CN1023259C - 小孔径多焦点透镜 - Google Patents

小孔径多焦点透镜 Download PDF

Info

Publication number
CN1023259C
CN1023259C CN90103933A CN90103933A CN1023259C CN 1023259 C CN1023259 C CN 1023259C CN 90103933 A CN90103933 A CN 90103933A CN 90103933 A CN90103933 A CN 90103933A CN 1023259 C CN1023259 C CN 1023259C
Authority
CN
China
Prior art keywords
zone plate
phase zone
endless belt
lens
light
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 - Fee Related
Application number
CN90103933A
Other languages
English (en)
Chinese (zh)
Other versions
CN1047925A (zh
Inventor
艾伦·L·科恩
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CN1047925A publication Critical patent/CN1047925A/zh
Application granted granted Critical
Publication of CN1023259C publication Critical patent/CN1023259C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/044Annular configuration, e.g. pupil tuned
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • G02B5/1876Diffractive Fresnel lenses; Zone plates; Kinoforms
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/041Contact lenses for the eyes bifocal; multifocal
    • G02C7/042Simultaneous type
    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/20Diffractive and Fresnel lenses or lens portions

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Prostheses (AREA)
  • Eyeglasses (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Materials For Medical Uses (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
CN90103933A 1989-04-19 1990-04-19 小孔径多焦点透镜 Expired - Fee Related CN1023259C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/340,496 US5121980A (en) 1989-04-19 1989-04-19 Small aperture multifocal
US340,496 1989-04-19

Publications (2)

Publication Number Publication Date
CN1047925A CN1047925A (zh) 1990-12-19
CN1023259C true CN1023259C (zh) 1993-12-22

Family

ID=23333606

Family Applications (1)

Application Number Title Priority Date Filing Date
CN90103933A Expired - Fee Related CN1023259C (zh) 1989-04-19 1990-04-19 小孔径多焦点透镜

Country Status (17)

Country Link
US (1) US5121980A (cg-RX-API-DMAC7.html)
EP (1) EP0393639B1 (cg-RX-API-DMAC7.html)
JP (1) JP2768801B2 (cg-RX-API-DMAC7.html)
KR (1) KR100215166B1 (cg-RX-API-DMAC7.html)
CN (1) CN1023259C (cg-RX-API-DMAC7.html)
AT (1) ATE133794T1 (cg-RX-API-DMAC7.html)
AU (1) AU638451B2 (cg-RX-API-DMAC7.html)
CA (1) CA2014754C (cg-RX-API-DMAC7.html)
DE (1) DE69025085T2 (cg-RX-API-DMAC7.html)
DK (1) DK0393639T3 (cg-RX-API-DMAC7.html)
ES (1) ES2081869T3 (cg-RX-API-DMAC7.html)
GR (1) GR3019599T3 (cg-RX-API-DMAC7.html)
IE (1) IE74683B1 (cg-RX-API-DMAC7.html)
IL (1) IL94136A (cg-RX-API-DMAC7.html)
NO (1) NO300047B1 (cg-RX-API-DMAC7.html)
TW (1) TW228574B (cg-RX-API-DMAC7.html)
ZA (1) ZA902918B (cg-RX-API-DMAC7.html)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5076684A (en) * 1988-04-01 1991-12-31 Minnesota Mining And Manufacturing Company Multi-focal diffractive ophthalmic lenses
ZA888416B (en) 1988-07-20 1989-07-26 L Cohen Allen Multifocal optical device
KR0133919B1 (ko) 1988-08-26 1998-04-20 엘.코헨 알렌 회절성 다초점 광학성분
JP2899296B2 (ja) 1988-11-10 1999-06-02 アレン・エル・コーエン 多焦点位相板の製造方法
JPH04361201A (ja) * 1991-06-10 1992-12-14 Olympus Optical Co Ltd フレネルゾーンプレートを用いた光学系
DE4134518A1 (de) * 1991-10-18 1993-04-22 Adatomed Pharma & Med Ophthalmische linse
US5344447A (en) * 1992-11-12 1994-09-06 Massachusetts Institute Of Technology Diffractive trifocal intra-ocular lens design
US5760871A (en) * 1993-01-06 1998-06-02 Holo-Or Ltd. Diffractive multi-focal lens
US5895422A (en) * 1993-06-17 1999-04-20 Hauber; Frederick A. Mixed optics intraocular achromatic lens
US5517260A (en) * 1994-03-28 1996-05-14 Vari-Site, Inc. Ophthalmic lens having a progressive multifocal zone and method of manufacturing same
US5699142A (en) * 1994-09-01 1997-12-16 Alcon Laboratories, Inc. Diffractive multifocal ophthalmic lens
US6158862A (en) * 1997-12-04 2000-12-12 Alcon Laboratories, Inc. Method of reducing glare associated with multifocal ophthalmic lenses
US6392805B1 (en) * 1998-03-23 2002-05-21 Minolta Co., Ltd. Diffractive optical element and an optical system having a diffractive optical element
US6120148A (en) * 1998-10-05 2000-09-19 Bifocon Optics Gmbh Diffractive lens
DE19926512A1 (de) * 1999-06-10 2000-12-14 Acritec Gmbh Intraokularlinse
US6536898B1 (en) * 2000-09-15 2003-03-25 The Regents Of The University Of Colorado Extended depth of field optics for human vision
US6963450B2 (en) * 2000-12-06 2005-11-08 Dai Nippon Printing Co., Ltd. Fresnel lens and die for the same
US6596025B2 (en) * 2001-03-15 2003-07-22 Valdemar Portney Narrow profile intraocular lens
US7063422B2 (en) 2003-04-16 2006-06-20 Novartis Ag Multifocal ophthalmic lens
PL3419388T3 (pl) * 2003-04-21 2021-01-25 Signify North America Corporation Sposoby i systemy oświetlenia płytowego
US6951391B2 (en) * 2003-06-16 2005-10-04 Apollo Optical Systems Llc Bifocal multiorder diffractive lenses for vision correction
WO2004113994A2 (en) * 2003-06-20 2004-12-29 Optics 1, Inc. Multi-phase contact lens
ATE527570T1 (de) * 2003-06-30 2011-10-15 Werner Fiala Intraokularlinse oder kontaktlinsen mit grosser tiefenschärfe
US20050027354A1 (en) * 2003-07-28 2005-02-03 Advanced Medical Optics, Inc. Primary and supplemental intraocular lens
US7044597B2 (en) 2003-12-16 2006-05-16 Bausch & Lomb Incorporated Multifocal contact lens and method of manufacture thereof
US7025456B2 (en) * 2004-08-20 2006-04-11 Apollo Optical Systems, Llc Diffractive lenses for vision correction
US7156516B2 (en) * 2004-08-20 2007-01-02 Apollo Optical Systems Llc Diffractive lenses for vision correction
US7506983B2 (en) 2004-09-30 2009-03-24 The Hong Kong Polytechnic University Method of optical treatment
EP3480650A1 (en) 2004-10-25 2019-05-08 Johnson & Johnson Surgical Vision, Inc. Ophthalmic lens with multiple phase plates
US7922326B2 (en) 2005-10-25 2011-04-12 Abbott Medical Optics Inc. Ophthalmic lens with multiple phase plates
WO2006137355A1 (ja) * 2005-06-20 2006-12-28 Riverbell Co., Ltd. 多焦点レンズおよび撮像システム
AR062067A1 (es) 2006-07-17 2008-10-15 Novartis Ag Lentes de contacto toricas con perfil de potencia optica controlado
US8619362B2 (en) * 2006-08-01 2013-12-31 Valdemar Portney Multifocal diffractive ophthalmic lens with multifocal base surface
KR20090066292A (ko) * 2006-10-10 2009-06-23 노파르티스 아게 광학적으로 조절되는 주변 부분을 갖는 렌즈 및 상기 렌즈의 설계 및 제조 방법
US8974526B2 (en) 2007-08-27 2015-03-10 Amo Groningen B.V. Multizonal lens with extended depth of focus
US8740978B2 (en) * 2007-08-27 2014-06-03 Amo Regional Holdings Intraocular lens having extended depth of focus
US8747466B2 (en) * 2007-08-27 2014-06-10 Amo Groningen, B.V. Intraocular lens having extended depth of focus
US20090062911A1 (en) * 2007-08-27 2009-03-05 Amo Groningen Bv Multizonal lens with extended depth of focus
US9216080B2 (en) 2007-08-27 2015-12-22 Amo Groningen B.V. Toric lens with decreased sensitivity to cylinder power and rotation and method of using the same
EP2243052B1 (en) 2008-02-15 2011-09-07 AMO Regional Holdings System, ophthalmic lens, and method for extending depth of focus
US8439498B2 (en) 2008-02-21 2013-05-14 Abbott Medical Optics Inc. Toric intraocular lens with modified power characteristics
CN103645569B (zh) * 2008-04-18 2016-01-06 诺瓦提斯公司 控制近视的装置
US7871162B2 (en) * 2008-04-24 2011-01-18 Amo Groningen B.V. Diffractive multifocal lens having radially varying light distribution
US8231219B2 (en) 2008-04-24 2012-07-31 Amo Groningen B.V. Diffractive lens exhibiting enhanced optical performance
US8862447B2 (en) 2010-04-30 2014-10-14 Amo Groningen B.V. Apparatus, system and method for predictive modeling to design, evaluate and optimize ophthalmic lenses
US8684520B2 (en) * 2008-08-11 2014-04-01 Novartis Ag Lens design and method for preventing or slowing the progression of myopia
WO2010028463A1 (en) * 2008-09-09 2010-03-18 Ronaldo Santos Pereira Process and device for damping of impacts
US8734511B2 (en) * 2008-10-20 2014-05-27 Amo Groningen, B.V. Multifocal intraocular lens
US8771348B2 (en) * 2008-10-20 2014-07-08 Abbott Medical Optics Inc. Multifocal intraocular lens
US8292953B2 (en) 2008-10-20 2012-10-23 Amo Groningen B.V. Multifocal intraocular lens
US8216307B2 (en) * 2008-12-19 2012-07-10 Novartis Ag Radially segmented apodized diffractive multifocal design for ocular implant
RU2540228C2 (ru) * 2008-12-19 2015-02-10 Новартис Аг Коррекция периферической дефокусировки глаза и предотвращение дальнейшего развития рефракционных ошибок
WO2010079528A1 (ja) 2009-01-06 2010-07-15 株式会社メニコン 回折レンズの製造方法
JP5342244B2 (ja) 2009-01-06 2013-11-13 株式会社メニコン 無水晶体眼内レンズの製造方法
SG10201402266XA (en) 2009-02-12 2014-10-30 Univ Arizona State Diffractive trifocal lens
US8128222B2 (en) * 2009-07-27 2012-03-06 Valdemar Portney Multifocal diffractive contact lens with bi-sign surface shape
EP2290411B1 (en) 2009-08-27 2012-05-09 Polymer Technologies International (EOU) Refractive-diffractive lens
US9370416B2 (en) 2009-08-27 2016-06-21 Jagrat Natavar DAVE Refractive-diffractive lens
CN102762169B (zh) * 2009-10-26 2015-09-09 诺华公司 用于眼植入物的经相移的中心远距衍射设计
CA2784771C (en) 2009-12-18 2018-12-04 Hendrik A. Weeber Single microstructure lens, systems and methods
US9039762B2 (en) * 2010-03-23 2015-05-26 Novartis Ag Accommodating intraocular lens using trapezoidal phase shift
WO2012004744A2 (en) 2010-07-05 2012-01-12 Polymer Technologies International (Eou) Polymeric composition for ocular devices
WO2012073112A1 (en) 2010-12-01 2012-06-07 Amo Groningen B.V. A multifocal lens having an optical add power progression, and a system and method of providing same
US20120140166A1 (en) * 2010-12-07 2012-06-07 Abbott Medical Optics Inc. Pupil dependent diffractive lens for near, intermediate, and far vision
US9931200B2 (en) 2010-12-17 2018-04-03 Amo Groningen B.V. Ophthalmic devices, systems, and methods for optimizing peripheral vision
US8894204B2 (en) 2010-12-17 2014-11-25 Abbott Medical Optics Inc. Ophthalmic lens, systems and methods having at least one rotationally asymmetric diffractive structure
US9563070B2 (en) * 2012-02-09 2017-02-07 Menicon Co., Ltd. Diffraction-type multifocal ophthalmic lens and manufacturing method thereof
JP5916770B2 (ja) * 2012-02-09 2016-05-11 株式会社メニコン 多焦点眼用レンズとその製造方法
WO2014033543A2 (en) 2012-08-31 2014-03-06 Amo Groningen B.V. Multi-ring lens, systems and methods for extended depth of focus
EP2928413B1 (en) 2012-12-04 2019-08-14 AMO Groningen B.V. Lenses systems and methods for providing binocular customized treatments to correct presbyopia
EP2945570A1 (en) 2013-01-15 2015-11-25 Dave, Jagrat Natavar Toric-diffractive lens
WO2014143585A1 (en) 2013-03-11 2014-09-18 Abbott Medical Optics Inc. Intraocular lens that matches an image surface to a retinal shape, and method of designing same
WO2015150925A1 (en) 2014-03-10 2015-10-08 Amo Groningen B.V. Intraocular lens that improves overall vision where there is a local loss of retinal function
EP4445870A3 (en) 2014-04-21 2024-12-25 Amo Groningen B.V. Ophthalmic devices, system and methods that improve peripheral vision
CN106659566B (zh) 2014-07-25 2018-06-12 武藏野镜片研究公司 有晶状体眼人工晶状体
JP6653252B2 (ja) * 2014-08-08 2020-02-26 株式会社メニコン 眼用回折多焦点レンズの製造方法および眼用回折多焦点レンズ
US11547554B2 (en) 2015-04-14 2023-01-10 Z Optics, Inc. High definition and extended depth of field intraocular lens
US11696823B2 (en) 2015-04-14 2023-07-11 Z Optics, Inc. High definition and extended depth of field intraocular lens
CN104880753B (zh) * 2015-05-05 2018-07-20 清华大学深圳研究生院 用于制作菲涅尔光栅的优化设计方法
CN106323981B (zh) * 2015-06-23 2017-11-14 南京理工大学 基于偏轴型位相波带片干涉显微检测装置
EP3130314A1 (en) 2015-08-12 2017-02-15 PhysIOL SA Trifocal intraocular lens with extended range of vision and correction of longitudinal chromatic aberration
ES2660306T3 (es) * 2015-10-02 2018-03-21 Rayner Intraocular Lenses Limited Lente multifocal y procedimiento para su fabricación
AU2017218681B2 (en) 2016-02-09 2021-09-23 Amo Groningen B.V. Progressive power intraocular lens, and methods of use and manufacture
AU2017230971B2 (en) 2016-03-11 2021-11-11 Amo Groningen B.V. Intraocular lenses that improve peripheral vision
WO2017165660A1 (en) 2016-03-23 2017-09-28 Abbott Medical Optics Inc. Ophthalmic apparatus with corrective meridians having extended tolerance band
WO2017165700A1 (en) 2016-03-23 2017-09-28 Abbott Medical Optics Inc. Ophthalmic apparatus with corrective meridians having extended tolerance band
AU2017252020B2 (en) 2016-04-19 2021-11-11 Amo Groningen B.V. Ophthalmic devices, system and methods that improve peripheral vision
CA3041404A1 (en) 2016-10-25 2018-05-03 Amo Groningen B.V. Realistic eye models to design and evaluate intraocular lenses for a large field of view
US10426599B2 (en) * 2016-11-29 2019-10-01 Novartis Ag Multifocal lens having reduced chromatic aberrations
EP3582719B1 (en) 2017-02-14 2025-01-22 Dave, Jagrat Natavar Diffractive multifocal implantable lens device
AU2018235011A1 (en) 2017-03-17 2019-10-24 Amo Groningen B.V. Diffractive intraocular lenses for extended range of vision
US10739227B2 (en) 2017-03-23 2020-08-11 Johnson & Johnson Surgical Vision, Inc. Methods and systems for measuring image quality
US11523897B2 (en) 2017-06-23 2022-12-13 Amo Groningen B.V. Intraocular lenses for presbyopia treatment
WO2019002384A1 (en) 2017-06-28 2019-01-03 Amo Groningen B.V. DIFFRACTIVE LENSES AND INTRAOCULAR LENSES ASSOCIATED WITH THE TREATMENT OF PRESBYOPIA
EP4480450A3 (en) 2017-06-28 2025-04-02 Amo Groningen B.V. Extended range and related intraocular lenses for presbyopia treatment
US11327210B2 (en) 2017-06-30 2022-05-10 Amo Groningen B.V. Non-repeating echelettes and related intraocular lenses for presbyopia treatment
AU2018376564B2 (en) 2017-11-30 2024-11-14 Amo Groningen B.V. Intraocular lenses that improve post-surgical spectacle independent and methods of manufacturing thereof
CN111417364B (zh) 2017-12-28 2023-10-31 梅迪康特医疗工程有限公司 三焦点人造眼镜片及其生产方法
GB2576212B (en) * 2018-08-10 2021-12-29 X Fab Semiconductor Foundries Gmbh Improvements in lens layers for semiconductor devices
EP3891554A1 (en) 2018-12-06 2021-10-13 AMO Groningen B.V. Diffractive lenses for presbyopia treatment
US11106056B2 (en) 2019-03-28 2021-08-31 Aizhong Zhang Subzonal multifocal diffractive lens
CA3166308A1 (en) 2019-12-30 2021-07-08 Amo Groningen B.V. Lenses having diffractive profiles with irregular width for vision treatment
US11886046B2 (en) 2019-12-30 2024-01-30 Amo Groningen B.V. Multi-region refractive lenses for vision treatment
WO2022233683A1 (en) 2021-05-05 2022-11-10 Amo Groningen B.V. Ring halometer system and method for quantifying dysphotopsias
TW202307527A (zh) 2021-06-14 2023-02-16 瑞士商愛爾康公司 繞射接觸鏡片
CN115050504B (zh) * 2022-05-25 2025-09-26 中国科学技术大学 波带片的制备方法、波带片及光学透镜
CN120569663A (zh) 2023-02-28 2025-08-29 爱尔康公司 用于嵌入式隐形眼镜的彩色掩模
WO2024246819A1 (en) 2023-06-01 2024-12-05 Alcon Inc. Method for making embedded hydrogel contact lenses
US20250164823A1 (en) 2023-11-20 2025-05-22 Alcon Inc. Embedded contact lens with a high refractive index insert therein

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4210391A (en) 1977-09-14 1980-07-01 Cohen Allen L Multifocal zone plate
US4340283A (en) * 1978-12-18 1982-07-20 Cohen Allen L Phase shift multifocal zone plate
US4338005A (en) 1978-12-18 1982-07-06 Cohen Allen L Multifocal phase place
EP0107444B1 (en) * 1982-10-13 1990-06-27 N.G. Trustees And Nominees Limited Bifocal contact lenses
US4881805A (en) * 1987-11-12 1989-11-21 Cohen Allen L Progressive intensity phase bifocal
US4881804A (en) * 1987-11-12 1989-11-21 Cohen Allen L Multifocal phase plate with a pure refractive portion
CA1316728C (en) * 1988-04-01 1993-04-27 Michael J. Simpson Multi-focal diffractive ophthalmic lenses
FR2631713B1 (fr) * 1988-05-19 1990-08-31 Essilor Int Lentille diffractive a profil mixte

Also Published As

Publication number Publication date
JPH0362001A (ja) 1991-03-18
NO901744D0 (no) 1990-04-19
AU5367590A (en) 1990-10-25
EP0393639B1 (en) 1996-01-31
DE69025085T2 (de) 1996-05-30
CA2014754A1 (en) 1990-10-19
US5121980A (en) 1992-06-16
DE69025085D1 (de) 1996-03-14
IE74683B1 (en) 1997-07-30
DK0393639T3 (da) 1996-02-19
TW228574B (cg-RX-API-DMAC7.html) 1994-08-21
ATE133794T1 (de) 1996-02-15
CA2014754C (en) 1998-12-29
ES2081869T3 (es) 1996-03-16
KR100215166B1 (ko) 1999-08-16
ZA902918B (en) 1991-05-29
CN1047925A (zh) 1990-12-19
NO901744L (no) 1990-10-22
IL94136A0 (en) 1991-01-31
IE901372A1 (en) 1991-02-13
AU638451B2 (en) 1993-07-01
IL94136A (en) 1994-10-07
EP0393639A2 (en) 1990-10-24
GR3019599T3 (en) 1996-07-31
IE901372L (en) 1990-10-19
KR900016784A (ko) 1990-11-14
NO300047B1 (no) 1997-03-24
JP2768801B2 (ja) 1998-06-25
EP0393639A3 (en) 1991-10-23

Similar Documents

Publication Publication Date Title
CN1023259C (zh) 小孔径多焦点透镜
US12468175B2 (en) Ophthalmic lenses with light scattering for treating myopia
US9563070B2 (en) Diffraction-type multifocal ophthalmic lens and manufacturing method thereof
KR0158673B1 (ko) 안과용 다초점 렌즈
US5260727A (en) Wide depth of focus intraocular and contact lenses
US8192022B2 (en) Optical method and system for extended depth of focus
US11009723B2 (en) Ophthalmic diffractive multi-focal lens and method for manufacturing ophthalmic diffractive multi-focal lens
HUT65866A (en) Method for developing sight lens and sight repairing lens
EP2813882A1 (en) Multi-focal optical lens, and manufacturing method for same
CN1033884A (zh) 强度递增式相位片双焦点镜片
CN1637466A (zh) 具有小孔的多焦点接触眼镜
CN1042613A (zh) 采用相移阶梯的多焦镜片
TWI883747B (zh) 用於近視管理之具過渡光散射中心之眼用鏡片
RU175630U1 (ru) Многозональная фотохромная цветная контактная линза
CN118502137A (zh) 离焦镜片及其光学参数值的设置方法、眼镜
IE68759B1 (en) Multifocals using phase shifting steps
RU2021135879A (ru) Способ конструирования безрамочных фотохромных мягких контактных линз
JPH0511221A (ja) 多焦点眼用レンズ
HK40039948A (en) Ophthalmic lenses with light scattering for treating myopia
RU96108391A (ru) Однофокальная линза с концентрической кольцевой зоной и способ ее изготовления

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee