SG11202104503QA - Method for manufacturing toric contact lenses - Google Patents

Method for manufacturing toric contact lenses

Info

Publication number
SG11202104503QA
SG11202104503QA SG11202104503QA SG11202104503QA SG11202104503QA SG 11202104503Q A SG11202104503Q A SG 11202104503QA SG 11202104503Q A SG11202104503Q A SG 11202104503QA SG 11202104503Q A SG11202104503Q A SG 11202104503QA SG 11202104503Q A SG11202104503Q A SG 11202104503QA
Authority
SG
Singapore
Prior art keywords
contact lenses
toric contact
manufacturing toric
manufacturing
lenses
Prior art date
Application number
SG11202104503QA
Other languages
English (en)
Inventor
Yeming Gu
Curtis Dean Mckenney
Cornelius Daniel 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 SG11202104503QA publication Critical patent/SG11202104503QA/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
    • B29D11/00019—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
    • 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
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning
    • G02C13/001—Assembling; Repairing
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/048—Means for stabilising the orientation of lenses in the eye

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Eyeglasses (AREA)
SG11202104503QA 2018-12-10 2019-12-10 Method for manufacturing toric contact lenses SG11202104503QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862777378P 2018-12-10 2018-12-10
PCT/IB2019/060612 WO2020121192A2 (en) 2018-12-10 2019-12-10 Method for manufacturing toric contact lenses

Publications (1)

Publication Number Publication Date
SG11202104503QA true SG11202104503QA (en) 2021-06-29

Family

ID=69005770

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202104503QA SG11202104503QA (en) 2018-12-10 2019-12-10 Method for manufacturing toric contact lenses

Country Status (4)

Country Link
US (1) US11207854B2 (de)
EP (1) EP3894199A2 (de)
SG (1) SG11202104503QA (de)
WO (1) WO2020121192A2 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6669460B1 (en) 1999-02-05 2003-12-30 Novartis Ag Lens mold carrier
EP3727818B1 (de) * 2017-12-21 2022-04-06 Alcon Inc. Verfahren zur herstellung torischer kontaktlinsen

Also Published As

Publication number Publication date
EP3894199A2 (de) 2021-10-20
US20200183192A1 (en) 2020-06-11
WO2020121192A2 (en) 2020-06-18
US11207854B2 (en) 2021-12-28

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