WO2009075140A1 - 二重焦点レンズ及び遠近両用メガネ - Google Patents

二重焦点レンズ及び遠近両用メガネ Download PDF

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Publication number
WO2009075140A1
WO2009075140A1 PCT/JP2008/069026 JP2008069026W WO2009075140A1 WO 2009075140 A1 WO2009075140 A1 WO 2009075140A1 JP 2008069026 W JP2008069026 W JP 2008069026W WO 2009075140 A1 WO2009075140 A1 WO 2009075140A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
bifocal
eyeglasses
upper side
generally
Prior art date
Application number
PCT/JP2008/069026
Other languages
English (en)
French (fr)
Inventor
Hisayoshi Kurosaki
Takashi Tsutsumi
Original Assignee
Hisayoshi Kurosaki
Takashi Tsutsumi
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 Hisayoshi Kurosaki, Takashi Tsutsumi filed Critical Hisayoshi Kurosaki
Priority to CN2008801201674A priority Critical patent/CN101896854B/zh
Priority to US12/671,800 priority patent/US8172396B2/en
Publication of WO2009075140A1 publication Critical patent/WO2009075140A1/ja

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

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)

Abstract

　近用領域の使用時に違和感がなく、使用目的に応じた箇所を明確に選択できる低コストの二重焦点レンズ及び遠近両用メガネを提供する。 　屈折率が均一な単一材料で構成され、遠くを見るときに使用される本体レンズ部１Ａの一部に、近くを見るときに使用される老眼レンズ部１Ｂを設けたメガネ用の二重焦点レンズである。老眼レンズ部１Ｂは、使用状態で略水平となる上辺と、上辺に連続して耳に向けて広がる耳側の側辺と、メガネフレーム下方の周縁形状に沿った下辺とで、全体として略円弧状又は略矩形状に形成され、上辺と側辺とが、使用者に認識可能な略直線状の境界ラインを形成している。
PCT/JP2008/069026 2007-12-10 2008-10-21 二重焦点レンズ及び遠近両用メガネ WO2009075140A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008801201674A CN101896854B (zh) 2007-12-10 2008-10-21 二重焦点透镜和远近两用眼镜
US12/671,800 US8172396B2 (en) 2007-12-10 2008-10-21 Bifocal lens and bifocal eyeglasses

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-318281 2007-12-10
JP2007318281A JP5133671B2 (ja) 2007-12-10 2007-12-10 二重焦点レンズ及び遠近両用メガネ

Publications (1)

Publication Number Publication Date
WO2009075140A1 true WO2009075140A1 (ja) 2009-06-18

Family

ID=40755385

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/069026 WO2009075140A1 (ja) 2007-12-10 2008-10-21 二重焦点レンズ及び遠近両用メガネ

Country Status (4)

Country Link
US (1) US8172396B2 (ja)
JP (1) JP5133671B2 (ja)
CN (1) CN101896854B (ja)
WO (1) WO2009075140A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9737156B2 (en) 2013-12-23 2017-08-22 Hussmann Corporation Zone cooling in a refrigerated merchandiser
AU2016312686A1 (en) * 2015-08-26 2018-04-19 Alejandro A. Goebel Quintana Corrective lens apparatus and method
JP6770601B2 (ja) * 2019-03-11 2020-10-14 株式会社ホプニック研究所 プラスチックレンズの再生方法
CN110509117A (zh) * 2019-09-04 2019-11-29 刘光华 镜片磨制方法及镜片

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0684428U (ja) * 1993-05-14 1994-12-02 株式会社▲視▼泉堂 遠近両用サングラス
JPH10186290A (ja) * 1996-12-20 1998-07-14 Nikon Corp 二重焦点レンズ
JP2004118173A (ja) * 2002-09-26 2004-04-15 Souichi Yamada 遠近両用メガネレンズ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869588A (en) * 1987-09-14 1989-09-26 Opticorp, Inc. Non-progressive multifocal ophthamic lenses
CN100472278C (zh) * 2003-06-09 2009-03-25 株式会社朝日光学 两焦点塑料镜片
JP3108605U (ja) * 2004-11-05 2005-04-28 株式会社栄新 眼鏡用レンズ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0684428U (ja) * 1993-05-14 1994-12-02 株式会社▲視▼泉堂 遠近両用サングラス
JPH10186290A (ja) * 1996-12-20 1998-07-14 Nikon Corp 二重焦点レンズ
JP2004118173A (ja) * 2002-09-26 2004-04-15 Souichi Yamada 遠近両用メガネレンズ

Also Published As

Publication number Publication date
JP2009139824A (ja) 2009-06-25
CN101896854B (zh) 2012-05-02
US20110228216A1 (en) 2011-09-22
CN101896854A (zh) 2010-11-24
JP5133671B2 (ja) 2013-01-30
US8172396B2 (en) 2012-05-08

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