GB2485905B - Contact lens manufacturing method - Google Patents

Contact lens manufacturing method

Info

Publication number
GB2485905B
GB2485905B GB1120331.2A GB201120331A GB2485905B GB 2485905 B GB2485905 B GB 2485905B GB 201120331 A GB201120331 A GB 201120331A GB 2485905 B GB2485905 B GB 2485905B
Authority
GB
United Kingdom
Prior art keywords
contact lens
lens manufacturing
manufacturing
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
Application number
GB1120331.2A
Other languages
English (en)
Other versions
GB2485905A (en
GB201120331D0 (en
Inventor
Ronald Hamilton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daysoft Ltd
Original Assignee
Daysoft Ltd
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
Priority claimed from GBGB1020106.9A external-priority patent/GB201020106D0/en
Priority claimed from GBGB1114009.2A external-priority patent/GB201114009D0/en
Application filed by Daysoft Ltd filed Critical Daysoft Ltd
Publication of GB201120331D0 publication Critical patent/GB201120331D0/en
Publication of GB2485905A publication Critical patent/GB2485905A/en
Application granted granted Critical
Publication of GB2485905B publication Critical patent/GB2485905B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
GB1120331.2A 2010-11-26 2011-11-24 Contact lens manufacturing method Active GB2485905B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1020106.9A GB201020106D0 (en) 2010-11-26 2010-11-26 Contact lens manufacturing method
GBGB1114009.2A GB201114009D0 (en) 2011-08-15 2011-08-15 Contact lens manufacturing method

Publications (3)

Publication Number Publication Date
GB201120331D0 GB201120331D0 (en) 2012-01-04
GB2485905A GB2485905A (en) 2012-05-30
GB2485905B true GB2485905B (en) 2014-03-05

Family

ID=45033994

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1120331.2A Active GB2485905B (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)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
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
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
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
WO1996023641A1 (en) * 1995-02-03 1996-08-08 C.M. Laboratory Pte. Ltd. Apparatus and method for moulding contact lenses
WO2004076160A1 (en) * 2003-02-25 2004-09-10 Concavex Ltd Contact lens mould

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
DK0637490T3 (da) * 1993-07-19 1999-10-11 Novartis Erfind Verwalt Gmbh Fremgangsmåde og apparat til fremstilling af kontaktlinser
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
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
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
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
WO1996023641A1 (en) * 1995-02-03 1996-08-08 C.M. Laboratory Pte. Ltd. Apparatus and method for moulding contact lenses
WO2004076160A1 (en) * 2003-02-25 2004-09-10 Concavex Ltd Contact lens mould

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
CA2850265C (en) 2020-01-14
US20140035176A1 (en) 2014-02-06
US10166730B2 (en) 2019-01-01

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