JPS5948732A - 累進多焦点レンズ - Google Patents

累進多焦点レンズ

Info

Publication number
JPS5948732A
JPS5948732A JP15909282A JP15909282A JPS5948732A JP S5948732 A JPS5948732 A JP S5948732A JP 15909282 A JP15909282 A JP 15909282A JP 15909282 A JP15909282 A JP 15909282A JP S5948732 A JPS5948732 A JP S5948732A
Authority
JP
Japan
Prior art keywords
curve
lens
curvature
distance
area
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.)
Granted
Application number
JP15909282A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6342764B2 (enrdf_load_stackoverflow
Inventor
Shunei Shinohara
俊英 篠原
Sakio Okazaki
岡崎　咲穂
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.)
Seiko Epson Corp
Suwa Seikosha KK
Original Assignee
Seiko Epson Corp
Suwa Seikosha KK
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 Seiko Epson Corp, Suwa Seikosha KK filed Critical Seiko Epson Corp
Priority to JP15909282A priority Critical patent/JPS5948732A/ja
Publication of JPS5948732A publication Critical patent/JPS5948732A/ja
Publication of JPS6342764B2 publication Critical patent/JPS6342764B2/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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power
    • G02C7/063—Shape of the progressive surface
    • G02C7/065—Properties on the principal line
    • 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
    • G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
    • G02C7/061—Spectacle lenses with progressively varying focal power

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
JP15909282A 1982-09-13 1982-09-13 累進多焦点レンズ Granted JPS5948732A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15909282A JPS5948732A (ja) 1982-09-13 1982-09-13 累進多焦点レンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15909282A JPS5948732A (ja) 1982-09-13 1982-09-13 累進多焦点レンズ

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP22813187A Division JPS6371825A (ja) 1987-09-11 1987-09-11 塁進多焦点レンズ

Publications (2)

Publication Number Publication Date
JPS5948732A true JPS5948732A (ja) 1984-03-21
JPS6342764B2 JPS6342764B2 (enrdf_load_stackoverflow) 1988-08-25

Family

ID=15686056

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15909282A Granted JPS5948732A (ja) 1982-09-13 1982-09-13 累進多焦点レンズ

Country Status (1)

Country Link
JP (1) JPS5948732A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886766A (en) * 1994-10-06 1999-03-23 Seiko Epson Corporation Progressive multifocal lens and manufacturing method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886766A (en) * 1994-10-06 1999-03-23 Seiko Epson Corporation Progressive multifocal lens and manufacturing method therefor

Also Published As

Publication number Publication date
JPS6342764B2 (enrdf_load_stackoverflow) 1988-08-25

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