based on the at least one provided optical parameter and on the corresponding focused position of the light beam configured to carry the sub-image to form an adapted sub-image; and displaying each adapted sub-image carried by the associated light beam on the retina of the person.

Abstract: Disclosed is an ophthalmic device having adjustable filtering properties, including at least one polarizer and at least one half-wave plate that is rotatable with respect to the polarizer to thereby adjust the filtering properties for a polarized beam of light that successively meets the half-wave plate and then the polarizer.

Abstract: A method for determining at least one optical parameter of an eye of a person comprising displaying at least two sharp images on a retina of the eye of the person, the at least two images comprising a target and being carried by two light beams focused substantially in the plane of a pupil of the eye at at least two different positions, adapting a parameter of the target in each image based on feedback of the person relative to the change of the parameter of the target in the image, and determining the at least one optical parameter of the person's eye based on the adaption of the parameter of the target in each image.

Abstract: The disclosure relates to methods, controlling units, eyeglasses, computer programs and computer-readable storage media for controlling an optical transmission of a variable transmission ophthalmic lens. The method includes receiving from a light sensor a measured illuminance of the environment of a wearer, computing a change of illuminance measured during a predetermined time interval, comparing the computed change of illuminance with a first threshold, when the computed change of illuminance is greater than the first threshold, implementing first command configured for varying the transmission of the variable transmission ophthalmic lens from initial transmission value corresponding to a current transmission value to a first target transmission value, according to a first variation profile comprising a first phase during which the transmission overshoots the first target transmission value, and a second phase during which the transmission returns to the first target transmission value.

Abstract: A system for generating a virtual image for a wearer includes: a lens providing vision of a real scene and having refractive power related to the prescription of the wearer, a directive light source that emits directive light beams to create the virtual image, a reflecting element positioned on or in the lens that receives and redirects the directive light beams emitted by the directive light source toward a convergence area of an eye of the wearer, a dynamical optical element for modifying the received light beams, and a memory storing prescription data relative to the prescription of the wearer, the dynamical optical element modifying the light beams at the convergence area so as to compensate at least partly the prescription of the wearer.

Abstract: A binocular device adapted to a wearer comprising: a first lens and a second lens, respectively designed to be placed in front of first and second eyes of the wearer, the first lens comprising at least a back face, a monocular display device designed and arranged to display a virtual picture towards the first eye of the wearer, the virtual picture being transmitted through the back face of the first lens defining a display area on the back face, wherein: the second lens comprises an adapted area and a corresponding area, the corresponding area is the area scanned by the second eye of the wearer when the first eye scans the virtual picture through the display area, and the adapted area is arranged so that the adapted area overlaps at least a part of the corresponding area, and the adapted area is configured to be obscured.

Abstract: A binocular device adapted to a wearer comprising: a first lens and a second lens, respectively designed to be placed in front of first and second eyes of the wearer, the first lens comprising at least a back face, a monocular display device designed and arranged to display a virtual picture towards the first eye of the wearer, the virtual picture being transmitted through the back face of the first lens defining a display area on the back face, wherein: the second lens comprises an adapted area and a corresponding area, the corresponding area is the area scanned by the second eye of the wearer when the first eye scans the virtual picture through the display area, and the adapted area is arranged so that the adapted area overlaps at least a part of the corresponding area, and the adapted area is configured to be obscured.

Abstract: A pictures positioning system and method for positioning pictures on display elements of a binocular displaying device is described. The binocular displaying device comprises a right and a left display element to be placed in front of corresponding eyes of a wearer, and to display right and left pictures. The binocular displaying device comprises a measurement means. The method comprises a providing step during which at least one wearer related parameter is provided, the providing step including a measurement operation. The measurement operation may be performed by using the measurement means embedded in the binocular displaying device. The method includes a display positioning determination step during which a right display positioning of the right picture on the right display element is determined and a left display positioning of the left picture on the left display element is determined. The display positioning determination step is performed based on at least one wearer related parameter.

Abstract: A method for manufacturing an ophthalmic lens includes molding the lens (1) between a first mold portion (6A) and a second mold portion (6B) with the first entry surface (4A) formed by making in the lens a molded cavity by means of a stud (6C) secured to the second mold portion (6B), and that the light guide (4) is temporarily secured to the stud (6C) prior to molding. The second entry surface (4B) is formed by making in the lens a molded cavity by means of a mold insert (7) temporarily secured to the light guide (4) prior to molding, the first mold portion (6A) being placed above said insert (7).

Abstract: A pictures positioning system and method for positioning pictures on display elements of a binocular displaying device is described. The binocular displaying device comprises a right and a left display element to be placed in front of corresponding eyes of a wearer, and to display right and left pictures. The binocular displaying device comprises a measurement means. The method comprises a providing step during which at least one wearer related parameter is provided, the providing step including a measurement operation. The measurement operation may be performed by using the measurement means embedded in the binocular displaying device. The method includes a display positioning determination step during which a right display positioning of the right picture on the right display element is determined and a left display positioning of the left picture on the left display element is determined. The display positioning determination step is performed based on at least one wearer related parameter.

Abstract: The invention concerns a method of manufacturing a lens (1, 2) that has a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system (IB) are introduced via an entry surface (Si) and directed towards the eye of the wearer to enable information content to be viewed, by means of a transparent optical insert (IA, 2A, I) constituted by a light guide, said insert (I) being with a form substantially identical to the form of a final lens suitable for being positioned in a frame (3) of a support.

Abstract: The invention provides an adjustment method for adjusting a binocular display, the display comprising for each eye of the wearer, an optical imager for shaping light beams corresponding to an image emitted by a beam generator device and for directing them towards each of the wearer's eyes so as to enable information content contained in a virtual image to be viewed, the display being associated with a pair of eyeglasses having two lenses supported by a frame. According to the invention, the method consists in moving at least one said lens (10A, 10B) relative to said frame (11) with three degrees of freedom, in order to obtain superposition of the two virtual images, each said imager being contained in said lens (10A, 10B) of said pair of eyeglasses.

Abstract: The invention concerns a method of manufacturing a lens (1, 2) that has a front face and a rear face, and into which light beams emitted by an optical element of a light beam generator system (113) are introduced via an entry surface (Si) and directed towards the eye of the wearer to enable information content to be viewed, by means of a transparent optical insert (IA, 2A, I) constituted by a light guide, said insert (I) being with a form substantially identical to the form of a final lens suitable for being positioned in a frame (3) of a support.

Abstract: A method for manufacturing an ophthalmic lens includes molding the lens (1) between a first mold portion (6A) and a second mold portion (6B) with the the first entry surface (4A) formed by making in the lens a molded cavity by means of a stud (6C) secured to the second mold portion (6B), and that the light guide (4) is temporarily secured to the stud (6C) prior to molding. The second entry surface (4B) is formed by making in the lens a molded cavity by means of a mold insert (7) temporarily secured to the light guide (4) prior to molding, the first mold portion (6A) being placed above said insert (7).

Abstract: A method of manufacturing an ophthalmic lens is provided where a first entry surface (4A) is formed by making in the lens a molded cavity by means of a stud (6C) secured to the second mold portion (6B), and that the light guide (4) is temporarily secured to said stud (6C) prior to molding. The second entry surface (4B) is formed by making in the lens a molded cavity by means of a mold part (7A) comprised of a peripheral cylindrical element (7), the first mold portion (6A) being placed above this peripheral cylindrical element (7) and the space between the first mold portion 6A and the second mold portion (6B) being closed by this peripheral cylindrical element (7).

Abstract: An eyeglass (10) is adapted for providing an ophthalmic vision and a supplementary vision to a wearer of said eye-glass, both ophthalmic and supplementary visions being sharp during respective periods. To this purpose, a transparent active device (3) is located between the back face (BF) of the eyeglass and a light-conducting element (2), this latter being embedded within the eyeglass and dedicated to output the light of the supplementary vision. The transparent active device switches between two optical power values, which are dedicated to make sharp the ophthalmic vision and the supplementary vision, respectively.

Abstract: The invention provides an adjustment method for adjusting a binocular display, the display comprising for each eye of the wearer, an optical imager for shaping light beams corresponding to an image emitted by a beam generator device and for directing them towards each of the wearer's eyes so as to enable information content contained in a virtual image to be viewed, the display being associated with a pair of eyeglasses having two lenses supported by a frame. According to the invention, the method consists in moving at least one said lens (10A, 10B) relative to said frame (11) with three degrees of freedom, in order to obtain superposition of the two virtual images, each said imager being contained in said lens (10A, 10B) of said pair of eyeglasses.