JPS6237369B2 - - Google Patents

Info

Publication number
JPS6237369B2
JPS6237369B2 JP2654382A JP2654382A JPS6237369B2 JP S6237369 B2 JPS6237369 B2 JP S6237369B2 JP 2654382 A JP2654382 A JP 2654382A JP 2654382 A JP2654382 A JP 2654382A JP S6237369 B2 JPS6237369 B2 JP S6237369B2
Authority
JP
Japan
Prior art keywords
lens
point
lens surface
far
lens material
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
JP2654382A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58143316A (ja
Inventor
Kyoichi Tanaka
Tamotsu Kato
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.)
Menicon Co Ltd
Original Assignee
Toyo Contact Lens Co 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
Application filed by Toyo Contact Lens Co Ltd filed Critical Toyo Contact Lens Co Ltd
Priority to JP2654382A priority Critical patent/JPS58143316A/ja
Publication of JPS58143316A publication Critical patent/JPS58143316A/ja
Publication of JPS6237369B2 publication Critical patent/JPS6237369B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
JP2654382A 1982-02-19 1982-02-19 バイフオ−カルコンタクトレンズの製造法 Granted JPS58143316A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2654382A JPS58143316A (ja) 1982-02-19 1982-02-19 バイフオ−カルコンタクトレンズの製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2654382A JPS58143316A (ja) 1982-02-19 1982-02-19 バイフオ−カルコンタクトレンズの製造法

Publications (2)

Publication Number Publication Date
JPS58143316A JPS58143316A (ja) 1983-08-25
JPS6237369B2 true JPS6237369B2 (US06589383-20030708-C00041.png) 1987-08-12

Family

ID=12196412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2654382A Granted JPS58143316A (ja) 1982-02-19 1982-02-19 バイフオ−カルコンタクトレンズの製造法

Country Status (1)

Country Link
JP (1) JPS58143316A (US06589383-20030708-C00041.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0248489A3 (en) * 1986-06-02 1989-09-06 Gregory N. Miller Contact lens and method of making same
US5270744A (en) 1987-06-01 1993-12-14 Valdemar Portney Multifocal ophthalmic lens
EP0318561B1 (en) * 1987-06-01 1995-12-13 PORTNEY, Valdemar Multifocal ophthalmic lens
US6773107B2 (en) * 2000-08-17 2004-08-10 Novartis Ag Soft translating contact lens for presbyopia

Also Published As

Publication number Publication date
JPS58143316A (ja) 1983-08-25

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