Abstract: A device (1) for cutting an ophthalmic lens (L1) to be mounted onto a spectacle frame, includes: elements (10) for locking and rotating the ophthalmic lens about a locking axis (A1); a tool holder which supports at least one first tool (60) rotatable about a rotational axis (A2) and a second tool (80) rotatable about a finishing axis (A6) and which has a spacing mobility (ESC) for the spacing apart thereof from the locking axis, a shifting mobility (TRA) for the axial positioning thereof along the locking axis, and a pivoting mobility (PIV) for adjusting the orientation of the rotational axis relative to the locking axis; and elements for controlling the three mobilities of the tool holder. The rotational and finishing axes are separate from one another.

Abstract: A calibration template for calibrating a machining device that has blocking elements for blocking an ophthalmic lens, and machining elements for machining the ophthalmic lens, the template including a fastener portion suitable for being fastened to the blocking elements and a calibration portion arranged around the fastener portion. The calibration portion is made out of a material that is suitable for being machined by the machining elements, and presents firstly a plurality of shape patterns, and secondly a plurality of visual identifiers each visually associated with one of the shape patterns.

Abstract: A calibration template for calibrating a machining device that has blocking elements for blocking an ophthalmic lens, and machining elements for machining the ophthalmic lens, the template including a fastener portion suitable for being fastened to the blocking elements and a calibration portion arranged around the fastener portion. The calibration portion is made out of a material that is suitable for being machined by the machining elements, and presents firstly a plurality of shape patterns, and secondly a plurality of visual identifiers each visually associated with one of the shape patterns.

Abstract: The machine includes: elements for supporting the lens and for driving it in rotation about a first axis of rotation, the rotation of the lens being driven by first driver element, a tool-carrier mounted to turn about a second axis of rotation, turning of the tool-carrier being driven by second driver element, a plurality of working tools mounted on the tool-carrier to rotate about tool axes, with at least two of the tools including tools for shaping the periphery of the lens for shaping having distinct tool axes, third driver element for driving relative spacing movements between the first axis of rotation and the second axis of rotation, swivel elements for enabling the tool-carrier to be pivoted relative to the first axis of rotation about a third axis of rotation that extends substantially transversely to the first axis of rotation.

Abstract: A method and device for edging an ophthalmic lens, includes turning the lens about a first axis of rotation and working on the edge face of the lens with a beveling grindwheel or cutter having a beveling groove or chamfer and mounted to rotate about a second axis of rotation. While machining the edge face of the lens with the beveling grindwheel or cutter, the first and second axis of rotation are moved dynamically relative to each other as a function of the angle of rotation of the lens about the first axis of rotation, in such a manner that during machining of each portion of the edge face of the lens, the tangent to the curve of the working portion of the beveling groove or chamfer is substantially parallel to the tangent to the curve of the bevel desired on the portion of the edge face.

Abstract: The present invention relates to a device and to a method for shaping an optical lens. According to the invention, a selection is provided between either a first tool (50) for machining the edge face of the lens, and a cutter tool (637) for cutting through the material of the lens, for the purpose of performing at least one given shaping operation. The invention also provides a method of shaping an optical lens coated in a treatment with low surface energy, the method including cutting through the material of the lens.

Abstract: A method of shaping an optical lens (100) includes at least one operation of edging along a desired outline that includes cutting through the material of the lens (100) includes a cutting-out tool (637). Cutting out includes a plurality of passes, each performed along the desired outline as a pass that is axially shallow.

Abstract: A pair of eyeglasses includes: a frame provided with at least one rim presenting an internal bezel; and a lens mounted in the frame, the lens presenting a front face, a rear face, and on its edge face, an engagement peripheral ridge presenting a rear flank, situated beside the rear face of the lens and a front flank situated beside the front face of the lens, the front and rear flanks being engaged in the internal bezel. The front flank of the engagement peripheral ridge presents continuity of at least first order with the remainder of the front face. The edge face of the lens presents a rear shoulder or foot, and in that the radial height of the engagement peripheral ridge considered between the peak of the peripheral ridge and the foot varies along the periphery of the lens.

Abstract: The invention relates to an automatic pupillometer comprising a light source suitable for generating a corneal reflection on at least one of the eyes of an individual facing first and second windows, a collimator lens serving at least to position the light source to correspond to far vision of the individual, a detection receiver for automatically locating said reflection, and a calculator for calculating the pupillary distance of said individual. According to the invention, the pupillometer also comprises a third window where the eye of an observer responsible for the measurement is designed to be placed in the vicinity of the focus of said lens so as to view and verify measurement conditions.

Abstract: A device includes pivoting elements enabling the drilling axis (A6) of the drilling tool (35) to be pivoted (PIV) about the axis of orientation, and elements for adjusting the angular position of the drilling tool (35) about the axis of orientation. It also includes first mobility members enabling relative mobility of the drilling tool (35) in relation to the lens to be drilled (L), or vice-versa, according to a first degree of mobility (ESC) which is distinct from the pivoting of the drilling axis of the drilling tool (35) about the axis of orientation. The elements for adjustment are configured so as to control the pivoting of the drilling axis (A6) of the drilling tool (35) about the axis of orientation, in favor of the first degree of relative mobility of the drilling tool (35) in relation to the lens (L) that is to be drilled.

Abstract: A method of capturing a substantially front-view image of the face of a wearer wearing at least one frame (10), the image being captured by an image-capture appliance (1), and calculating the geometrico-physiognomic parameter (H, TETA) by processing the captured image. The calculation of the geometrico-physiognomic parameter (H, TETA) includes identifying in the image the image of a predetermined remarkable point (RC) that is directly or indirectly associated with the wearer's face or with the frame, and it takes into consideration a magnitude representative of the absolute vertical angle of observation (GAMMA) formed between firstly an observation line (DO) connecting the pupil (7) of the image-capture appliance (1) to the remarkable point (RC), and secondly its projection onto a horizontal plane (PF).

Abstract: A method of working the periphery of an ophthalmic lens (L), the periphery of the lens possessing an edge face (C) and the method including edging the edge face of the lens by machining with a first grindwheel (31) mounted to rotate about an axis of rotation (A4). According to the invention, during the edging, in addition to being free to rotate about the axis of rotation, the first grindwheel possesses two degrees of freedom to move in tilting about two distinct pivot directions that are substantially transverse to its axis of rotation.

Abstract: The invention relates to an automatic pupillometer comprising a light source suitable for generating a corneal reflection on at least one of the eyes of an individual facing first and second windows, a collimator lens serving at least to position the light source to correspond to far vision of the individual, a detection receiver for automatically locating said reflection, and a calculator for calculating the pupillary distance of said individual. According to the invention, the pupillometer also comprises a third window where the eye of an observer responsible for the measurement is designed to be placed in the vicinity of the focus of said lens so as to view and verify measurement conditions.

Abstract: A method of capturing a substantially front-view image of the face of a wearer wearing at least one frame (10), the image being captured by an image-capture appliance (1), and calculating the geometrico-physiognomic parameter (H, TETA) by processing the captured image. The calculation of the geometrico-physiognomic parameter (H, TETA) includes identifying in the image the image of a predetermined remarkable point (RC) that is directly or indirectly associated with the wearer's face or with the frame, and it takes into consideration a magnitude representative of the absolute vertical angle of observation (GAMMA) formed between firstly an observation line (DO) connecting the pupil (7) of the image-capture appliance (1) to the remarkable point (RC), and secondly its projection onto a horizontal plane (PF).

Abstract: The machine includes: elements for supporting the lens and for driving it in rotation about a first axis of rotation, the rotation of the lens being driven by first driver element, a tool-carrier mounted to turn about a second axis of rotation, turning of the tool-carrier being driven by second driver element, a plurality of working tools mounted on the tool-carrier to rotate about tool axes, with at least two of the tools including tools for shaping the periphery of the lens for shaping having distinct tool axes, third driver element for driving relative spacing movements between the first axis of rotation and the second axis of rotation, swivel elements for enabling the tool-carrier to be pivoted relative to the first axis of rotation about a third axis of rotation that extends substantially transversely to the first axis of rotation.

Abstract: A pair of eyeglasses includes: a frame provided with at least one rim presenting an internal bezel; and a lens mounted in the frame, the lens presenting a front face, a rear face, and on its edge face, an engagement peripheral ridge presenting a rear flank, situated beside the rear face of the lens and a front flank situated beside the front face of the lens, the front and rear flanks being engaged in the internal bezel. The front flank of the engagement peripheral ridge presents continuity of at least first order with the remainder of the front face. The edge face of the lens presents a rear shoulder or foot, and in that the radial height of the engagement peripheral ridge considered between the peak of the peripheral ridge and the foot varies along the periphery of the lens.

Abstract: A method of working the periphery of an ophthalmic lens (L), the periphery of the lens possessing an edge face (C) and the method including edging the edge face of the lens by machining with a first grindwheel (31) mounted to rotate about an axis of rotation (A4). According to the invention, during the edging, in addition to being free to rotate about the axis of rotation, the first grindwheel possesses two degrees of freedom to move in tilting about two distinct pivot directions that are substantially transverse to its axis of rotation.

Abstract: Contour reading device, in particular for eyeglass frame rims, including a carrier axis (A) projecting transversely to the surface of a turntable (6), a carrier arm (18) which is mounted at one end to turn about the carrier axis (A) and at the other end of which a feeler (8) is mounted, whereby the feeler (8) is mobile relative to the turntable (6) along a circular arc path centered on the carrier axis (A).

Abstract: A method and device for edging an ophthalmic lens, includes turning the lens about a first axis of rotation and working on the edge face of the lens with a beveling grindwheel or cutter having a beveling groove or chamfer and mounted to rotate about a second axis of rotation. While machining the edge face of the lens with the beveling grindwheel or cutter, the first and second axis of rotation are moved dynamically relative to each other as a function of the angle of rotation of the lens about the first axis of rotation, in such a manner that during machining of each portion of the edge face of the lens, the tangent to the curve of the working portion of the beveling groove or chamfer is substantially parallel to the tangent to the curve of the bevel desired on the portion of the edge face.