An eyeglass managing system determines process parameters for manufacturing at least part of an eyeglass including a lens and a frame. In this eyeglass managing system, an electronic system includes: —a receiving unit adapted to acquire lens data describing an initial lens and frame data describing an initial frame; —a processing unit adapted to identify, based on the lens data and on the frame data, modification parameters deriving from the interaction between the initial lens and the initial frame; and—a transmitting unit adapted to transmit a list of proposed modifications based on the identified modification parameters. The receiving unit is further adapted to acquire a response to at least one proposed modification; the processing unit is further adapted to determine, based on the acquired response, process parameters of an additive manufacturing process for manufacturing the lens or the frame.

A method for printing a three-dimensional structure by depositing droplets of printing ink at least partially side by side and one above the other, including steps of: depositing droplets of printing ink in a first printing step in order to build up an intermediate first pre-structure, depositing droplets of printing ink in a second printing step in order to build up an intermediate second pre-structure on at least one side of the first pre-structure, rotating the first pre-structure and arranging the first pre-structure on a support structure in a rearrangement step between the first and the second printing step, where the support structure includes a carrier substructure and a deformation-control substructure, and where the deformation-control substructure comprises a pressure chamber. The present teachings further relate to a corresponding duplex printed three-dimensional structure and a duplex printer.

Disclosed is an improved diffraction structure for 3D display systems. The improved diffraction structure includes an intermediate layer that resides between a waveguide substrate and a top grating surface. The top grating surface comprises a first material that corresponds to a first refractive index value, the underlayer comprises a second material that corresponds to a second refractive index value, and the substrate comprises a third material that corresponds to a third refractive index value. According to additional embodiments, improved approaches are provided to implement deposition of imprint materials onto a substrate, which allow for very precise distribution and deposition of different imprint patterns onto any number of substrate surfaces.

A de-taping machine for removing a tape around a lens-mold-assembly. The machine including a lens-mold-assembly-rotation mechanism for holding and rotating the lens-mold-assembly and a tape gripping mechanism. The tape gripping mechanism including a first jaw having a clamping surface; a second jaw movable towards the first jaw for clamping a free end of the tape; a proximity sensing arrangement to generate a first detection signal when the free end of the tape is at a pre-determined distance from the first jaw; and a contact sensing arrangement to generate a second detection signal when the tape is in contact with the first jaw. A rotational speed of the lens-mold-assembly-rotation may be varied based on the first detection signal. Further, the lens-mold-assembly-rotation mechanism may be stop and the tape gripping mechanism may move the second jaw for clamping based on the second detection signal. A corresponding method for tape removal.

The invention relates to a method for manufacturing an ophthalmic lens having at least one optical function, comprising the step of providing a starting optical system of the lens, having a basic optical function and the step of additively manufacturing an additional optical element of the lens, by deposition of multiple predetermined bulking components made of at least one material having a predetermined refractive index, directly onto the front surface and/or the rear surface of the starting optical system; wherein the additive manufacturing step comprises the step of determining a manufacturing guideline for the additional optical element on the basis of the characteristics of said at least one optical function to be provided to the lens, the characteristics of said at least one basic optical function, the geometric characteristics of the starting optical system, and the predetermined refractive index of the material.

The present disclosure provides a production method for a Luneburg lens, which can manufacture a Luneburg lens with stable indexes and high performance under the conditions of room temperature, normal pressure, and low cost. The production method includes the following steps: bonding first granular materials into a sphere by a bonding agent, so as to obtain a sphere core; spraying the bonding agent on the surface of the sphere core, placing the sphere core in a container containing second granular materials, and rolling the sphere core, so that the surface of the whole sphere core is bonded with the second granular materials until the thickness of the second granular particles reaches a preset range, and thus forming a dielectric layer coating the sphere core; and by analogy, preparing a predetermined number of dielectric layers, so as to obtain a target finished Luneburg lens.

A method of manufacturing an ophthalmic lens having at least one optical function includes: a step of additively manufacturing a complementary optical element by depositing a plurality of predetermined volume elements on a predetermined build support, the complementary optical element being configured to provide at least a part of the optical function of the ophthalmic lens, wherein the build support includes at least one added value or adhesive configured to provide to the ophthalmic lens at least one added function. An ophthalmic lens including a build support and a complementary optical element as well as an ophthalmic lens obtained by such a manufacturing method.

The present invention refers to methods for producing a conformal visor (1b) with at least one integrated ophthalmic lens (2, 2a, 2b), wherein the at least one ophthalmic lens (2, 2a, 2b) is built up on the planar visor (1a) from layers of printing ink in an additive manufacturing scheme, wherein the layers are obtained through a targeted placement of droplets of printing ink at least partially side by side. The present invention further relates to a corresponding conformal visor (1b) with at least one integrated ophthalmic lens (2, 2a, 2b).

Methods and apparatus are provided for eyeglass lens made using a solution casting process. The method may include providing a first soluble polymer solution. The method may include providing a first dye solution including at least one dye. The method may include adding the first dye solution to the first soluble polymer solution to form a first dyed solution. The method may include casting the first dyed solution to form a first film. The method may include providing a second soluble polymer solution. The method may include providing a second dye solution comprising at least one dye. The method may include adding the second dye solution to the second soluble polymer solution to form a second dyed solution. The method may include casting the second dyed solution onto the first film to form a two-layer film. The method may include laminating or casting the two-layer film to the eyeglass lens.

A thin ophthalmic lens stabilized through incorporation of flange around all or a portion of a perimeter of the thin lens.