GB2114926B - Method of manufacturing a multifocal contact lens - Google Patents

Method of manufacturing a multifocal contact lens

Info

Publication number
GB2114926B
GB2114926B GB08215353A GB8215353A GB2114926B GB 2114926 B GB2114926 B GB 2114926B GB 08215353 A GB08215353 A GB 08215353A GB 8215353 A GB8215353 A GB 8215353A GB 2114926 B GB2114926 B GB 2114926B
Authority
GB
United Kingdom
Prior art keywords
manufacturing
contact lens
multifocal contact
multifocal
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.)
Expired
Application number
GB08215353A
Other languages
English (en)
Other versions
GB2114926A (en
Inventor
Akimichi Tsukamoto
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.)
Hoya Lens Corp
Original Assignee
Hoya Lens Corp
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 Hoya Lens Corp filed Critical Hoya Lens Corp
Publication of GB2114926A publication Critical patent/GB2114926A/en
Application granted granted Critical
Publication of GB2114926B publication Critical patent/GB2114926B/en
Expired legal-status Critical Current

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
    • B29D11/00932—Combined cutting and grinding thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/0025—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor for 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
    • B29D11/00028—Bifocal lenses; Multifocal lenses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Eyeglasses (AREA)
GB08215353A 1982-02-15 1982-05-26 Method of manufacturing a multifocal contact lens Expired GB2114926B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2238682A JPS58143949A (ja) 1982-02-15 1982-02-15 多重焦点コンタクトレンズの製造方法

Publications (2)

Publication Number Publication Date
GB2114926A GB2114926A (en) 1983-09-01
GB2114926B true GB2114926B (en) 1985-10-30

Family

ID=12081213

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215353A Expired GB2114926B (en) 1982-02-15 1982-05-26 Method of manufacturing a multifocal contact lens

Country Status (8)

Country Link
JP (1) JPS58143949A (enrdf_load_stackoverflow)
KR (1) KR850001081B1 (enrdf_load_stackoverflow)
AU (1) AU537795B2 (enrdf_load_stackoverflow)
BR (1) BR8203072A (enrdf_load_stackoverflow)
CH (1) CH658732A5 (enrdf_load_stackoverflow)
DE (1) DE3219585A1 (enrdf_load_stackoverflow)
GB (1) GB2114926B (enrdf_load_stackoverflow)
PH (1) PH20839A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4580882A (en) * 1983-04-21 1986-04-08 Benjamin Nuchman Continuously variable contact lens
JPS6395415A (ja) * 1986-10-09 1988-04-26 Nobuko Takimoto 老眼用コンタクトレンズ
US9028063B2 (en) * 2011-08-26 2015-05-12 Johnson & Johnson Vision Care, Inc. Translating presbyopic contact lens pair
CN117103041A (zh) * 2023-08-31 2023-11-24 天津津航技术物理研究所 一种小口径腔长控制镜的镜面加工方法

Also Published As

Publication number Publication date
JPS58143949A (ja) 1983-08-26
KR830009903A (ko) 1983-12-24
GB2114926A (en) 1983-09-01
CH658732A5 (de) 1986-11-28
PH20839A (en) 1987-05-08
KR850001081B1 (ko) 1985-07-27
JPS6147657B2 (enrdf_load_stackoverflow) 1986-10-20
AU537795B2 (en) 1984-07-12
DE3219585A1 (de) 1983-08-25
BR8203072A (pt) 1983-12-13
AU8410582A (en) 1983-08-25

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920526