The present invention relates to a lens edge simulation tool (10) for measuring the fitment of a lens edge profile (LEP) with respect to a frame groove profile (FGP) of a spectacle frame (20), the lens edge simulation tool (10) having a defined edge profile (STP) like a lens edge profile (LEP) of a lens (6) being machined by a defined edger machine (4), the defined edge profile (STP) comprising a bevel portion (11) protruding towards a protrusion direction (A), wherein the lens edge simulation tool (10) further comprises a probe (15) provided at a distal end tip portion (14) of the bevel portion (11) and being moveable (M) along the protrusion direction (A) between a retracted position in which the probe (15) does not protrude from the defined edge profile (STP) and an extension position in which the probe (15) protrudes from the distal end tip portion (14). The present invention further relates to a system (1) and method for defining a lens shape for a machined lens (6) adapted to fit into a frame groove (21) of a spectacle frame (20).

The blocker described comprises: a lens illumination light source; a light transmission and reflection device to reflect/transmit the light; an image sensor to detect light reflected by the light transmission and reflection device and thereby obtain an lens image; a lens meter to detect the light that has passed through the light transmission and reflection device to thereby measure lens characteristics; and a blocking member to attach a leap block to the lens. The light transmission and reflection device comprises: a first reflection plate having a central hole; a first rotating cylinder to be coupled to and to rotate the first reflection plate; a second rotating cylinder located inside and to rotate the first rotating cylinder; a second reflection plate, adjusted by the second rotating cylinder and configured to open or block the central hole in the first reflection plate; and driving means configured to drive the second rotating cylinder.

The present invention relates to an apparatus for lens processing, with at least one receiving device for at least one transport box, with at least one measuring device, and at least one processing device. According to the invention it is provided that between the at least one measuring device and the at least one processing device at least one conveying device is provided, that between the at least one receiving device, the at least one measuring device and the at least one conveying device at least one handling device or apparatus is provided in such a way that the at least one measuring device, the at least one conveying device and the at least one processing device can be arranged or are arranged in any number and/or orientation relative to each other. The present invention further relates to a corresponding method for lens processing and to a processing device for lenses.

Methods for edging optical articles comprising two main faces, at least one of which being coated with an outermost layer comprising fixing the optical article to a chuck with a holding pad that adheres to both the optical article and the chuck, wherein the surface of the holding pad contacting the optical comprises an adhesive material; and edging the optical article with an edging device; wherein prior to fixing the optical article to the chuck, at least one temporary layer of an organic material is formed onto said outermost layer of the optical article, the organic material of the temporary layer comprising at least one organic compound having a fluorinated functional moiety and at least one linking functional moiety capable of establishing at least one intermolecular bond or interaction with the adhesive material of the holding pad. Optical articles obtained via these methods.

In a method of preparing a lens blank for a surfacing operation, the lens blank is fastened to a support with a base and a support material via which the lens blank is fastened. The support material has a circular periphery. The surfacing transforms the lens blank into a surfaced lens. The method includes: determining the surfaced lens shape based on input data; based on the surfaced lens shape, determining a maximum diameter of the support material shape based on a predetermined maximum thickness defining the maximum thickness of the support material allowed to be cut into during the surfacing of the lens blank; choosing a diameter for the support material shape ≤the maximum diameter for further fastening the lens blank to the support by forming the support material so the support material shape has a diameter corresponding to the chosen diameter.

A polishing device for optical elements includes: a tool shank (1), and a polishing disc base; wherein the tool shank (1) is connected to the polishing disc base and is mounted on a tool shaft of a numerical-controlled processing device; wherein a polishing film (3) is stuck on the polishing disc base; the polishing disc base is a profiling polishing disc base (7), a cylinder polishing disc base (2), a profiling polishing disc base (12) or a spherical polishing disc base (8); wherein the tool shank (1) is independent and universal, thereby reducing the processing cost of the polishing device. A polishing method for optical elements is based on the shapes mentioned above of the polishing disc base, including steps of: fixing a polishing disc connecting rod (11); sticking a polishing film (3); trimming the polishing film (3); and polishing an unprocessed work piece (6).

A blocking device includes a support member configured for providing a rigid support to the semi-finished optical element, the support member including a support element made of a shape-memory material having a rigid state below a predetermined temperature and a plastic state above the predetermined temperature, and assuming in the absence of external forces a predetermined memory shape when heated above the predetermined temperature, the support member having a contact face onto which the first face of the optical element is to be applied, the contact face of the support member being a surface of the support element, the shape-memory material being configured for having adherence properties with respect to the first face of the optical element, the adherence properties being sufficient for attaching the first face of the optical element to the contact face of the support element.

An eyeglass lens peripheral edge processing system includes a plurality of eyeglass manufacturing devices and a robot arm. The plurality of eyeglass manufacturing devices 1 perform mutually different steps out of a plurality of steps for processing the eyeglass lens, and include mutually different housings. The robot arm includes an arm unit and a holding unit. The arm unit has a plurality of joint portions. The holding unit is disposed in the arm unit to hold and release an object. The robot arm rotates the arm unit via the joint portion to move the object held by the holding unit. The robot arm rotates the arm unit to move the eyeglass lens between the plurality of eyeglass manufacturing devices.

A process for machining a lens includes the steps of holding a semi-finished product through a suction holding force which is active during an entire surface machining cycle of the semi-finished product; carrying out the surface machining cycle on a surface to be machined of the semi-finished product; and activating a pressure holding force depending on the level of the mechanical stresses exerted on the semi-finished product during the surface machining cycle on said surface.

The invention concerns a method of manufacturing an ophthalmic lens, comprising the steps of providing, mounting and blocking a substrate (10) on a machining support unit (65), surfacing an upper face (12) of said substrate, edging a peripheral edge (13) of said substrate, wherein said machining support unit comprises a surfacing member (40) and an edging member (30) which are separable, said surfacing member having a cavity (51) in which said edging member is located during said step of surfacing, said surfacing and edging members being configured so that said substrate is mounted and blocked on said machining support unit in a first predetermined position for the surfacing and the edging and, between said steps of surfacing and edging, the method comprises the step of withdrawing said surfacing member from said machining support unit by retaining said substrate on said edging member.