AU586926B2 - Plastic multifocal point spherical lens and method of its production - Google Patents

Plastic multifocal point spherical lens and method of its production

Info

Publication number
AU586926B2
AU586926B2 AU74171/87A AU7417187A AU586926B2 AU 586926 B2 AU586926 B2 AU 586926B2 AU 74171/87 A AU74171/87 A AU 74171/87A AU 7417187 A AU7417187 A AU 7417187A AU 586926 B2 AU586926 B2 AU 586926B2
Authority
AU
Australia
Prior art keywords
production
spherical lens
point spherical
multifocal point
plastic
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.)
Ceased
Application number
AU74171/87A
Other languages
English (en)
Other versions
AU7417187A (en
Inventor
Koichi Maeda
Yasuyoshi Tago
Akio Takigawa
Motoaki Yoshida
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.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass 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 Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Publication of AU7417187A publication Critical patent/AU7417187A/en
Application granted granted Critical
Publication of AU586926B2 publication Critical patent/AU586926B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00528—Consisting of two mould halves joined by an annular gasket
    • 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
    • B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/10—Bifocal lenses; Multifocal lenses
    • 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)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Eyeglasses (AREA)
  • Laminated Bodies (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AU74171/87A 1986-06-14 1987-06-12 Plastic multifocal point spherical lens and method of its production Ceased AU586926B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61-137295 1986-06-14
JP61137295A JPS62295001A (ja) 1986-06-14 1986-06-14 合成樹脂製多焦点球面レンズおよびその製法

Publications (2)

Publication Number Publication Date
AU7417187A AU7417187A (en) 1987-12-17
AU586926B2 true AU586926B2 (en) 1989-07-27

Family

ID=15195344

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74171/87A Ceased AU586926B2 (en) 1986-06-14 1987-06-12 Plastic multifocal point spherical lens and method of its production

Country Status (5)

Country Link
US (1) US4944584A (https=)
JP (1) JPS62295001A (https=)
AU (1) AU586926B2 (https=)
DE (1) DE3719694A1 (https=)
FR (1) FR2600174B1 (https=)

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US7290876B2 (en) * 1999-07-02 2007-11-06 E-Vision, Llc Method and system for electro-active spectacle lens design
US7775660B2 (en) * 1999-07-02 2010-08-17 E-Vision Llc Electro-active ophthalmic lens having an optical power blending region
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US7604349B2 (en) * 1999-07-02 2009-10-20 E-Vision, Llc Static progressive surface region in optical communication with a dynamic optic
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CN1599881A (zh) * 2001-10-05 2005-03-23 E-视觉有限公司 复合电活性透镜
US6712466B2 (en) * 2001-10-25 2004-03-30 Ophthonix, Inc. Eyeglass manufacturing method using variable index layer
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US6801360B2 (en) * 2002-10-28 2004-10-05 International Polarizer, Inc. Polarized lens formed by injection/coining injection molding process
US6834956B2 (en) * 2002-12-27 2004-12-28 International Polarizer, Inc. Thermoformable polarized lens with substrate having adjusted glass transition temperature
US7472993B2 (en) * 2003-06-09 2009-01-06 Asahi Lite Optical Co., Ltd. Bifocal plastic lens
KR20060061831A (ko) 2003-08-15 2006-06-08 이-비젼 엘엘씨 향상된 전기 활성 렌즈 시스템
EP2955567A1 (en) 2003-09-09 2015-12-16 Insight Equity A.P.X., LP Photochromic polyurethane laminate
US7858001B2 (en) * 2003-09-09 2010-12-28 Insight Equity A.P.X., L.P. Photochromic lens
US20050237485A1 (en) * 2004-04-21 2005-10-27 Blum Ronald D Method and apparatus for correcting vision
US8931896B2 (en) 2004-11-02 2015-01-13 E-Vision Smart Optics Inc. Eyewear including a docking station
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AU2005302202B2 (en) * 2004-11-02 2012-04-05 E-Vision, Llc Electro-active spectacles and method of fabricating same
US8778022B2 (en) 2004-11-02 2014-07-15 E-Vision Smart Optics Inc. Electro-active intraocular lenses
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FR2884622B1 (fr) * 2005-04-19 2007-08-10 Essilor Int Verre ophtalmique comprenant une couche d'indice de refraction variable
US7258437B2 (en) * 2005-09-07 2007-08-21 Transitions Optical, Inc. Photochromic multifocal optical article
US20070159562A1 (en) * 2006-01-10 2007-07-12 Haddock Joshua N Device and method for manufacturing an electro-active spectacle lens involving a mechanically flexible integration insert
US20080273166A1 (en) 2007-05-04 2008-11-06 William Kokonaski Electronic eyeglass frame
WO2008105780A2 (en) 2006-05-24 2008-09-04 Pixeloptics, Inc. Optical rangefinder for an electro-active lens
CA2656267A1 (en) 2006-06-23 2008-01-03 Pixeloptics, Inc. Electronic adapter for electro-active spectacle lenses
US7740354B2 (en) * 2006-10-25 2010-06-22 Volk Donald A Multi-layered gradient index progressive lens
US7735998B2 (en) * 2006-10-25 2010-06-15 Volk Donald A Multi-layered multifocal lens with blended refractive index
US20080129953A1 (en) * 2006-10-27 2008-06-05 Blum Ronald D Break away hinge for spectacles
AR064985A1 (es) 2007-01-22 2009-05-06 E Vision Llc Lente electroactivo flexible
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US7883206B2 (en) 2007-03-07 2011-02-08 Pixeloptics, Inc. Multifocal lens having a progressive optical power region and a discontinuity
US7883207B2 (en) 2007-12-14 2011-02-08 Pixeloptics, Inc. Refractive-diffractive multifocal lens
US20080273169A1 (en) 2007-03-29 2008-11-06 Blum Ronald D Multifocal Lens Having a Progressive Optical Power Region and a Discontinuity
US11061252B2 (en) 2007-05-04 2021-07-13 E-Vision, Llc Hinge for electronic spectacles
US10613355B2 (en) 2007-05-04 2020-04-07 E-Vision, Llc Moisture-resistant eye wear
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US8317321B2 (en) * 2007-07-03 2012-11-27 Pixeloptics, Inc. Multifocal lens with a diffractive optical power region
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CN101963322A (zh) * 2009-07-21 2011-02-02 富准精密工业(深圳)有限公司 透镜、发光二极管模组及照明装置
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US10599006B2 (en) 2016-04-12 2020-03-24 E-Vision Smart Optics, Inc. Electro-active lenses with raised resistive bridges
US11172112B2 (en) 2019-09-09 2021-11-09 Embedtek, LLC Imaging system including a non-linear reflector
US20220072743A1 (en) * 2020-06-26 2022-03-10 The Research Foundation For The State University Of New York Thermoplastic components, systems, and methods for forming same
JP7473648B2 (ja) * 2020-06-30 2024-04-23 富士フイルム株式会社 ブレーズド回折光学素子、及びブレーズド回折光学素子の製造方法

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JPS58120217A (ja) * 1982-01-12 1983-07-18 Hoya Corp プラスチツク製２重焦点レンズ
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Also Published As

Publication number Publication date
DE3719694C2 (https=) 1989-06-01
DE3719694A1 (de) 1988-02-18
FR2600174A1 (fr) 1987-12-18
US4944584A (en) 1990-07-31
FR2600174B1 (fr) 1992-11-06
AU7417187A (en) 1987-12-17
JPS62295001A (ja) 1987-12-22

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