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BR8203072A - PROCESS OF MANUFACTURING A MULTIFOCAL CONTACT LENS - Google Patents

PROCESS OF MANUFACTURING A MULTIFOCAL CONTACT LENS

Info

Publication number
BR8203072A
BR8203072A BR8203072A BR8203072A BR8203072A BR 8203072 A BR8203072 A BR 8203072A BR 8203072 A BR8203072 A BR 8203072A BR 8203072 A BR8203072 A BR 8203072A BR 8203072 A BR8203072 A BR 8203072A
Authority
BR
Brazil
Prior art keywords
manufacturing
contact lens
multifocal contact
multifocal
lens
Prior art date
Application number
BR8203072A
Other languages
Portuguese (pt)
Inventor
Akimichi Tsukamoto
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 BR8203072A publication Critical patent/BR8203072A/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
    • B29D11/00932—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)
BR8203072A 1982-02-15 1982-05-26 PROCESS OF MANUFACTURING A MULTIFOCAL CONTACT LENS BR8203072A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2238682A JPS58143949A (en) 1982-02-15 1982-02-15 Manufacture of contact lens of maltiple focus

Publications (1)

Publication Number Publication Date
BR8203072A true BR8203072A (en) 1983-12-13

Family

ID=12081213

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8203072A BR8203072A (en) 1982-02-15 1982-05-26 PROCESS OF MANUFACTURING A MULTIFOCAL CONTACT LENS

Country Status (8)

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

Families Citing this family (5)

* 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 (en) * 1986-10-09 1988-04-26 Nobuko Takimoto Contact lens for presbyopia
US9028063B2 (en) * 2011-08-26 2015-05-12 Johnson & Johnson Vision Care, Inc. Translating presbyopic contact lens pair
CN117103041A (en) * 2023-08-31 2023-11-24 天津津航技术物理研究所 A mirror processing method for small-diameter cavity length control mirror
EP4516452A1 (en) * 2023-08-31 2025-03-05 Essilor International A method for polishing a surface

Also Published As

Publication number Publication date
KR850001081B1 (en) 1985-07-27
AU8410582A (en) 1983-08-25
KR830009903A (en) 1983-12-24
GB2114926A (en) 1983-09-01
DE3219585A1 (en) 1983-08-25
GB2114926B (en) 1985-10-30
JPS58143949A (en) 1983-08-26
AU537795B2 (en) 1984-07-12
CH658732A5 (en) 1986-11-28
JPS6147657B2 (en) 1986-10-20
PH20839A (en) 1987-05-08

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