NO300047B1 - Multifokal optisk innretning med liten åpning - Google Patents

Multifokal optisk innretning med liten åpning Download PDF

Info

Publication number
NO300047B1
NO300047B1 NO901744A NO901744A NO300047B1 NO 300047 B1 NO300047 B1 NO 300047B1 NO 901744 A NO901744 A NO 901744A NO 901744 A NO901744 A NO 901744A NO 300047 B1 NO300047 B1 NO 300047B1
Authority
NO
Norway
Prior art keywords
zone
lens
zone plate
zones
phase zone
Prior art date
Application number
NO901744A
Other languages
English (en)
Norwegian (no)
Other versions
NO901744D0 (no
NO901744L (no
Inventor
Allen L Cohen
Ltd Hydron
Original Assignee
Allen L Cohen
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 Allen L Cohen filed Critical Allen L Cohen
Publication of NO901744D0 publication Critical patent/NO901744D0/no
Publication of NO901744L publication Critical patent/NO901744L/no
Publication of NO300047B1 publication Critical patent/NO300047B1/no

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/042—Simultaneous type
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/20—Diffractive 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)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Materials For Medical Uses (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
NO901744A 1989-04-19 1990-04-19 Multifokal optisk innretning med liten åpning NO300047B1 (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO901744D0 NO901744D0 (no) 1990-04-19
NO901744L NO901744L (no) 1990-10-22
NO300047B1 true NO300047B1 (no) 1997-03-24

Family

ID=23333606

Family Applications (1)

Application Number Title Priority Date Filing Date
NO901744A NO300047B1 (no) 1989-04-19 1990-04-19 Multifokal optisk innretning med liten åpning

Country Status (17)

Country Link
US (1) US5121980A (2)
EP (1) EP0393639B1 (2)
JP (1) JP2768801B2 (2)
KR (1) KR100215166B1 (2)
CN (1) CN1023259C (2)
AT (1) ATE133794T1 (2)
AU (1) AU638451B2 (2)
CA (1) CA2014754C (2)
DE (1) DE69025085T2 (2)
DK (1) DK0393639T3 (2)
ES (1) ES2081869T3 (2)
GR (1) GR3019599T3 (2)
IE (1) IE74683B1 (2)
IL (1) IL94136A (2)
NO (1) NO300047B1 (2)
TW (1) TW228574B (2)
ZA (1) ZA902918B (2)

Families Citing this family (111)

* 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
ES2081811T3 (es) 1988-07-20 1996-03-16 Allen L Dr Cohen Elemento optico difractivo multifocal.
IE73284B1 (en) 1988-08-26 1997-05-21 Allen L Cohen The invention relates to a method of manufacturing a multifocal diffractive optical element
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
CN100359342C (zh) * 2000-12-06 2008-01-02 大日本印刷株式会社 菲涅尔透镜及其模具
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
PL1620843T3 (pl) * 2003-04-21 2016-01-29 Philips Lighting North America Corp Sposoby i systemy oświetlenia płytkowego
US6951391B2 (en) * 2003-06-16 2005-10-04 Apollo Optical Systems Llc Bifocal multiorder diffractive lenses for vision correction
EP1639399A2 (en) * 2003-06-20 2006-03-29 Optics 1, Inc. Multi-phase contact lens
WO2005001553A1 (en) * 2003-06-30 2005-01-06 Fiala Werner J Intra-ocular lens or contact lens exhibiting large depth of focus
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
US7922326B2 (en) 2005-10-25 2011-04-12 Abbott Medical Optics Inc. Ophthalmic lens with multiple phase plates
EP2527908B1 (en) 2004-10-25 2019-03-20 Johnson & Johnson Surgical Vision, 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
KR20150015046A (ko) * 2006-10-10 2015-02-09 노파르티스 아게 광학적으로 조절되는 주변 부분을 갖는 렌즈 및 상기 렌즈의 설계 및 제조 방법
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
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
US8974526B2 (en) 2007-08-27 2015-03-10 Amo Groningen B.V. Multizonal lens with extended depth of focus
US20090062911A1 (en) * 2007-08-27 2009-03-05 Amo Groningen Bv Multizonal lens with extended depth of focus
ATE523810T1 (de) * 2008-02-15 2011-09-15 Amo Regional Holdings System, brillenglas und verfahren zur erweiterung der fokustiefe
US8439498B2 (en) 2008-02-21 2013-05-14 Abbott Medical Optics Inc. Toric intraocular lens with modified power characteristics
SG10201506615RA (en) 2008-04-18 2015-10-29 Holden Brien Vision Inst Myopia control means
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
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
US8734511B2 (en) * 2008-10-20 2014-05-27 Amo Groningen, B.V. Multifocal intraocular lens
MX2011006600A (es) * 2008-12-19 2011-06-30 Novartis Ag Coreccion de desenfoque periferico de un ojo y control del desarrollo del error de refraccion.
US8216307B2 (en) * 2008-12-19 2012-07-10 Novartis Ag Radially segmented apodized diffractive multifocal design for ocular implant
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
JP4551489B2 (ja) * 2009-01-06 2010-09-29 株式会社メニコン 回折レンズの製造方法
NZ594697A (en) 2009-02-12 2014-02-28 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
AU2010313599B2 (en) * 2009-10-26 2015-08-13 Alcon Inc. Phase-shifted center-distance diffractive design for ocular implant
CA2784782C (en) 2009-12-18 2018-02-27 Hendrik A. Weeber Limited echelette lens, systems and methods
US9039762B2 (en) * 2010-03-23 2015-05-26 Novartis Ag Accommodating intraocular lens using trapezoidal phase shift
EP2591026B1 (en) 2010-07-05 2016-05-04 Dave, Jagrat Natavar Refractive-diffractive ophthalmic device and compositions useful for producing same
EP3330776A1 (en) 2010-12-01 2018-06-06 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
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
WO2013118176A1 (ja) * 2012-02-09 2013-08-15 株式会社メニコン 回折型多焦点眼用レンズとその製造方法
EP2890287B1 (en) 2012-08-31 2020-10-14 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
WO2014111831A1 (en) 2013-01-15 2014-07-24 Dave, Jagrat Natavar Toric-diffractive lens
US9561098B2 (en) 2013-03-11 2017-02-07 Abbott Medical Optics Inc. Intraocular lens that matches an image surface to a retinal shape, and method of designing same
WO2015136380A2 (en) 2014-03-10 2015-09-17 Amo Groningen B.V. Piggyback 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
EP3173050B1 (en) * 2014-07-25 2020-02-19 Musashino Lens Research, Inc. Phakic intraocular lens
US10295841B2 (en) 2014-08-08 2019-05-21 Menicon Co., Ltd. Method for manufacturing diffractive multi-focal ophthalmic lens and diffractive multi-focal ophthalmic lens
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
HUE038672T2 (hu) * 2015-10-02 2018-11-28 Rayner Intraocular Lenses Ltd Multifokális lencse és eljárás annak elõállítására
EP3413840A1 (en) 2016-02-09 2018-12-19 AMO Groningen B.V. Progressive power intraocular lens, and methods of use and manufacture
EP3426191B1 (en) 2016-03-11 2024-09-11 Amo Groningen B.V. Intraocular lenses that improve peripheral vision
US11123178B2 (en) 2016-03-23 2021-09-21 Johnson & Johnson Surgical Vision, Inc. Power calculator for an ophthalmic apparatus with corrective meridians having extended tolerance or operation band
AU2017238517B2 (en) 2016-03-23 2021-11-11 Johnson & Johnson Surgical Vision, Inc. Ophthalmic apparatus with corrective meridians having extended tolerance band
US11096778B2 (en) 2016-04-19 2021-08-24 Amo Groningen B.V. Ophthalmic devices, system and methods that improve peripheral vision
WO2018078439A2 (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
EP3595584A1 (en) 2017-03-17 2020-01-22 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
EP3639084B1 (en) 2017-06-28 2025-01-01 Amo Groningen B.V. Extended range and related intraocular lenses for presbyopia treatment
EP4487816A3 (en) 2017-06-28 2025-03-12 Amo Groningen B.V. Diffractive lenses 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
WO2019106067A1 (en) 2017-11-30 2019-06-06 Amo Groningen B.V. Intraocular lenses that improve post-surgical spectacle independent and methods of manufacturing thereof
ES2913639T3 (es) 2017-12-28 2022-06-03 Medicontur Orvostechnikai Kft Lente oftálmica artificial trifocal y método para su producción
GB2576212B (en) * 2018-08-10 2021-12-29 X Fab Semiconductor Foundries Gmbh Improvements in lens layers for semiconductor devices
US12204178B2 (en) 2018-12-06 2025-01-21 Amo Groningen B.V. Diffractive lenses for presbyopia treatment
US11106056B2 (en) 2019-03-28 2021-08-31 Aizhong Zhang Subzonal multifocal diffractive lens
JP2022536702A (ja) 2019-06-13 2022-08-18 ジー・オプティクス・インコーポレイテッド 高精細および焦点深度拡張型の眼内レンズ
US11886046B2 (en) 2019-12-30 2024-01-30 Amo Groningen B.V. Multi-region refractive lenses for vision treatment
CA3166308A1 (en) 2019-12-30 2021-07-08 Amo Groningen B.V. Lenses having diffractive profiles with irregular width for vision treatment
EP4333685B1 (en) 2021-05-05 2026-01-14 AMO Groningen B.V. Ring halometer system and method for quantifying dysphotopsias
WO2022263994A1 (en) 2021-06-14 2022-12-22 Alcon Inc. Multifocal diffractive silicone hydrogel contact lenses
US12544218B2 (en) 2021-12-03 2026-02-10 Amo Groningen B.V. Lenses having multi-ring design for vision treatment
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
US20240399686A1 (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
US4338005A (en) 1978-12-18 1982-07-06 Cohen Allen L Multifocal phase place
US4340283A (en) * 1978-12-18 1982-07-20 Cohen Allen L Phase shift multifocal zone plate
EP0107444B1 (en) * 1982-10-13 1990-06-27 N.G. Trustees And Nominees Limited Bifocal contact lenses
US4881804A (en) * 1987-11-12 1989-11-21 Cohen Allen L Multifocal phase plate with a pure refractive portion
US4881805A (en) * 1987-11-12 1989-11-21 Cohen Allen L Progressive intensity phase bifocal
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
KR100215166B1 (ko) 1999-08-16
EP0393639A2 (en) 1990-10-24
DK0393639T3 (da) 1996-02-19
ES2081869T3 (es) 1996-03-16
EP0393639B1 (en) 1996-01-31
CA2014754A1 (en) 1990-10-19
ZA902918B (en) 1991-05-29
US5121980A (en) 1992-06-16
EP0393639A3 (en) 1991-10-23
NO901744D0 (no) 1990-04-19
CN1023259C (zh) 1993-12-22
IE901372L (en) 1990-10-19
JPH0362001A (ja) 1991-03-18
IL94136A0 (en) 1991-01-31
DE69025085D1 (de) 1996-03-14
GR3019599T3 (en) 1996-07-31
KR900016784A (ko) 1990-11-14
CN1047925A (zh) 1990-12-19
NO901744L (no) 1990-10-22
CA2014754C (en) 1998-12-29
IE901372A1 (en) 1991-02-13
DE69025085T2 (de) 1996-05-30
TW228574B (2) 1994-08-21
IL94136A (en) 1994-10-07
AU638451B2 (en) 1993-07-01
JP2768801B2 (ja) 1998-06-25
IE74683B1 (en) 1997-07-30
ATE133794T1 (de) 1996-02-15
AU5367590A (en) 1990-10-25

Similar Documents

Publication Publication Date Title
NO300047B1 (no) Multifokal optisk innretning med liten åpning
EP0367878B1 (en) Multifocals using phase shifting steps
EP3415980B1 (en) Diffractive multifocal lens for eye and method for manufacturing diffractive multifocal lens for eye
RU2416812C2 (ru) Псевдоаккомодационные интраокулярные линзы с изменяющимися областями дифракционных зон
JP6698671B2 (ja) 回折型多焦点眼用レンズおよび回折型多焦点眼用レンズの製造方法
KR0158673B1 (ko) 안과용 다초점 렌즈
JP2849097B2 (ja) 多焦点回折光学素子及び目のコンタクトレンズ
RU2418311C2 (ru) Псевдоаккомодационные интраокулярные линзы с множеством дифракционных структур
KR0133919B1 (ko) 회절성 다초점 광학성분
CN114651203B (zh) 眼用多焦点镜片
KR20080023297A (ko) 비구면 회절렌즈
CN108938144B (zh) 一种平滑位相的衍射多焦点人工晶状体
KR20060039863A (ko) 시력교정용 이중초점 다차원 회절렌즈
NO179629B (no) Multifokale öyenlinser
WO2022039682A1 (en) A zonal diffractive ocular lens
WO2022039683A1 (en) A zonal diffractive ocular lens
RU2804912C1 (ru) Офтальмологическая мультифокальная линза и способ ее изготовления
IE68759B1 (en) Multifocals using phase shifting steps
AU2007219322B2 (en) Bifocal multiorder diffractive lenses for vision correction
WO2024144490A1 (en) A synergistic pair of multifocal diffractive ocular lenses
TR2023001835T2 (tr) Bölgesel di̇frakti̇f göz lensi̇

Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN OCTOBER 2003