Patent application number | Description | Published |
20100283965 | Method of Selecting a Semi-Finished Ophthalmic Lens According to a Given Spectacle Frame - A method of selecting a semi-finished ophthalmic lens according to a given spectacle frame comprising the steps of: providing the spectacle frame front face base data providing a list of semi-finished ophthalmic lenses with a plurality of front face bases, and selecting from the list of semi-finished ophthalmic lenses the semi-finished ophthalmic lens whose front base is the closest from the front base of the spectacle frame. | 11-11-2010 |
20100283967 | Method of Calculating an Optical System According to a Given Spectacle Frame - A method of calculating an optical system (OS) of an ophthalmic lens according to a given spectacle frame comprising the steps of: providing geometrical data of the spectacle frame, providing wearer data, and optimization of the optical system (OS) according to at least the criteria consisting of the geometrical data of the spectacle frame, the wearer data and at least one positioning data, so as to generate at least two optical surfaces (S | 11-11-2010 |
20100290002 | Method for Determining a Contour Data Set of Spectacle Frame Rim - 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). | 11-18-2010 |
20100290003 | Method of Calculating an Optical System According to a Given Spectacle Frame - A method of calculating an optical system (OS) of an ophthalmic lens according to a given spectacle frame comprising the steps of: providing geometrical data of the spectacle frame, providing deformability data of the spectacle frame, providing wearer data, providing a surface curvature of a front face of the ophthalmic lens, and optimization of both the optical system (OS) and the edging parameter according to the list of the optimization criteria consisting of the geometrical and deformability data of the spectacle frame and the wearer data, so as to generate at least one optical surface different from the front surface of the lens. | 11-18-2010 |
20100290694 | Method and Apparatus for Detecting Defects in Optical Components - A method is disclosed for detecting defects in an optical component to be tested, such as a lens comprising the steps of: providing a structured pattern, recording the reflected or transmitted image of the pattern on the optical component to be tested, phase shifting the pattern and recording again similarly the reflected or transmitted image, calculating the local phase and amplitude images of the optical component to be tested, calculating a model image of a defect free optical component and determining corresponding phase and amplitude images of the defect free model optical component, comparing phase and amplitude images of both optical component to be tested and defect free model optical component, determining suspect zones in the optical component to be tested, and applying a metrics to separate dust and noise from other defects. | 11-18-2010 |
20100293069 | Method for Modifying Spectacle Frame Shape Data - A method for modifying spectacle frame shape data, comprising the steps of: generating spectacle frame data by measuring the shape of a rim of a spectacle frame with a spectacle frame shape measuring apparatus, determining the principal axes of inertia of the measured shape of the rim of the spectacle frame using the rim spectacle frame data, and calculating new spectacle rim frame data expressed in the principal axes of inertia of the measured shape of the rim of the spectacle frame. | 11-18-2010 |
20110066276 | METHOD FOR GENERATING A TRIMMING SETPOINT FOR AN OPHTALMIC LENS - A method for generating a trimming setpoint for an ophthalmic lens for it to be mounted in a surround of a spectacle frame, includes:
| 03-17-2011 |
20110085132 | Method of Determining Parameters for Fitting an Ophthalmic Lens to a Frame - 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. | 04-14-2011 |
20140316554 | SYSTEM AND METHOD FOR GENERATING MACHINE MARKING INSTRUCTIONS - 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 ophthahmc lens, and generating machine marking instructions arranged to cause a marking machine to mark the ophthalmic lens in accordance with the additional marking layout. | 10-23-2014 |
20140340633 | METHOD OF PREPARING AN OPHTHALMIC LENS - A method of preparing an ophthalmic lens ( | 11-20-2014 |
20140375950 | METHOD OF PROCESSING AN ORDER REQUEST FOR AN OPHTHALMIC LENS - A method of processing an order request for an ophthalmic lens to be manufactured by a manufacturing device includes the following steps: receiving an order request including at least information related to an ophthalmic wearer's prescription by a first processing device; processing the order request by the first processing device on the basis of predetermined processing rules so as to obtain manufacturing parameters to be applied to the manufacturing device so as to manufacture the ophthalmic lens according to the information included in the order request; sending and storing the manufacturing parameters identified as requiring a further modification to a storing device and sending the other manufacturing parameters to the manufacturing device; modifying the stored manufacturing parameters by a second processing device and sending the modified manufacturing parameters to the manufacturing device. | 12-25-2014 |