CA2850265C - Contact lens manufacturing method - Google Patents
Contact lens manufacturing method Download PDFInfo
- Publication number
- CA2850265C CA2850265C CA2850265A CA2850265A CA2850265C CA 2850265 C CA2850265 C CA 2850265C CA 2850265 A CA2850265 A CA 2850265A CA 2850265 A CA2850265 A CA 2850265A CA 2850265 C CA2850265 C CA 2850265C
- Authority
- CA
- Canada
- Prior art keywords
- mould
- lens
- annular ridge
- mould half
- contact lens
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 91
- 239000000203 mixture Substances 0.000 claims abstract description 74
- 230000008859 change Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 85
- 230000003287 optical effect Effects 0.000 claims description 70
- 239000000463 material Substances 0.000 claims description 56
- 230000002093 peripheral effect Effects 0.000 claims description 37
- 239000012530 fluid Substances 0.000 claims description 22
- 239000000178 monomer Substances 0.000 claims description 21
- 239000011888 foil Substances 0.000 claims description 20
- 238000013461 design Methods 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 18
- 230000009467 reduction Effects 0.000 claims description 17
- 239000003755 preservative agent Substances 0.000 claims description 9
- 230000002335 preservative effect Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 8
- 230000000887 hydrating effect Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 15
- 238000001723 curing Methods 0.000 description 60
- 230000008602 contraction Effects 0.000 description 12
- 230000036571 hydration Effects 0.000 description 11
- 238000006703 hydration reaction Methods 0.000 description 11
- -1 polyethylene Polymers 0.000 description 11
- 238000000465 moulding Methods 0.000 description 10
- 230000001965 increasing effect Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 238000001029 thermal curing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 2
- 238000003848 UV Light-Curing Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 210000004087 cornea Anatomy 0.000 description 2
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013036 cure process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000005641 methacryl group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
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
- B29D11/00038—Production of contact lenses
- B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
-
- 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
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
- B29D11/00221—Demoulding, e.g. separating lenses from mould halves using prying means
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/40—Compensating volume change, e.g. retraction
-
- 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
- B29D11/00038—Production of contact 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
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
-
- 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
- B29D11/0048—Moulds for lenses
- B29D11/00567—Moulds for lenses wherein the mould forms part of the final package for lenses
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Packages (AREA)
- Packaging Frangible Articles (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1020106.9A GB201020106D0 (en) | 2010-11-26 | 2010-11-26 | Contact lens manufacturing method |
| GB1020106.9 | 2010-11-26 | ||
| GBGB1114009.2A GB201114009D0 (en) | 2011-08-15 | 2011-08-15 | Contact lens manufacturing method |
| GB1114009.2 | 2011-08-15 | ||
| PCT/EP2011/070992 WO2012069615A1 (en) | 2010-11-26 | 2011-11-24 | Contact lens manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2850265A1 CA2850265A1 (en) | 2013-05-31 |
| CA2850265C true CA2850265C (en) | 2020-01-14 |
Family
ID=45033994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2850265A Active CA2850265C (en) | 2010-11-26 | 2011-11-24 | Contact lens manufacturing method |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US10166730B2 (enExample) |
| EP (1) | EP2643152B1 (enExample) |
| JP (2) | JP5771279B2 (enExample) |
| CN (1) | CN103313843B (enExample) |
| CA (1) | CA2850265C (enExample) |
| ES (1) | ES2854901T3 (enExample) |
| GB (1) | GB2485905B (enExample) |
| WO (1) | WO2012069615A1 (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG187082A1 (en) * | 2010-07-30 | 2013-02-28 | Coopervision Int Holding Co Lp | Ophthalmic device molds formed from vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods |
| JP5935206B2 (ja) * | 2011-02-21 | 2016-06-15 | 株式会社メック技研 | コンタクトレンズの製造方法と、それに用いる製造装置 |
| US9884435B2 (en) * | 2013-02-08 | 2018-02-06 | Johnson & Johnson Vision Care, Inc. | Casting cup assembly for forming an ophthalmic device |
| GB201302268D0 (en) * | 2013-02-08 | 2013-03-27 | Ocutec Ltd | Molding Apparatus and Method |
| KR101542933B1 (ko) | 2013-07-15 | 2015-08-10 | 박진열 | 콘택트렌즈의 성형 몰드 및 그에 의하여 제조된 콘택트렌즈 |
| US9987808B2 (en) | 2013-11-22 | 2018-06-05 | Johnson & Johnson Vision Care, Inc. | Methods for formation of an ophthalmic lens with an insert utilizing voxel-based lithography techniques |
| SG11201603703VA (en) * | 2013-12-19 | 2016-07-28 | Novartis Ag | Method for avoiding entrapment of air bubbles in a lens forming material and apparatus for carrying out the method |
| US20160004384A1 (en) * | 2014-07-03 | 2016-01-07 | Hisashi Sato | Method of universal multi-touch input |
| ES2902597T3 (es) * | 2015-10-12 | 2022-03-29 | Ppg Ind Ohio Inc | Método y aparato para hacer un panel polimérico de ventana de aeronave |
| WO2017116350A1 (en) | 2015-12-30 | 2017-07-06 | Dokuz Eylul Universitesi Rektorlugu | A contact lens design sensing tear glucose level |
| US11285681B2 (en) | 2016-09-30 | 2022-03-29 | Bausch & Lomb Incorporated | Method and apparatus for forming a lens |
| JP6738708B2 (ja) * | 2016-09-30 | 2020-08-12 | Hoya株式会社 | コンタクトレンズの製造方法、コンタクトレンズの製造装置およびコンタクトレンズの取り出し方法 |
| US11358353B2 (en) * | 2016-12-16 | 2022-06-14 | Alcon Inc. | Method for producing contact lenses |
| SG10201800855RA (en) * | 2018-01-31 | 2019-08-27 | Menicon Co Ltd | Apparatus and Methods for Molding Rigid Ocular Lenses |
| CN108340521B (zh) * | 2018-02-05 | 2019-06-25 | 上海麻几眼镜有限公司 | 一种模具及使用该模具制备模制产品的方法 |
| EP3787435B1 (en) * | 2018-05-01 | 2025-06-25 | Menicon Co., Ltd. | Contact lens case |
| KR102140046B1 (ko) * | 2018-11-06 | 2020-07-31 | (주)오케이비젼 | 트레이 |
| CN115194989A (zh) * | 2022-07-15 | 2022-10-18 | 深圳市谛源光科有限公司 | 一种光学微结构组制备方法及系统 |
| WO2025041747A1 (ja) * | 2023-08-21 | 2025-02-27 | 株式会社シード | 疎水性の部材を内包するハイブリッドコンタクトレンズの製造方法 |
| CN119953007B (zh) * | 2025-04-10 | 2025-07-15 | 山东大学 | 可变形模具主动面形约束的非球面镜片成形装置及方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB909573A (en) * | 1958-04-25 | 1962-10-31 | Lentilles Ophthalmiques Specia | Improvements in or relating to producing optical and opthalmic lenses from thermosetting synthetic resins |
| US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
| DE2839249A1 (de) | 1977-09-12 | 1979-03-22 | Toray Industries | Verfahren zur herstellung einer weichen kontaktlinse und ausgangsloesung zur durchfuehrung des verfahrens |
| US4209289A (en) * | 1979-05-14 | 1980-06-24 | American Optical Corporation | Contact lens mold |
| US4640489A (en) * | 1981-04-30 | 1987-02-03 | Mia-Lens Production A/S | Mold for making contact lenses, either the male or female mold sections being relatively more flexible |
| GB8601967D0 (en) | 1986-01-28 | 1986-03-05 | Coopervision Optics | Manufacturing contact lenses |
| ES2108208T3 (es) * | 1988-11-02 | 1997-12-16 | British Tech Group | Moldeado por vaciado y envasado de lentes de contacto. |
| GB8900616D0 (en) | 1989-01-12 | 1989-03-08 | Galley Geoffrey H | Methods of manufacturing contact lenses |
| US5271875A (en) * | 1991-09-12 | 1993-12-21 | Bausch & Lomb Incorporated | Method for molding lenses |
| DK0637490T3 (da) * | 1993-07-19 | 1999-10-11 | Novartis Erfind Verwalt Gmbh | Fremgangsmåde og apparat til fremstilling af kontaktlinser |
| AUPN089395A0 (en) * | 1995-02-03 | 1995-03-02 | C. M. Laboratory Pte. Ltd. | Apparatus and method for moulding contact lenses |
| JP2002156611A (ja) * | 2000-11-17 | 2002-05-31 | Tensenkai | 眼鏡用老視補正レンズ |
| JP2003011139A (ja) | 2001-06-27 | 2003-01-15 | Menicon Co Ltd | コンタクトレンズ用成形型およびそれを用いたコンタクトレンズの製造方法 |
| GB0126708D0 (en) * | 2001-11-07 | 2002-01-02 | Provis Ltd | Packaging for contact lenses |
| WO2004039555A1 (ja) * | 2002-10-30 | 2004-05-13 | Menicon Co., Ltd. | コンタクトレンズ用成形型およびそれを用いたコンタクトレンズの製造方法 |
| GB0304148D0 (en) | 2003-02-25 | 2003-03-26 | Concavex Ltd | Contact lens mould |
| GB2405611B (en) * | 2003-08-29 | 2006-03-22 | Visaq Ltd | A method of moulding contact lenses and moulding apparatus for use in the method |
| US20070257387A1 (en) | 2006-05-05 | 2007-11-08 | Hofmann Gregory J | Package mold combination |
| JP4869054B2 (ja) * | 2006-12-25 | 2012-02-01 | Ｈｏｙａ株式会社 | コンタクトレンズを樹脂型から取り出す方法 |
| ES2394741T3 (es) * | 2007-12-31 | 2013-02-05 | Bausch & Lomb Incorporated | Molde de colada para formar un dispositivo biomédico que incluye un dispositivo oftálmico |
-
2011
- 2011-11-24 GB GB1120331.2A patent/GB2485905B/en active Active
- 2011-11-24 JP JP2013540373A patent/JP5771279B2/ja active Active
- 2011-11-24 ES ES11787893T patent/ES2854901T3/es active Active
- 2011-11-24 CA CA2850265A patent/CA2850265C/en active Active
- 2011-11-24 EP EP11787893.4A patent/EP2643152B1/en active Active
- 2011-11-24 US US13/989,105 patent/US10166730B2/en active Active
- 2011-11-24 WO PCT/EP2011/070992 patent/WO2012069615A1/en not_active Ceased
- 2011-11-24 CN CN201180065711.1A patent/CN103313843B/zh active Active
-
2015
- 2015-06-26 JP JP2015128368A patent/JP6133364B2/ja active Active
-
2018
- 2018-12-18 US US16/223,236 patent/US11420403B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| GB2485905A (en) | 2012-05-30 |
| EP2643152A1 (en) | 2013-10-02 |
| US20190111640A1 (en) | 2019-04-18 |
| ES2854901T3 (es) | 2021-09-23 |
| HK1165759A1 (en) | 2012-10-12 |
| CN103313843B (zh) | 2017-03-22 |
| JP2013544684A (ja) | 2013-12-19 |
| EP2643152B1 (en) | 2020-12-02 |
| JP2016006507A (ja) | 2016-01-14 |
| CN103313843A (zh) | 2013-09-18 |
| US11420403B2 (en) | 2022-08-23 |
| JP5771279B2 (ja) | 2015-08-26 |
| CA2850265A1 (en) | 2013-05-31 |
| GB201120331D0 (en) | 2012-01-04 |
| JP6133364B2 (ja) | 2017-05-24 |
| WO2012069615A1 (en) | 2012-05-31 |
| GB2485905B (en) | 2014-03-05 |
| US20140035176A1 (en) | 2014-02-06 |
| US10166730B2 (en) | 2019-01-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20160929 |