WO2024125912A1 - Modification additive d'une lentille optique - Google Patents

Modification additive d'une lentille optique Download PDF

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Publication number
WO2024125912A1
WO2024125912A1 PCT/EP2023/081691 EP2023081691W WO2024125912A1 WO 2024125912 A1 WO2024125912 A1 WO 2024125912A1 EP 2023081691 W EP2023081691 W EP 2023081691W WO 2024125912 A1 WO2024125912 A1 WO 2024125912A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical lens
lens
optical
unit
applying
Prior art date
Application number
PCT/EP2023/081691
Other languages
German (de)
English (en)
Inventor
Peter Seitz
Werner Müller
Original Assignee
Rodenstock Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rodenstock Gmbh filed Critical Rodenstock Gmbh
Publication of WO2024125912A1 publication Critical patent/WO2024125912A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • B29D11/00326—Production of lenses with markings or patterns having particular surface properties, e.g. a micropattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00317—Production of lenses with markings or patterns
    • B29D11/00326—Production of lenses with markings or patterns having particular surface properties, e.g. a micropattern
    • B29D11/00336—Production of lenses with markings or patterns having particular surface properties, e.g. a micropattern by making depressions in the lens surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00951—Measuring, controlling or regulating
    • B29D11/0098—Inspecting lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing

Definitions

  • the present invention relates to a method for the additive modification of an optical lens as well as a device for carrying out the method and an optical lens additively modified according to a method described here.
  • the object of the present invention is to improve the provision of optical lenses and/or optical lenses.
  • Claims 11, 15 protect a device for carrying out a method described here or an optical lens additively modified according to a method described here.
  • the subclaims relate to advantageous further developments.
  • a method for additively modifying an optical lens comprises the steps:
  • the modified lens is a spectacle lens and/or a plastic (spectacle) lens.
  • a spectacle lens and/or a plastic (spectacle) lens are preferred.
  • One aspect of the present invention relates to an optical lens that has been additively modified according to a method described here.
  • an already existing optical lens is used in one embodiment.
  • this existing optical lens can be advantageously reused after the additive modification, for example a spectacle lens can continue to be used after adjustment to a changed prescription and/or a different spectacle frame.
  • the use of an existing optical lens in one embodiment can reduce the material and/or time required to provide the desired or required lens.
  • an optical and/or mechanical property, in particular a quality, a weight and/or durability, of the additively modified lens can be improved.
  • the unit-wise application of one or more materials to the optical lens provided with the aid of the material processing device comprises, in one embodiment, that at least one unit, preferably a plurality of, preferably (individually) dosed, units, in one embodiment drops, of the material or of one or more of the materials (respectively), are arranged and further preferably connected to one another.
  • the units are at least partially applied layer by layer, so that the optical lens provided is or is additively modified by two or more material layers applied unit by unit to the optical lens provided, wherein in one embodiment a first material layer is applied unit by unit directly to an upper or (through) visible surface and/or an (outer) edge of the optical lens provided and one or more further material layers are applied unit by unit to an already applied material layer, in particular at least a second material layer unit by unit to the first material layer, optionally a third material layer unit by unit to the second material layer and optionally further material layers accordingly.
  • the units are at least partially based on, in one embodiment by at least two-, particularly preferably at least three-dimensional construction data, specifically specified for the respective unit, Positions and/or, in particular within each layer, next to each other, preferably touching each other.
  • a predetermined shape of the modified lens which is three-dimensionally predetermined in a further development, is produced by applying the material or one or more of the materials to the optical lens provided in units with the aid of the material processing device, in one embodiment, a predetermined shape or (outer) contour of an (outer) edge, which is three-dimensionally predetermined in a further development, and/or a predetermined shape, which is three-dimensionally predetermined in a further development and/or curved once or multiple times, of one or both of the upper or (through) viewing surfaces or the front and/or back of the lens, or the shape of the optical lens provided is modified in or to this shape.
  • a wall thickness of the optical lens provided is changed by applying the material in units, preferably locally differently (predetermined).
  • the or one or more of the material(s) applied in units and/or the lens provided comprise, in one embodiment (each), plastic, in particular at least one polymer, which in a further development is UV-curing, and/or spectacle lens plastic, and can in particular be made of plastic.
  • the method in particular the unit-wise application, also comprises a solidification of the or one or more of the unit-wise applied materials, in a further development by irradiation, preferably by means of laser and/or UV light.
  • the method also includes subsequent material removal of one or more of the materials applied in units, in a further development by grinding, polishing, drilling, milling and/or sawing. In one embodiment, this can improve the quality of the modified lens.
  • the shape of one or both of the upper or (transparent) surfaces The front and/or back of the lens modified by the unit-wise application already has a final or final shape, so that post-processing that removes material can be omitted, reducing the effort involved.
  • the optical lens provided is a finished spectacle lens which has been finished (already in advance) in a further development, adapted, ground, polished, drilled, milled, sawn and/or coated in one embodiment, and in one embodiment an already used spectacle lens.
  • this existing optical lens can be advantageously reused after the additive modification, for example a spectacle lens can be reused after being adapted to a changed visual acuity and/or a different frame.
  • the optical lens provided can also be a semi-finished product with converging and/or diverging lens properties or a so-called blank, which can preferably (also) be present or usable for the production of standard spectacle lenses or individual spectacle lenses by material-removing processing, in particular grinding and/or polishing, and/or can be molded, in particular cast or injection-molded.
  • this can reduce the material and/or time expenditure in one embodiment, in particular compared to a known primary molding process, in particular casting or injection molding, with subsequent material-removing processing, in particular grinding and/or polishing, whereby a lot of primary molded material regularly has to be removed again, and/or compared to an additive production of the complete lens.
  • one or both opposing upper or (through) viewing surfaces or a front and/or a back of the optical lens provided have a one- or multi-dimensional surface curvature in order to realize the converging and/or diverging lens properties. In this way, material and/or time expenditure can be reduced compared to the use of flat supports or substrates.
  • the method comprises a spatially resolved measurement of one or more optical properties, in one embodiment at least one optical refractive power, preferably a refractive power distribution function, of the lens provided and/or one or more optical properties, in one embodiment at least one optical refractive power, preferably a refractive power distribution function, of the lens modified by the unit-wise application of the material(s), in a further development during and/or after the unit-wise application of the material(s).
  • the lens can be controlled and/or the unit-wise application of at least one material can be advantageously adapted, and in a further development, it can be regulated on the basis of the optical property(s) measured during and/or after the unit-wise application.
  • the unit-wise application of at least one material is adapted on the basis of the spatially resolved measurement of the optical property(s) of the lens provided, in a further development before and/or during the application.
  • this allows the lens provided to be better utilized and/or various lenses to be advantageously, in particular specifically, modified additively.
  • the unit-wise application of at least one material is adapted on the basis of the spatially resolved measurement of optical property(s) of the lens modified by the unit-wise application of the material, preferably during its modification or the unit-wise application of (further) material.
  • the spatially resolved measurement of the at least one optical property, in particular refractive power comprises one or more reflection measurements with the aid of two or more reflection measuring units (each) and determining the optical property, in particular refractive power, on the basis of height information obtained by the reflection measurement(s).
  • the at least one optical property in particular refractive power
  • the at least one optical property can be measured advantageously, in particular in a simple manner.
  • the spatially resolved measurement of the at least one optical property, in particular refractive power comprises one or more transmission measurements using one or more transmission measuring units.
  • the at least one optical property in particular refractive power
  • the at least one optical property can be measured advantageously, in particular directly and/or more precisely.
  • the method comprises the step of determining whether the optical lens provided has one or more functional layers before applying at least one material in units and, if so, completely or partially removing the or at least one of the functional layers, wherein this at least partial removal of at least the or at least one of the functional layers is carried out mechanically and/or chemically in a further development.
  • this makes it possible to improve the additive modification of finished spectacle lenses, which often have functional layers; in particular, in one embodiment, the adhesion of the at least one material applied in units can be improved and/or optical interference caused by an intermediate layer can be reduced or avoided.
  • the material or one or more of the materials that is or are applied to the optical lens provided when modifying the optical lens provided is or are selected depending on the type of at least partial removal of the at least one functional layer and/or depending on a roughness of a surface of the lens provided, in a further development depending on a roughness of a surface of the lens provided remaining after the at least partial removal of the at least one functional layer.
  • the refractive index n of the at least one material applied unit by unit is adapted to the rougher surface of the lens provided by the at least partial removal, which can be particularly advantageous if the lens provided is made from the same material that is applied unit by unit for additive modification.
  • the method comprises the step of positioning the optical lens provided for applying the at least one material in units prior to the unit-wise application of the at least one material, wherein the positioning is carried out on the basis of one or more markings which are present on the lens provided, preferably micro-engraving(s), and/or on the basis of a measurement of optical properties of the lens provided.
  • the application of the at least one material or the additive modification of the optical lens provided, in particular a precision, can be improved.
  • modifying the provided optical lens results in a change in the spherical refractive power of the provided optical lens and/or a change in the cylindrical refractive power of the provided optical lens and/or a change in the addition of the provided optical lens and/or an enlargement of the provided optical lens, in one embodiment of its scope, and/or a reduction in the provided optical lens, in one embodiment of its scope.
  • the present invention is particularly suitable for such modifications.
  • such modifications can be used to produce finished spectacle lenses particularly advantageously modified, adapted to changed visual acuity and/or other spectacle frames in further training.
  • modifying the optical lens includes applying at least one micro-engraving to the optical lens, wherein the micro-engraving in a further development contains a product identification and/or data of the modification made.
  • a micro-engraving can be carried out in particular by applying no or less material locally and thus creating a local refractive index profile that is perceived as an engraving.
  • a device for additively modifying a provided optical lens in particular in terms of hardware and/or control technology, in particular (also) software technology, is set up to carry out a method described here and/or comprises a material processing device which is designed or set up or used to modify the provided optical lens by applying at least one material to the provided optical lens in units.
  • the device comprises a measuring device which is designed or configured or used for the spatially resolved measurement of at least one optical property, in particular an optical refractive power, of the lens provided and/or the lens modified by the modification.
  • the measuring device has at least two reflection measuring units or at least one transmission measuring unit. Additionally or alternatively, in one embodiment, the device has a means, in a further development a control, preferably a regulator, for adjusting the unit-wise application of at least one material on the basis of the spatially resolved measurement of the at least one optical property.
  • a control preferably a regulator
  • the device comprises an ablation device which is designed or configured or used for at least partially ablating at least one functional layer of the optical lens provided.
  • the device comprises a positioning device which is designed or configured or used to position the optical lens provided for applying the at least one material by means of the material processing device.
  • one or more, in particular all, steps of the method are carried out completely or partially automatically, in particular by the device, which in one embodiment has a correspondingly programmed control system.
  • the material processing device is a 3D printing device.
  • the optical lens is a (myopia-stopping) spectacle lens which produces a basic effect through refraction on a front surface and a rear surface of the spectacle lens at each viewing point of the spectacle lens.
  • the spectacle lens has a plurality of microlens elements which produce a myopia-stopping effect in that the microlens elements produce a shorter focal length than the basic effect.
  • the microlens elements are formed by modifying the optical lens provided by applying at least one material unit by unit to the optical lens provided with the aid of the material processing device. The applied material can be identical or different to the material of the optical lens.
  • the basic effect can be understood as a dioptric effect of a spherical equivalent for compensating for a misrefraction of an eye of a spectacle wearer.
  • the myopia stopping effect is a dioptric effect that differs from the basic effect and is generated by the microlens elements.
  • a diameter of the microlens elements is not more than about 3 mm, preferably not more than about 2 mm, even more preferably not more than about 1 mm, and/or is at least about 0.05 mm, preferably at least about 0.1 mm, even more preferably at least about 0.2 mm, particularly preferably at least about 0.5 mm.
  • the diameter is understood in particular as an extension in at least one direction transverse to the direction of view or parallel to a tangential plane on the front and/or back surface of the spectacle lens body in the region of the respective microlens element.
  • the myopia-stopping effect deviates from the basic effect by an additional effect which is in a range of at least about 1 dpt, preferably at least about 2 dpt, particularly preferably at least about 3 dpt, and/or in a range of not more than about 10 dpt, preferably not more than about 5 dpt, particularly not more than about 4 dpt. In this range, the progression of longitudinal growth of the eye can be efficiently suppressed.
  • Fig. 1 a device for additive modification of an optical lens according to an embodiment of the present invention
  • Fig. 2 a method for additive modification of the optical lens according to an embodiment of the present invention.
  • Fig. 3 a modified optical lens according to an embodiment of the present invention.
  • Fig. 1 shows a device for additive modification of an optical lens 1 according to an embodiment of the present invention.
  • the device comprises a material processing device 2 for modifying the provided optical lens 1 by applying at least one material unit by unit to the provided optical lens 1 - indicated schematically by a dashed line in Fig. 1.
  • the device further comprises a measuring device for spatially resolved measurement of an optical refractive power of the lens 1 provided and/or of the lens modified by the modification.
  • the measuring device has two reflection measuring units 3.1, 3.2, wherein the reflection measuring unit 3.1 has a distance to a front side or front (transparent) viewing surface of the provided or modified lens and the reflection measuring unit 3.2 has a distance to a rear side or rear
  • the (transparent) visible surface of the provided or modified lens is measured and transmitted to a controller 4, which determines an optical refractive power on the basis of this height information.
  • 3.1, 3.2 represent the transmitter and receiver of a transmission measuring unit.
  • the device further comprises a removal device 5 for at least partially removing at least one functional layer of the optical lens 1 provided.
  • the device further comprises a positioning device 6 for positioning the provided optical lens 1 for applying the at least one material by means of the material processing device 2.
  • a step S10 (cf. Fig. 2), the optical lens 1 and the material processing device 2 are provided and the provided optical lens 1 is positioned using the positioning device 6, wherein the positioning is carried out on the basis of at least one marking 7 which is present on the provided lens 1 and/or on the basis of a measurement of optical properties of the provided lens.
  • a step S20 it is determined whether the optical lens 1 provided has one or more functional layers and, if so (S20: “Y”), at least one of the functional layers is completely or partially removed using the removal device 5 (step S30).
  • the at least one material that is applied to the provided optical lens 1 in step S50 is selected depending on the type of removal of the at least one functional layer and/or depending on the roughness of the surface of the provided lens that remains after the at least partial removal of the at least one functional layer.
  • the optical refractive power of the lens 1 provided is measured in a spatially resolved manner using the measuring device 3.1, 3.2 (step S40).
  • the optical refractive power of the lens modified by the unit-by-unit application of the material is also measured in an analogous manner.
  • the provided optical lens 1 is modified by applying at least one material 8 unit by unit to the provided optical lens 1 with the aid of the material processing device 2.
  • This modification of the provided optical lens 1 is adapted on the basis of the spatially resolved measurement of the optical refractive power.
  • the two material layers 8.1, 8.2 are arranged on the outer edge or circumference of the optical lens 1 provided and illustrate the advantageous possibility of adapting a finished spectacle lens to another spectacle frame or of enlarging its outer edge or circumference.
  • the material layer 8.3 is arranged directly on the back or rear (transparent) viewing surface of the optical lens 1 provided, the material layer 8.4 is created on the surface of the material layer 8.3 facing away from the lens 1 by applying material in units.
  • the material layers 8.3, 8.4 arranged on the rear (transparent) viewing surface or back of the lens 1 illustrate the advantageous possibility of adapting the spherical refractive power, the cylindrical refractive power and/or the addition of a finished spectacle lens to a different visual acuity.
  • a micro-engraving 9 is applied to the optical lens.
  • Fig. 3 shows a spectacle lens 10 which was formed by modifying an optical lens 1 by a method according to the invention.
  • the optical lens 1, which has a basic effect and can be produced using any manufacturing process, is provided and then modified.
  • the modification is carried out by applying at least one material to the optical lens 1 provided in units using the material processing device.
  • the applied material can be identical or different to the material of the optical lens.
  • One or more microlens elements 12 are formed by the application.
  • microlens elements produce a myopia-stopping effect by causing a shorter focal length than the basic effect.
  • an existing optical lens or spectacle lens can be easily modified to create a myopia-stopping spectacle lens. This avoids the expense of storing another type of spectacle lens.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

L'invention concerne un procédé de modification additive d'une lentille optique (1) comprenant les étapes qui consistent à : fournir (S10) la lentille optique ; fournir (S10) un appareil de traitement de matériau (2) ; et modifier (S50) la lentille optique fournie par application unitaire d'au moins un matériau (8) sur la lentille optique fournie à l'aide de l'appareil de traitement de matériau. Cette invention concerne en outre un dispositif pour la mise en œuvre du procédé et une lentille optique modifiée selon le procédé.
PCT/EP2023/081691 2022-12-16 2023-11-14 Modification additive d'une lentille optique WO2024125912A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022213743.4A DE102022213743B3 (de) 2022-12-16 2022-12-16 Verfahren und Vorrichtung zur additiven Modifikation einer optischen Linse und optische Linse
DE102022213743.4 2022-12-16

Publications (1)

Publication Number Publication Date
WO2024125912A1 true WO2024125912A1 (fr) 2024-06-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/081691 WO2024125912A1 (fr) 2022-12-16 2023-11-14 Modification additive d'une lentille optique

Country Status (2)

Country Link
DE (1) DE102022213743B3 (fr)
WO (1) WO2024125912A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150153589A1 (en) * 2013-11-29 2015-06-04 Carl Zeiss Vision International Gmbh Spectacle lens and method for making the same
US20160161761A1 (en) * 2013-07-08 2016-06-09 Essilor International (Compagnie Generale D'optique) Method for manufacturing at least one ophthalmic lens
DE102009004377B4 (de) 2009-01-12 2016-09-22 Rodenstock Gmbh Verfahren zum Herstellen eines Brillenglases, Computerprogrammprodukt, Verwendung und Brillenglasherstellungsgerät
EP3218166B1 (fr) * 2014-11-11 2019-03-13 Indizen Optical Technologies S.L. Production de verre de lunette par des techniques additives
EP4006624A1 (fr) * 2020-11-26 2022-06-01 Carl Zeiss Vision International GmbH Design d'un verre de lunettes, kit comprenant un verre de lunettes et méthode de fabrication d'un verre de lunettes pour le traitement de la progression de la myopie

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016168746A1 (fr) 2015-04-15 2016-10-20 Vision Ease, Lp Lentille ophtalmique à microlentilles à gradient
EP3311993B1 (fr) 2016-10-20 2019-03-27 Carl Zeiss Vision International GmbH Verre de lunette et son procédé de fabrication
EP3696578A1 (fr) 2019-02-14 2020-08-19 Carl Zeiss AG Composant optique de réfraction et verre de lunettes fabriqué à partir dudit composant, procédé de fabrication d'un composant optique de réfraction, produit programme informatique, données du verre de lunettes mémorisées sur un support de données, appareil destiné à la fabrication additive d'un corps de base et verre de lunettes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009004377B4 (de) 2009-01-12 2016-09-22 Rodenstock Gmbh Verfahren zum Herstellen eines Brillenglases, Computerprogrammprodukt, Verwendung und Brillenglasherstellungsgerät
US20160161761A1 (en) * 2013-07-08 2016-06-09 Essilor International (Compagnie Generale D'optique) Method for manufacturing at least one ophthalmic lens
US20150153589A1 (en) * 2013-11-29 2015-06-04 Carl Zeiss Vision International Gmbh Spectacle lens and method for making the same
EP3218166B1 (fr) * 2014-11-11 2019-03-13 Indizen Optical Technologies S.L. Production de verre de lunette par des techniques additives
EP4006624A1 (fr) * 2020-11-26 2022-06-01 Carl Zeiss Vision International GmbH Design d'un verre de lunettes, kit comprenant un verre de lunettes et méthode de fabrication d'un verre de lunettes pour le traitement de la progression de la myopie

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