FR2754916B1 - Verre multifocal progressif - Google Patents

Verre multifocal progressif

Info

Publication number
FR2754916B1
FR2754916B1 FR9713108A FR9713108A FR2754916B1 FR 2754916 B1 FR2754916 B1 FR 2754916B1 FR 9713108 A FR9713108 A FR 9713108A FR 9713108 A FR9713108 A FR 9713108A FR 2754916 B1 FR2754916 B1 FR 2754916B1
Authority
FR
France
Prior art keywords
progressive multifocal
multifocal glass
glass
progressive
multifocal
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 - Lifetime
Application number
FR9713108A
Other languages
English (en)
Other versions
FR2754916A1 (fr
Inventor
Yasunori Ueno
Mitsuhiro Yanari
Fumio Takahashi
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.)
Nikon Corp
Original Assignee
Nikon 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 Nikon Corp filed Critical Nikon Corp
Priority to FR9713108A priority Critical patent/FR2754916B1/fr
Publication of FR2754916A1 publication Critical patent/FR2754916A1/fr
Application granted granted Critical
Publication of FR2754916B1 publication Critical patent/FR2754916B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
FR9713108A 1997-10-20 1997-10-20 Verre multifocal progressif Expired - Lifetime FR2754916B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9713108A FR2754916B1 (fr) 1997-10-20 1997-10-20 Verre multifocal progressif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9713108A FR2754916B1 (fr) 1997-10-20 1997-10-20 Verre multifocal progressif

Publications (2)

Publication Number Publication Date
FR2754916A1 FR2754916A1 (fr) 1998-04-24
FR2754916B1 true FR2754916B1 (fr) 1999-07-16

Family

ID=9512421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9713108A Expired - Lifetime FR2754916B1 (fr) 1997-10-20 1997-10-20 Verre multifocal progressif

Country Status (1)

Country Link
FR (1) FR2754916B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0690368B2 (ja) * 1985-07-09 1994-11-14 セイコーエプソン株式会社 累進多焦点レンズ及び眼鏡
FR2699294B1 (fr) * 1992-12-11 1995-02-10 Essilor Int Lentille ophtalmique multifocale progressive.
EP0632308A1 (fr) * 1993-06-29 1995-01-04 Nikon Corporation Lentille progressive
FR2733328B1 (fr) * 1995-04-21 1997-06-13 Essilor Int Lentille ophtalmique multifocale progressive

Also Published As

Publication number Publication date
FR2754916A1 (fr) 1998-04-24

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