SG11202005139RA - Method for manufacturing toric contact lenses - Google Patents

Method for manufacturing toric contact lenses

Info

Publication number
SG11202005139RA
SG11202005139RA SG11202005139RA SG11202005139RA SG11202005139RA SG 11202005139R A SG11202005139R A SG 11202005139RA SG 11202005139R A SG11202005139R A SG 11202005139RA SG 11202005139R A SG11202005139R A SG 11202005139RA SG 11202005139R A SG11202005139R A SG 11202005139RA
Authority
SG
Singapore
Prior art keywords
contact lenses
toric contact
manufacturing toric
manufacturing
lenses
Prior art date
Application number
SG11202005139RA
Inventor
Yeming Gu
Curtis Mckenney
Cornelius Niculas
Original Assignee
Alcon Inc
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 Alcon Inc filed Critical Alcon Inc
Publication of SG11202005139RA publication Critical patent/SG11202005139RA/en

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
    • B29D11/0048—Moulds for 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
    • B29D11/00019—Production of simple or compound lenses with non-spherical faces, e.g. toric faces
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
    • B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
    • 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
    • B29D11/00115—Production of contact lenses made by rotational casting
    • 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
    • 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
    • B29D11/00134—Curing of the contact lens material
    • 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
    • B29D11/005—Moulds for lenses having means for aligning the front and back moulds
    • B29D11/00509—Moulds for lenses having means for aligning the front and back moulds to make toric 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
    • B29D11/00951—Measuring, controlling or regulating
    • B29D11/00961—Measuring, controlling or regulating using microprocessors or computers
    • 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
    • B29D11/00173—Conveying moulds
    • B29D11/00182—Conveying moulds using carrier plates
    • 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
    • B29D11/00259—Plants for the production of contact lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material
SG11202005139RA 2017-12-21 2018-12-12 Method for manufacturing toric contact lenses SG11202005139RA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762608868P 2017-12-21 2017-12-21
PCT/IB2018/059963 WO2019123128A1 (en) 2017-12-21 2018-12-12 Method for manufacturing toric contact lenses

Publications (1)

Publication Number Publication Date
SG11202005139RA true SG11202005139RA (en) 2020-07-29

Family

ID=65041802

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202005139RA SG11202005139RA (en) 2017-12-21 2018-12-12 Method for manufacturing toric contact lenses

Country Status (4)

Country Link
US (1) US10994505B2 (en)
EP (1) EP3727818B1 (en)
SG (1) SG11202005139RA (en)
WO (1) WO2019123128A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7628810B2 (en) 2003-05-28 2009-12-08 Acufocus, Inc. Mask configured to maintain nutrient transport without producing visible diffraction patterns
US10004593B2 (en) 2009-08-13 2018-06-26 Acufocus, Inc. Intraocular lens with elastic mask
EP2464311B1 (en) 2009-08-13 2017-11-15 AcuFocus, Inc. Masked intraocular implants and lenses
US9427922B2 (en) * 2013-03-14 2016-08-30 Acufocus, Inc. Process for manufacturing an intraocular lens with an embedded mask
EP3359987B1 (en) 2015-10-05 2024-02-28 AcuFocus, Inc. Methods of molding intraocular lenses
JP7055747B2 (en) 2015-11-24 2022-04-18 アキュフォーカス・インコーポレーテッド Toric small aperture intraocular lens with extended depth of focus
EP3790508A4 (en) 2018-05-09 2022-02-09 AcuFocus, Inc. Intraocular implant with removable optic
SG11202104503QA (en) * 2018-12-10 2021-06-29 Alcon Inc Method for manufacturing toric contact lenses

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US666946A (en) 1900-08-10 1901-01-29 Amos Wallace Portable wind-engine.
CA2181982C (en) * 1994-01-31 1999-07-06 Attilio Apollonio Method of cast molding toric contact lenses
KR100623945B1 (en) 1998-01-16 2006-09-19 바슈 앤드 롬 인코포레이티드 Toric axis alignment machine and method
US6135594A (en) * 1998-12-21 2000-10-24 Johnson & Johnson Vision Care, Inc. Toric contact lens with axis offset compensation and method and apparatus for manufacturing same
US6669460B1 (en) * 1999-02-05 2003-12-30 Novartis Ag Lens mold carrier
US8999209B2 (en) * 2010-04-28 2015-04-07 Bausch & Lomb Incorporated Method and system of measuring toric lens axis angle
JP5008763B2 (en) * 2010-12-03 2012-08-22 キヤノン株式会社 Refractive index distribution measuring method, refractive index distribution measuring apparatus, and optical element manufacturing method

Also Published As

Publication number Publication date
EP3727818B1 (en) 2022-04-06
US10994505B2 (en) 2021-05-04
EP3727818A1 (en) 2020-10-28
US20190193350A1 (en) 2019-06-27
WO2019123128A1 (en) 2019-06-27

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