Patent application number | Description | Published |
20080207092 | Method of Centering a Non-Edged Ophthalmic Lens in Which the Centering Point of the Lens is Offset Relative to Its Geometric Center - The invention relates to a method for centering an uncut single vision ophthalmic lens ( | 08-28-2008 |
20090140036 | METHOD OF ACQUIRING OF AT LEAST A PORTION OF THE SHAPE OF A SECTION OF A SPECTACLE FRAME CIRCLE - The method includes acquiring at least one geometrical characteristic of the section, which includes: a step of reading from a register ( | 06-04-2009 |
20090308542 | DEVICE FOR APPLYING A COATING ON A LENS, THE DEVICE INCLUDING MEANS FOR INFLATING A MEMBRANE - A device for applying a coating film ( | 12-17-2009 |
20100006219 | METHOD OF APPLYING A COATING ON A FACE OF A LENS, AND APPARATUS FOR IMPLEMENTING SUCH A METHOD - Described is a method and a device for applying a coating film ( | 01-14-2010 |
20100112908 | METHOD OF SHAPING AN OPHTHALMIC LENS - A method of shaping an ophthalmic lens includes machining the edge face of the lens by at least one rotary tool having an axis of rotation movable relative to the lens axis, both in rotation and radial and axial translation. These movements are controlled so that the edge face of the lens presents a profiled shape with an engagement ridge suitable for engaging in a bezel of eyeglasses and first and second margins. Given first and second longitudinal curves of the first and second margins, respectively, the edge face of the lens is machined in such a manner that, at each axial section of the lens, the traces in the axial section of the first and second longitudinal curves present first and second distances from the axis of the lens, with the difference (rs) therebetween being a function of the position of the plane of the axial section under consideration. | 05-06-2010 |
20100184356 | DEVICE FOR MACHINING AN OPHTHALMIC LENS - The shaper device for shaping an ophthalmic lens comprises a blocking support on a blocking axis, a shaper tool, an electronic or computer unit for controlling the position of said shaper tool, and a man/machine interface connected to said electronic or computer unit, and comprising a display screen ( | 07-22-2010 |
20100309429 | VISUAL DEVICE INCLUDING AN OPHTHALMIC LENS HAVING A PARTIALLY CROPPED INSERTION RIB, AND METHOD FOR PREPARING SUCH LENS - Visual equipment includes an ophthalmic lens having an edge face provided with an engagement ridge. Also described is a method of preparing such equipment. The engagement ridge includes at least fifteen bearing sections alternating with as many free singular sections, the free singular sections being smaller in width and/or in height by at least 0.05 millimeters relative to the bearing sections (Sa). | 12-09-2010 |
20100309430 | METHOD OF PREPARING AN OPHTHALMIC LENS WITH SPECIAL MACHINING OF ITS ENGAGEMENT RIDGE - A method of preparing an ophthalmic lens for mounting in a surround of an eyeglass frame includes an acquisition step of acquiring a first longitudinal profile of the surround and an orientation parameter of the first longitudinal profile relative to a horizon line or a verticality line of the surround, and an edging step of edging the ophthalmic lens so as to form a generally profiled engagement ridge of desired section that extends along a second longitudinal profile ( | 12-09-2010 |
20110292345 | DEVICE AND A METHOD FOR MEASURING A CHARACTERISTIC READING DISTANCE OF AN INDIVIDUAL IN A NEAR VISION NATURAL POSTURE - A measurement device ( | 12-01-2011 |
20110295117 | DEVICE FOR MEASURING A CHARACTERISTIC READING DISTANCE OF AN INDIVIDUAL - A device for measuring a characteristic reading distance of an individual, includes a measurement support carrying at least one ultrasound emitter member and at least one ultrasound receiver member, at least one of these members, referred to as a main measurement member, possessing a measurement axis on which emission or reception by the main measurement member is privileged, and being suitable for emitting or receiving ultrasound propagating in a measurement cone centered on its measurement axis. The device further includes an electronic processor unit adapted, as a function of the ultrasound signal received by the receiver member, to deliver a signal representative of the distance between the measurement support and an eyeglass frame worn by the individual's head, and to deduce therefrom the characteristic reading distance, and elements to verify that the eyeglass frame is situated at least in part in the measurement cone of the main measurement member. | 12-01-2011 |
20130095733 | METHOD FOR TRIMMING AN OPHTHALMIC EYEGLASS LENS COMPRISING A COATING FILM - Method of shaping an ophthalmic eyeglass lens presenting two main optical working faces and including firstly a substrate made of a first material and presenting two main faces corresponding to the two main faces of the lens, and secondly at least one coating film made of a material distinct from that of the substrate, the coating film being previously secured on at least one of the main faces of the substrate, includes:
| 04-18-2013 |
20130314668 | METHOD FOR DETERMINING AT LEAST ONE GEOMETRIC/PHYSIOGNOMIC PARAMETER ASSOCIATED WITH THE MOUNTING OF AN OPHTHALMIC LENS IN A SPECTACLE FRAME WORN BY A USER - Method includes: (a) placing on a user's head an accessory including at least one brightness calibration element having at least two contrasted zones; (b) capturing an image of the user's head with the accessory thereon with a device; (c) determining the position of the image of the brightness calibration element of the accessory on the captured image; (d) determining a measured value of the brightness of one part of the image of the brightness calibration element or of the image located close to the brightness calibration element; (e) modifying a parameter for adjusting the optical image-acquisition conditions of the device as a function of the measured value to improve the contrast of the image of contrasted zones of the calibration element; (f) capturing another image with the modified parameter for adjusting the optical acquisition conditions; and (g) determining the required geometric/physiognomic mounting parameter on the basis of the other image. | 11-28-2013 |
20130321763 | METHOD FOR DETERMINING, IN A NATURAL POSTURE, AT LEAST ONE GEOMETRIC/PHYSIOGNOMIC PARAMETER ASSOCIATED WITH THE MOUNTING OF AN OPHTHALMIC LENS IN A SPECTACLE FRAME - Method for determining, in a natural posture, at least one geometric/physiognomic parameter associated with the mounting of an ophthalmic lens in a spectacle frame intended to be worn by a wearer. The method includes: (a) capturing at least one substantially frontal image of the wearer's head; (b) determining a measured value of an angle of inclination during the capturing step, which depends on the inclination of the wearer's head about a main axis perpendicular to a sagittal plane of the wearer's head; (c) determining a reference value of the angle of inclination corresponding to a natural posture of the wearer's head; and (d) determining the required geometric/physiognomic parameter on the basis of the substantially frontal image captured and as a function of the difference between the measured value of the angle of inclination determined in step (b) and the reference value of the angle of inclination determined in step (c). | 12-05-2013 |
20140098343 | METHOD FOR DETERMINING THE DOMINANT EYE - A method is provided for determining the dominant eye of a person using equipment designed to acquire at least one image of the face of the person, then process the image, and finally return information enabling the person to know which eye is the dominant eye thereof. The method uses a sighting device that is identifiable and locatable in relation to the equipment, with the viewing being carried out through a window with both eyes open. The size of the window is such that it does not allow the person to see said target with both eyes at the same time. The equipment acquires at least one image for viewing the position of both eyes of the person, processing the image by performing calculations while taking into account the position of a central point located between both eyes, the position of the target and the position of the window. | 04-10-2014 |
20140218679 | METHOD AND DEVICE FOR DETERMINING AT LEAST ONE CUSTOMIZED ADJUSTMENT PARAMETER OF A LENS CARRIED BY A SPECTACLES FRAME FACING THE EYE OF A WEARER - A method for evaluating at least one individualized fitting parameter for a lens mounted in a spectacle frame. The method includes the following steps: (a) evaluating a postural parameter of the wearer of the spectacle frame in a vision posture, the postural parameter being selected from a plurality of preset postural parameters; (b) evaluating a second pantoscopic angle formed between, on the one hand, the projection of the temple of the frame onto the sagittal plane of the wearer, and on the other hand, the trace, on the same plane, of the front side of the frame; and (c) evaluating the first pantoscopic angle as a function of, on the one hand, the second pantoscopic angle evaluated in step (b), and on the other hand, the postural parameter of the wearer evaluated in step (a). | 08-07-2014 |
20140293219 | METHOD FOR DETERMINING READING DISTANCE - A method for determining reading distance for an individual made to observe a reading zone includes positioning the individual in front of an apparatus to learn their reading distance. The individual reads of a zone that is placed on a portable tablet and equipped with at least one location marker. At least one image is acquired allowing at least one facial reference point of the individual and each marker of the reading tablet. The images is processed taking into account the position of the facial reference point of the individual and the position of the at least one marker of the tablet and the indicating of the reading distance is conveyed. | 10-02-2014 |
20150019389 | Method For Ordering A Spectacle Lens And Associated System - A method and an associated system for ordering a spectacle lens by a wearer ( | 01-15-2015 |
20150049306 | METHOD FOR DETERMINING A BEHAVIOURAL, POSTURAL OR GEOMETRIC-MORPHOLOGICAL CHARACTERISTIC OF A PERSON WEARING SPECTACLES - A method for determining at least one behavioural, postural or geometric-morphological characteristic of a person wearing spectacles, the method includes the steps of: a) illuminating the wearer's head using an infrared light source ( | 02-19-2015 |