Abstract: A method for determining an electronic spectacle frame element of a spectacle frame, including providing electronic element data relating to an electronic element to be embodied in a spectacle frame element; providing predetermined spectacle frame element data related to at least one geometrical parameter of a predetermined spectacle frame element, corresponding to the wearer demand; defining a working electronic spectacle frame element including a working spectacle frame element and an electronic element embodied in the working spectacle frame element based on the electronic element data, modifying the working electronic spectacle frame element, and determining the electronic spectacle frame element by repeating the modifying step so as to minimize the difference between the geometrical parameters of the predetermined spectacle frame element and the working spectacle frame element.

Abstract: An apparatus and a method for measuring individual data of spectacles arranged in a measurement position are disclosed. The spectacles have a left and/or a right spectacle lens. The apparatus has a display for displaying a test structure. The apparatus contains an image capture device for capturing the test structure with an imaging beam path which passing through the left spectacle lens and/or the right spectacle lens of the spectacles. Further, the apparatus includes a computer unit with a computer program for determining a refractive power distribution for at least a section of the left spectacle lens and/or the right spectacle lens from the image of the test structure captured by the image capture device and a known spatial orientation of the display relative to the image capture device. To measure individual data of spectacles, the spectacles are arranged in a measurement position.

Abstract: Method for designing a pair of ophthalmic lenses and device for optical measurements. The method comprises: determining a distance and placing an object (100) at said distance; placing a frame (4) of reference on the user; for each eye: keeping it uncovered and covering the other eye; placing in front of the eye a screen (5, 6) with a through hole (520, 620); shifting the position of the hole (520, 620) until the user sees said object (100) looking through the hole (520, 620), so that said object (100) is centred in the field of view available; uncovering both eyes; adjusting the positions of the holes (520, 620), to obtain binocular vision; and designing each lens (510, 610) according to said position. The device (1) comprises a frame (2) to which, for each eye, a first plate (51, 61) having a vertical groove (53, 63) and a second plate (52, 62) having a horizontal groove (54, 64) are attached and can be shifted. So that, when the grooves overlap, a pinhole (55, 65) is formed.

Abstract: A method includes generating a real-time ultrasound image of anatomy of interest. At least a sub-portion of the anatomy of interest is deformed from an initial location to a different location by pressure applied by an external force. The method further includes obtaining a 2-D slice, which corresponds to a same plane as the real-time ultrasound image, from 3-D reference image data, wherein a corresponding sub-portion is at the initial location. The method further includes determining displacement fields for the sub-portion from the sub-portion, the corresponding sub-portion and other anatomy not-deformed in the real-time ultrasound image and the 3-D reference image data. The method further includes deforming the 3-D reference image data using the displacement fields, which creates deformed 3-D reference image data based on the different location.

Abstract: Embodiments of the present disclosure provide a method and an apparatus for displaying a business object in a video image and an electronic device. The method for displaying a business object in a video image includes: detecting at least one target object from a video image, and determining a feature point of the at least one target object; determining a display position of a to-be-displayed business object in the video image according to the feature point of the at least one target object; and drawing the business object at the display position by using computer graphics. According to the embodiments of the present disclosure, the method and apparatus are conductive to saving network resources and system resources of a client.

Abstract: Information is stored in an optical element in the form of a glass or plastic body embodied as spectacles lens, spectacles lens blank or spectacles lens semi-finished product. The information in the form of data is stored on or in the glass or plastic body by creating at least one marking with a marking system. The marking can be read by a reading apparatus. The marking system has an interface for reading information individualizing the optical element. The marking is created permanently by the marking system on or in the optical element at a definition point of a local body-specific coordinate system set by two points on or in the optical element. In this body coordinate system, the manufacturer specifies the position of the lens horizontal and/or the far and/or the near and/or the prism reference point.

Abstract: A body information analysis apparatus capable of indicating shading-areas includes: an image capturing module (12) for capturing an external image; a processor (10) electrically connected to the imager capturing module (12), stored multiple face types and multiple indicating processes respectively corresponding to each of the face types, wherein the processor (10) determines a face type of a face when the face is recognized in the external image, and executes one of the multiple indicating processes corresponding to the determined face type, so as to indicate shading-areas on the face; a mirror screen (11) for reflecting the face of a user; and, a display module (111) electrically connected to the processor (10) and arranged inside the mirror screen (11), for displaying the indicated shading-areas and the displayed shading-areas are overlapped with the face.

Abstract: A method for matching points between three images of a scene comprises retrieving three images acquired by a sensor, extracting blobs from said reflection in said two images; for each given extracted blob of the first image: selecting a selected epipolar plane; identifying plausible combinations; calculating a matching error; repeating the steps of selecting, identifying and calculating for each epipolar plane of the set of epipolar planes; determining a most probable combination; identifying matching points between the two images; validating the matching points between the two images, said validating comprising for each pair of matching points, determining a projection of the pair of matching points in a third image of the third camera; and providing the validated pairs of matching points.

Abstract: A body information analysis apparatus capable of indicating shading-areas includes: an image capturing module (12) for capturing an external image; a processor (10) electrically connected to the imager capturing module (12), stored multiple face types and multiple indicating processes respectively corresponding to each of the face types, wherein the processor (10) determines a face type of a face when the face is recognized in the external image, and executes one of the multiple indicating processes corresponding to the determined face type, so as to indicate shading-areas on the face; and, a display module (111) electrically connected to the processor (10), for displaying the indicated shading-areas and the image of the face simultaneously.

Abstract: An optical viewing device, consisting of glasses, goggles, visor or other head-worn device, comprised of a vertical aperture, or apertures, designed to limit an athlete's visual field of view and increase the user's focus on the ball position. In this manner, the athlete's eye to ball alignment is enhanced, leading to reduced head movements during use. The improved performance is directly enhanced by the improved eye-ball alignment and reduced head movement during the sporting activity.

Abstract: A device is provided for obtaining an image of eyewear from a forced perspective such that measurements of the eyewear can be obtained from the image. The device includes a horizontal alignment indicator and a vertical alignment indicator that each span across two non-coplanar surfaces. When an image is captured from the proper predefined horizontal and vertical positions with respect to the device, the horizontal and vertical indicators will align across the two non-coplanar surfaces. The device can also include a distance indicator. The device can be constructed from a kit that can be easily mailed in a flat envelope. A mobile device can be configured to assist with capturing the measurement image and provide feedback to assist the user to properly position the mobile device to obtain the measurement image.

Abstract: A system and method of generating machine marking instructions for marking an ophthalmic lens is disclosed. The method comprises the steps of receiving lens order data related to a lens order, receiving an initial marking layout and calculating, using the lens order data, ophthalmic lens data of an ophthalmic lens related to the lens order. The method also comprises the steps of determining, using the ophthalmic lens data, marking parameters relating to the ophthalmic lens, producing an additional marking layout by modifying the initial marking layout using the marking parameters and the lens order data, the additional marking layout representing the markings to be applied to the ophthalmic lens, and generating machine marking instructions arranged to cause a marking machine to mark the ophthalmic lens in accordance with the additional marking layout.

Abstract: An optoelectronic apparatus and method is provided. The application of which provides a quantitative index of cataract opacity in the human eye to help the clinical practitioner screen patients for referral for cataract lens replacement surgery. The invention includes at least one adjustable intensity optical reference light source selected from the group consisting of a green light source and a red-light source. The invention also includes at least one fixed intensity cataract absorption light source, selected from the group consisting of a blue light source, an indigo light source, and a violet light source.

Abstract: A device is used which comprises a transparent support positioned between illumination means and a camera. A frame axis is formed on a demonstration lens, for which the convex face is laid on the support. The contour (34) and the frame axis (10I) are captured, and the barycenter (B) of said contour is determined in order to place a machining adapter therein. Application to the grinding of ophthalmic lenses.

Abstract: An exemplary virtual facebow system comprises a software program which is run on a tablet or other portable computing device with a microprocessor, an internal memory component, an image capture device, and a display screen. The virtual facebow system is used to record characteristics of the occlusal arch of a patient including, but not limited to, the midline of the patient's face, the steepness and cant of the occlusal arch, as well as a record of which maxillary (upper) teeth make contact with which mandibular (lower) teeth. The recorded characteristics are then used to replicate the alignment of the patient's occlusal arch with the maxillary cast in a lab stand, and the maxillary cast can then be moved to an articulator for the production of customized dental prosthetics for the patient including, but not limited to, restorations and partial or full dentures.

Abstract: A method for preparing a spectacle frame (1) adapted to a face, the spectacle frame (1) having a bridge (11) between two optical lenses (9-10) and a surface (2) having end pieces (5-6) to which temples (3-4) are connected. The method includes providing an image of the face; identifying the characteristic points on the image of the face; identifying shape points on the image of the face; identifying the shape of the face from among predefined characteristic shapes using the shape points; determining from the characteristic points a frame of reference for receiving the surface of the spectacle frame; and determining the height position and width of the end pieces relative to the surface of the spectacle frame depending on the face shape identified.

Abstract: There is provided an eyeglass frame shape measuring apparatus includes an eyeglass frame holding unit which holds an eyeglass frame, and a measuring unit which measures a shape of a rim of the eyeglass frame by tracing a contour of the rim of the eyeglass frame. The measuring unit includes a tracing stylus which is inserted into a groove of the rim, a tracing stylus moving unit which moves the tracing stylus in a radial direction of the rim, and a rotating unit which rotates the tracing stylus moving unit about a first axis set to pass through an inside of the contour of the rim such that the tip of the tracing stylus traces the rim along the contour of the rim, and which is disposed on a rear side of the eyeglass frame held by the eyeglass frame holding unit.

Abstract: A laser level eyewear apparatus for providing a level indication visible by a wearer through the lenses comprises a pair of base glasses for wearing in front of a user's eyes having a frame, two modified lenses through which the wearer can look, a level projection assembly that is biased to return to and remain in an orientation to project a laser indication a level orientation through the lenses, and a battery that supplies electrical power to the level projection assembly. The frame defines a frame style similar to that in conventional eyeglasses, except that it not only holds the integrated, modified lenses in place over the eyes of one wearing the frame, its eyewire area is structured to surround the edges of the modified lenses so as to allow the laser from the level projection assembly to freely pass through the lenses.

Abstract: Methods and tools for evaluating fit of eyewear are provided. In an exemplary embodiment, the method includes steps of evaluating coverage provided by an eyewear article on the face of the wearer and evaluating a gap formed between a peripheral edge of the eyewear article and the face of the wearer.

Abstract: An eyeglass frame shape measuring apparatus includes: a frame holding unit holding an eyeglass frame; a tracing stylus inserted into a bevel groove of the rim; a moving unit moving the tracing stylus; and a controller controls the moving unit and obtains measurement data of a shape of the rim. The controller controls the moving unit based on a first measurement operation to perform a first measurement. The controller decides whether the first measurement is performed in a first state in which the tracing stylus is inserted into the bevel groove at the time of starting the first measurement or a second state in which the tracing stylus is not inserted into the bevel groove at the time of starting the first measurement. If the controller decides that it is the second state, the controller performs a second measurement based on a second measurement operation.

Abstract: A measuring assembly for measuring an inside of a lens frame of a spectacle frame, said lens frame at least partially delimiting an inscribed surface area F that corresponds to a lens shape, comprising a holding device for mounting the spectacle frame, at least one light source for generating a light beam to be projected on a region of the lens frame to be evaluated, and at least one sensor that can be coupled to an evaluation unit for detecting the reflected light beam, wherein the holding device can be rotated about a rotational axis r and moved in the direction of a movement axis x, and the movement axis x comprises at least one movement component in a direction perpendicular to the rotational axis r. The holding device is used to fix the spectacle frame by spectacle frame bows, wherein at least one free space is provided in the region of the holding device, said free space being used to receive the spectacle frame bows of a spectacle frame to be held which are not folded in or cannot be folded in.

Abstract: A measuring device for creating prescription eyeglasses including a rigid eyeglasses template and a rhinometer. The template is made of a face part including two rims that are spaced apart and connected by a bridge. An earpiece is rigidly and removably attached to each side of the face part. The face part of the template is provided with a lining-up means that is precisely positioned on the outer surface of the face part. The rhinometer comprises two parts that are slidable against each other, each part having flanges comprising an angled edge. The angled edges of the flanges of one of the parts slant in an opposite manner to the flanges of the other part, each flange of one of said parts forming a pair of flanges with a flange of the other part, the spacing of said pair being variable so as to form a measuring device.

Abstract: A lens meter includes a measurement optical system having a light source, measurement target plate, and light receiving sensor. A lens table has an opening where a measurement optical axis of the measurement optical system passes. A frame support member includes a support plate that contacts a left rim and right rim of a spectacle frame. The support plate is moved toward the lens table by a guide mechanism. The frame support member further includes a cutout portion in the support plate that allow the lens, placed on the lens table, to measure a point near an edge of the lens located on the support plate side. A pad contacts and prevents the rim from entering the cutout portion. The pad is provided in at least a part of the cutout portion. A pad moving mechanism moves the pad from the contact surface.

Abstract: There is provided an eyeglass frame shape measuring apparatus includes an eyeglass frame holding unit which holds an eyeglass frame, and a measuring unit which measures a shape of a rim of the eyeglass frame by tracing a contour of the rim of the eyeglass frame. The measuring unit includes a tracing stylus which is inserted into a groove of the rim, a tracing stylus moving unit which moves the tracing stylus in a radial direction of the rim, and a rotating unit which rotates the tracing stylus moving unit about a first axis set to pass through an inside of the contour of the rim such that the tip of the tracing stylus traces the rim along the contour of the rim, and which is disposed on a rear side of the eyeglass frame held by the eyeglass frame holding unit.

Abstract: An eyeglass frame shape measurement device includes: an eyeglass frame holding unit including a first slider and a second slider for holding an eyeglass frame; a rim measuring unit including a tracing stylus for a rim of the eyeglass frame, and detecting the movement position of the tracing stylus to measure a shape of the rim; a template holder configured to attach a template and a measurement object of a demo lens; a template measuring unit including a tracing stylus shaft configured to contact an edge of the measurement object attached to the template holder, for measuring radius vector information of the measurement object; and a housing portion provided to house the template holder and provided in one of the first slider and the second slider when measurement using the template measuring unit is not being performed.

Abstract: An eyeglass frame shape measuring apparatus includes: a frame holding unit holding an eyeglass frame; a tracing stylus inserted into a bevel groove of the rim; a moving unit moving the tracing stylus; and a controller controls the moving unit and obtains measurement data of a shape of the rim. The controller controls the moving unit based on a first measurement operation to perform a first measurement. The controller decides whether the first measurement is performed in a first state in which the tracing stylus is inserted into the bevel groove at the time of starting the first measurement or a second state in which the tracing stylus is not inserted into the bevel groove at the time of starting the first measurement. If the controller decides that it is the second state, the controller performs a second measurement based on a second measurement operation.

Abstract: The present invention relates to an ophthalmic holding mechanism for holding an eyeglass frame. The holding mechanism includes a base, a clamping mechanism configured for releaseably securing a lens mount of an eyeglass frame, and an actuator operatively associated with the clamping mechanism for causing linear and rotational movement thereof. The clamping mechanism is moveably coupled to the base for linear and rotational movement about an axis of rotation relative to the base, wherein the clamping mechanism is rotatable about first and second spaced pivot points. The present invention also relates to a method of tracing a lens mount of an eyeglass frame.

Abstract: An eyeglass frame shape measurement apparatus includes a measuring unit measuring shapes of right and left rims of an eyeglass frame. Measuring modes include a first measuring mode in which whole peripheries of both rims are measured; a second measuring mode in which the whole periphery of one of the right and left rims; and a third measuring mode in which nose side portions of the left rim and the nose side portion of the right rim are partially measured. A controller drives the measuring unit to measure the whole peripheries of both rims in the first measuring mode, for driving the measuring unit to measure the whole periphery of one of the left and right rims in the second mode, and drive the measuring unit to measure partially the nose side portions of both rims in the third mode.

Abstract: An apparatus for measuring a shape of an eyeglass frame, includes: a tracing stylus to detect a position of the rim in a moving radius direction and in a vertical, a tracing stylus shaft for the tracing stylus, a holding unit movably holding the tracing stylus shaft and including a pressure applying element for pressing a tip end of the tracing stylus to the rim, a moving unit for moving the holding unit, a rotating unit for rotating the holding unit around an axis along a vertical direction; a moving radius position detection unit configured to detect a position of the tracing stylus; and a controller configured to obtain a rotating angle of the rotating unit and a position of the holding unit in the moving radius direction at a next measurement position, and control the rotating unit and the moving unit.

Abstract: A vision shift amount measuring method includes: forming a reference mark indicating a distance eye point on a surface of a spectacle lens attached to a spectacle frame practically worn by a wearer, and forming a plurality of opaque lines in an area expected to contain a shifted vision on the surface of the spectacle lens with a predetermined space between the adjoining lines; and allowing the wearer wearing the spectacle frame to select the line closest to a position through which the vision passes from the plural formed lines.

Abstract: A method includes: a) defining position-identification elements for identifying the position of a first frame of reference associated with a wearer's head in a second frame of reference associated with an image-capture device and for identifying the angle of inclination of the first frame of reference in the sagittal plane of the wearer's head about a center of rotation of the head; b) capturing a series of at least two images of the wearer's head; c) determining, in the second frame of reference, a position of the center of rotation; d) identifying, in each image, the image of a first anatomical point of the wearer's face; e) determining, in each image, the angle of inclination relative to a reference plane of an anatomical plane that is perpendicular to the sagittal plane and that contains the center of rotation and the first anatomical point; f) comparing the angle with a predetermined value; and g) determining the geometrical-and-postural parameter as a function of the comparison.

Abstract: This invention discloses a spectacle edging assist device including a flexible layout chart, chart holding portion, and spectacle frame holding portion. An index used to determine the suitability of a lens while the layout chart is superposed on a spectacle frame is drawn on the flexible layout chart. The chart holding portion holds the layout chart upon bending the layout chart to have a curvature corresponding to the frame curve of the spectacle frame, and also holds the layout chart to be movable in the horizontal direction of the spectacle frame. The spectacle frame holding portion holds the spectacle frame so that its front portion overlaps the layout chart. The chart holding portion brings at least two end pieces of the spectacle frame into contact with the layout chart. A spectacle lens suitability determining method is also disclosed.

Abstract: A relationship between a rim shape and a position of a mounting hole is obtained based on a detection signal from the second position detector (40) by controlling a measuring element shifter (6) to move the leading end of a measuring element for a lens (36) to have contact with an refracting face of the lens (Lm) held in the lens holder.

Abstract: An eyeglass lens processing apparatus includes lens chuck shafts, processing tools for processing a lens and processing tool rotating shafts to which the processing tools are attached. A calibration sensor unit for calibrating the eyeglass lens processing apparatus includes: an attachment portion attached to the lens chuck shafts; a contact member contacting the processing tools; a support mechanism configured to movably support the contact member and has an urging member that urges the contact member in a direction separating from the attachment portion; and a sensor that detects the contact of the contact member with the processing tools. The urging member has an urging force by which the processing tool rotating shafts and the lens chuck shafts are not bent to a predetermined tolerance or more when the contact member contacts the processing tools and is moved toward the attachment portion.

Abstract: A measuring device for creating prescription eyeglasses including a rigid eyeglasses template and a rhinometer. The template is made of a face part including two rims that are spaced apart and connected by a bridge. An earpiece is rigidly and removably attached to each side of the face part. The face part of the template is provided with a lining-up means that is precisely positioned on the outer surface of the face part. The rhinometer comprises two parts that are slidable against each other, each part having flanges comprising an angled edge. The angled edges of the flanges of one of the parts slant in an opposite manner to the flanges of the other part, each flange of one of said parts forming a pair of flanges with a flange of the other part, the spacing of said pair being variable so as to form a measuring device.

Abstract: An eyeglass frame shape measurement device includes: an eyeglass frame holding unit including a first slider and a second slider for holding an eyeglass frame; a rim measuring unit including a tracing stylus for a rim of the eyeglass frame, and detecting the movement position of the tracing stylus to measure a shape of the rim; a template holder configured to attach a template and a measurement object of a demo lens; a template measuring unit including a tracing stylus shaft configured to contact an edge of the measurement object attached to the template holder, for measuring radius vector information of the measurement object; and a housing portion provided to house the template holder and provided in one of the first slider and the second slider when measurement using the template measuring unit is not being performed.

Abstract: A method for determining a contour data set of a spectacle frame rim comprising the steps of: a) providing a plurality (N) of three dimensional measured points along a contour of a spectacle frame rim; b) calculating a plurality of best torus that fits P points chosen among the N measured points and where P is equal or more than 4; c) selecting the (T) points among the N measured points that deviate from one of the best torus more than a threshold value; and d) forming the contour data set with (N-T) three dimensional measured points where the T selected points of step c) are excluded from the list of three dimensional measured points of step a).

Abstract: A device and method for measuring the pantoscopic tilt of a lens installed in a frame, the device comprising an orientation sensor for measuring pantoscopic tilt and an attachment member to attach the device to a lens. The method comprises marking a center of the pupil on a lens while a patient is wearing the spectacles, attaching a measurement device at the marked center of the pupil point and while the device is attached to the lens, reading the pantoscopic tilt value from the device while the patient is wearing the spectacles in a natural position of the head for looking at the horizon.

Abstract: To provide a calibration jig which can perform three-dimensional calibration of measurement errors in a spectacle frame shape measuring apparatus. The calibration jig is used for calibrating measurement errors of the spectacle frame shape measuring apparatus for measuring a shape of a spectacle frame, etc. A trace groove traced by a measuring probe of the spectacle frame shape measuring apparatus is a frame groove formed in an inner circumference of rims of the spectacle frame and provided for engaging with the bevel of a spectacle lens. The rims are secured to a frame body having rigidity higher than that of the rim. The frame groove has a displacement r in the radial direction, a displacement ? in the rotational direction, and a displacement z in the height direction.

Abstract: A spectacle lens frame shape measuring apparatus includes a holding device including upper pins and lower pins respectively holding upper rims and lower rims of frames for a spectacle lens, the upper pins holding the frames at different positions in a right-left direction from the positions at which the lower pins hold the frames and being placed at a same height as the lower pins in a vertical direction, a probe brought into contact with lens fitting grooves of the frames held by the holding device, a swinging mechanism swinging the holding device around a predetermined virtual axis, and a calculation controller calculating an axial shift amount or angle of the frames held by the holding device on the basis of a carved angle of the frames and an inclination angle of any one of the upper and lower rims, and correcting a shape of the frames obtained by the probe in accordance with the calculated axial shift amount or angle.

Abstract: The correction method includes searching for one or more anomalous zones (S1, S2), if any, of the sensed curve (19), and if one or more anomalous zones are found, correcting the shape of each anomalous zone of the sensed curve.

Abstract: The present invention relates to an ophthalmic holding mechanism for holding an eyeglass frame. The holding mechanism includes a base, a clamping mechanism configured for releaseably securing a lens mount of an eyeglass frame, and an actuator operatively associated with the clamping mechanism for causing linear and rotational movement thereof. The clamping mechanism is moveably coupled to the base for linear and rotational movement about an axis of rotation relative to the base, wherein the clamping mechanism is rotatable about first and second spaced pivot points. The present invention also relates to a method of tracing a lens mount of an eyeglass frame.

Abstract: This invention discloses a spectacle edging assist device including a flexible layout chart, chart holding portion, and spectacle frame holding portion. An index used to determine the suitability of a lens while the layout chart is superposed on a spectacle frame is drawn on the flexible layout chart. The chart holding portion holds the layout chart upon bending the layout chart to have a curvature corresponding to the frame curve of the spectacle frame, and also holds the layout chart to be movable in the horizontal direction of the spectacle frame. The spectacle frame holding portion holds the spectacle frame so that its front portion overlaps the layout chart. The chart holding portion brings at least two end pieces of the spectacle frame into contact with the layout chart. A spectacle lens suitability determining method is also disclosed.

Abstract: The present invention relates to an ophthalmic holding mechanism for holding an eyeglass frame. The holding mechanism includes a base, a clamping mechanism configured for releaseably securing a lens mount of an eyeglass frame, and an actuator operatively associated with the clamping mechanism for causing linear and rotational movement thereof. The clamping mechanism is moveably coupled to the base for linear and rotational movement about an axis of rotation relative to the base, wherein the clamping mechanism is rotatable about first and second spaced pivot points. The present invention also relates to a method of tracing a lens mount of an eyeglass frame.

Abstract: An arithmetic control circuit (52) is configured to bring the measuring element (38) for a lens into contact with at least two points (measurement points P1, P2) of one of two refracting surfaces of the lens Lm held in the lens holder by controlling the measuring element shifter (driving motor 6), obtain the coordinates of the two points according to the detection signal from the position detector (linear scales 24, 40), and obtain a curve value Cv of one refracting surface of the lens from the difference of the coordinates of the two points.

Abstract: An apparatus for measuring a shape of an eyeglass frame, includes: a tracing stylus moving unit that includes a tracing stylus detecting a position of a rim of the frame in a moving radius direction and in a vertical direction, a tracing stylus shaft for the tracing stylus, a holding unit configured to vertically-movably hold the tracing stylus shaft, a vertical direction moving unit for moving the holding unit in the vertical direction, and a moving radius direction moving unit for moving the holding unit in the moving radius direction so that the tracing stylus traces the rim; a vertical position detection unit for detecting a position of the tracing stylus in the vertical direction; and a controller for obtaining a next measurement position of the holding unit in the vertical direction based on the detecting result of the vertical position detection unit, and controls the vertical direction moving unit.

Abstract: A spectacle measuring tool (1) includes a front plate (2) attached to a spectacle frame, and a pair of left and right side plates (40A, 40B) formed on the two, left and right edges of the front plate (2) to extend backward. The front plate (2) includes an interpupillary distance measuring portion (A) and a fitting point height measuring portion (B), and is attached to the spectacle frame such that a height adjusting device (30) can adjust its height. The side plates (40A, 40B) include a pair of left and right pressing/adjusting devices (60) which adjust the side plates (40A, 40B) to be parallel to the temples of the spectacle frame. The pressing/adjusting devices (60) press against the face side portions of a subject using threaded rods (62).

Abstract: An apparatus for measuring a shape of an eyeglass frame, includes: a tracing stylus moving unit that includes a tracing stylus detecting a position of a rim of the frame in a moving radius direction and in a vertical direction, a tracing stylus shaft for the tracing stylus, a holding unit configured to vertically-movably hold the tracing stylus shaft, a vertical direction moving unit for moving the holding unit in the vertical direction, and a moving radius direction moving unit for moving the holding unit in the moving radius direction so that the tracing stylus traces the rim; a vertical position detection unit for detecting a position of the tracing stylus in the vertical direction; and a controller for obtaining a next measurement position of the holding unit in the vertical direction based on the detecting result of the vertical position detection unit, and controls the vertical direction moving unit.

Abstract: An apparatus for measuring a shape of an eyeglass frame, includes: a tracing stylus to detect a position of the rim in a moving radius direction and in a vertical, a tracing stylus shaft for the tracing stylus, a holding unit movably holding the tracing stylus shaft and including a pressure applying element for pressing a tip end of the tracing stylus to the rim, a moving unit for moving the holding unit, a rotating unit for rotating the holding unit around an axis along a vertical direction; a moving radius position detection unit configured to detect a position of the tracing stylus; and a controller configured to obtain a rotating angle of the rotating unit and a position of the holding unit in the moving radius direction at a next measurement position, and control the rotating unit and the moving unit.

Abstract: A method of determining parameters for fitting an ophthalmic lens to a frame, including the following steps: providing an eyeglass frame including at least one temple portion having a bezel intended to enable the nesting of an ophthalmic lens; and determining the shape of the profile of the bezel at a point in the temple portion of said frame. Associated method of fabricating an ophthalmic lens.