AU676855B2 - Pupil-tuned multifocal ophthalmic lens - Google Patents

Pupil-tuned multifocal ophthalmic lens Download PDF

Info

Publication number
AU676855B2
AU676855B2 AU51837/93A AU5183793A AU676855B2 AU 676855 B2 AU676855 B2 AU 676855B2 AU 51837/93 A AU51837/93 A AU 51837/93A AU 5183793 A AU5183793 A AU 5183793A AU 676855 B2 AU676855 B2 AU 676855B2
Authority
AU
Australia
Prior art keywords
optical power
lens
distance
annular
illumination
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
Application number
AU51837/93A
Other languages
English (en)
Other versions
AU5183793A (en
Inventor
Michel Guillon
Timothy R. Poling
Jeffrey H. Roffman
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Products Inc
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 Johnson and Johnson Vision Products Inc filed Critical Johnson and Johnson Vision Products Inc
Publication of AU5183793A publication Critical patent/AU5183793A/en
Application granted granted Critical
Publication of AU676855B2 publication Critical patent/AU676855B2/en
Anticipated expiration legal-status Critical
Expired 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
    • G02C7/04—Contact lenses for the eyes
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • 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
    • 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)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)
  • Lenses (AREA)
AU51837/93A 1992-12-09 1993-11-19 Pupil-tuned multifocal ophthalmic lens Expired AU676855B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/988,088 US5448312A (en) 1992-12-09 1992-12-09 Pupil-tuned multifocal ophthalmic lens
US988088 1992-12-09

Publications (2)

Publication Number Publication Date
AU5183793A AU5183793A (en) 1994-06-23
AU676855B2 true AU676855B2 (en) 1997-03-27

Family

ID=25533848

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51837/93A Expired AU676855B2 (en) 1992-12-09 1993-11-19 Pupil-tuned multifocal ophthalmic lens

Country Status (24)

Country Link
US (1) US5448312A (enExample)
EP (1) EP0601846B1 (enExample)
JP (1) JP3509908B2 (enExample)
KR (1) KR100250843B1 (enExample)
CN (1) CN1084609C (enExample)
AT (1) ATE168476T1 (enExample)
AU (1) AU676855B2 (enExample)
BR (1) BR9304981A (enExample)
CA (1) CA2110844C (enExample)
CZ (1) CZ268093A3 (enExample)
DE (1) DE69319701T2 (enExample)
ES (1) ES2118911T3 (enExample)
FI (1) FI935486A7 (enExample)
GR (1) GR1002075B (enExample)
HU (1) HUT65866A (enExample)
IL (1) IL107604A (enExample)
MX (1) MX9307764A (enExample)
NO (1) NO934482L (enExample)
NZ (1) NZ250358A (enExample)
PH (1) PH30187A (enExample)
SG (1) SG160184A1 (enExample)
TW (1) TW275113B (enExample)
UY (1) UY23681A1 (enExample)
ZA (1) ZA939212B (enExample)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404183A (en) * 1993-03-31 1995-04-04 Seidner; Leonard Multifocal contact lens and method for preparing
US5650837A (en) * 1995-05-04 1997-07-22 Johnson & Johnson Vision Products, Inc. Rotationally stable contact lens designs
US5684560A (en) * 1995-05-04 1997-11-04 Johnson & Johnson Vision Products, Inc. Concentric ring single vision lens designs
US5715031A (en) * 1995-05-04 1998-02-03 Johnson & Johnson Vision Products, Inc. Concentric aspheric multifocal lens designs
IL118065A0 (en) * 1995-05-04 1996-08-04 Johnson & Johnson Vision Prod Aspheric toric lens designs
US5929969A (en) * 1995-05-04 1999-07-27 Johnson & Johnson Vision Products, Inc. Multifocal ophthalmic lens
US5652638A (en) * 1995-05-04 1997-07-29 Johnson & Johnson Vision Products, Inc. Concentric annular ring lens designs for astigmatism
US5682223A (en) * 1995-05-04 1997-10-28 Johnson & Johnson Vision Products, Inc. Multifocal lens designs with intermediate optical powers
IL117937A0 (en) * 1995-05-04 1996-08-04 Johnson & Johnson Vision Prod Combined multifocal toric lens designs
IL117935A0 (en) * 1995-05-04 1996-08-04 Johnson & Johnson Vision Prod Multifocal ophthalmic lens
HUP9601126A3 (en) * 1995-05-04 1999-10-28 Johnson & Johnson Vision Prod Concentric, aspheric, multifocal lens
AU5194896A (en) * 1995-05-04 1996-11-14 Johnson & Johnson Vision Products, Inc. Concentric annular ring lens designs with minimal angles between adjacent annular ring segments
US5835192A (en) * 1995-12-21 1998-11-10 Johnson & Johnson Vision Products, Inc. Contact lenses and method of fitting contact lenses
US5724258A (en) * 1996-05-09 1998-03-03 Johnson & Johnson Vision Products, Inc. Neural network analysis for multifocal contact lens design
US5847803A (en) * 1996-09-17 1998-12-08 Innotech, Inc. Optic incorporating a power gradient
US6176580B1 (en) 1999-04-02 2001-01-23 Johnson & Johnson Vision Care, Inc. Method of designing and fitting contact lenses taking into account material properties of the lenses
WO2000060403A1 (en) * 1999-04-02 2000-10-12 Johnson & Johnson Vision Care, Inc. Multifocal lens designs with front surface and back surface optical powers
US6196685B1 (en) 1999-04-02 2001-03-06 Johnson & Johnson Vision Care, Inc. Method of designing and fitting multifocal lenses taking into account material properties of the lenses
US20060238702A1 (en) 1999-04-30 2006-10-26 Advanced Medical Optics, Inc. Ophthalmic lens combinations
US6619799B1 (en) 1999-07-02 2003-09-16 E-Vision, Llc Optical lens system with electro-active lens having alterably different focal lengths
US6511178B1 (en) * 1999-07-19 2003-01-28 Johnson & Johnson Vision Care, Inc. Multifocal ophthalmic lenses and processes for their production
US6250757B1 (en) 1999-12-15 2001-06-26 Johnson & Johnson Vision Products, Inc. Hybrid refractive birefringent multifocal ophthalmic lenses
US6364483B1 (en) 2000-02-22 2002-04-02 Holo Or Ltd. Simultaneous multifocal contact lens and method of utilizing same for treating visual disorders
US6474814B1 (en) 2000-09-08 2002-11-05 Florida Optical Engineering, Inc Multifocal ophthalmic lens with induced aperture
US6554425B1 (en) 2000-10-17 2003-04-29 Johnson & Johnson Vision Care, Inc. Ophthalmic lenses for high order aberration correction and processes for production of the lenses
US6813082B2 (en) 2000-11-27 2004-11-02 Ophthonix, Inc. Wavefront aberrator and method of manufacturing
US7293871B2 (en) * 2000-11-27 2007-11-13 Ophthonix, Inc. Apparatus and method of correcting higher-order aberrations of the human eye
AUPR276601A0 (en) * 2001-01-31 2001-02-22 Newman, Steve A contact lens for refractive correction and capable of engagement with an eye either inside out or right way out
US7217375B2 (en) * 2001-06-04 2007-05-15 Ophthonix, Inc. Apparatus and method of fabricating a compensating element for wavefront correction using spatially localized curing of resin mixtures
US6520638B1 (en) * 2001-08-14 2003-02-18 Johnson & Johnson Vision Care, Inc. Methods for designing multifocal ophthalmic lenses
US6682195B2 (en) * 2001-10-25 2004-01-27 Ophthonix, Inc. Custom eyeglass manufacturing method
US7434931B2 (en) 2001-10-25 2008-10-14 Ophthonix Custom eyeglass manufacturing method
US6712466B2 (en) 2001-10-25 2004-03-30 Ophthonix, Inc. Eyeglass manufacturing method using variable index layer
US6755524B2 (en) * 2001-12-12 2004-06-29 Inray Ltd. Ophthalmic optical elements and methods for the design thereof
DE10236769A1 (de) * 2002-08-10 2004-02-19 Robert Bosch Gmbh Vorrichtung zur Aufnahme physiologischer Daten wenigstens einer Person in einem Fahrzeug
AU2003263085A1 (en) * 2002-09-06 2004-03-29 Quarter Lambda Technologies, Inc. Hybrid contact lens system and method
US7322694B2 (en) 2002-09-06 2008-01-29 Synergeyes, Inc. Hybrid contact lens system and method
US7163292B2 (en) * 2002-09-06 2007-01-16 Synergeyes, Inc. Hybrid contact lens system and method
US7104648B2 (en) * 2002-09-06 2006-09-12 Synergeyes, Inc. Hybrid contact lens system and method
SE0203564D0 (sv) 2002-11-29 2002-11-29 Pharmacia Groningen Bv Multifocal opthalmic lens
US7896916B2 (en) * 2002-11-29 2011-03-01 Amo Groningen B.V. Multifocal ophthalmic lens
US7662180B2 (en) 2002-12-05 2010-02-16 Abbott Medical Optics Inc. Accommodating intraocular lens and method of manufacture thereof
US7434936B2 (en) * 2002-12-06 2008-10-14 Amo Manufacturing Usa, Llc Residual accommodation threshold for correction of presbyopia and other presbyopia correction using patient data
US20040141150A1 (en) * 2003-01-21 2004-07-22 Roffman Jeffrey H. Hybrid multifocal contact lenses
US6951391B2 (en) * 2003-06-16 2005-10-04 Apollo Optical Systems Llc Bifocal multiorder diffractive lenses for vision correction
US7018039B2 (en) * 2003-11-14 2006-03-28 Synergeyes,Inc. Contact lens
GB0329507D0 (en) 2003-12-19 2004-01-28 Guillon Michel Contect lens
US20050260388A1 (en) * 2004-05-21 2005-11-24 Lai Shui T Apparatus and method of fabricating an ophthalmic lens for wavefront correction using spatially localized curing of photo-polymerization materials
GB2430047B (en) * 2004-07-01 2009-01-28 Auckland Uniservices Ltd Method of manufacturing a contact lens system for correcting myopic vision
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
WO2006023871A2 (en) * 2004-08-24 2006-03-02 Vision Membrane Technologies, Inc. Foldable intraocular lens with adaptable haptics
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
EP1805551B1 (en) * 2004-10-25 2017-06-21 Abbott Medical Optics Inc. Ophthalmic lens with multiple phase plates
US7401922B2 (en) * 2005-04-13 2008-07-22 Synergeyes, Inc. Method and apparatus for reducing or eliminating the progression of myopia
US7543936B2 (en) * 2005-05-06 2009-06-09 Synergeyes, Inc. Hybrid contact lens system and method of fitting
US9636213B2 (en) 2005-09-30 2017-05-02 Abbott Medical Optics Inc. Deformable intraocular lenses and lens systems
US7377637B2 (en) * 2005-10-11 2008-05-27 Synergeyes, Inc. Hybrid contact lens system and method of fitting
US7517084B2 (en) * 2006-05-08 2009-04-14 Johnson & Johnson Vision Care, Inc. Multifocal contact lens designs utilizing pupil apodization
US7537339B2 (en) * 2006-05-25 2009-05-26 Synergeyes, Inc. Hybrid contact lens system and method of fitting
US7503652B2 (en) 2006-06-29 2009-03-17 Johnson & Johnson Vision Care, Inc. Translating multifocal ophthalmic lenses
US20080074611A1 (en) * 2006-09-22 2008-03-27 Meyers William E Hybrid contact lens with improved resistance to flexure and method for designing the same
WO2008111856A1 (en) * 2007-03-09 2008-09-18 Auckland Uniservices Limited Contact lens and method
US7828432B2 (en) 2007-05-25 2010-11-09 Synergeyes, Inc. Hybrid contact lenses prepared with expansion controlled polymeric materials
US20090033864A1 (en) * 2007-07-30 2009-02-05 Shone Thomas R Multifocal contact lenses and methods for improving vision and for producing multifocal contact lenses
US20090088840A1 (en) * 2007-10-02 2009-04-02 Simpson Michael J Zonal diffractive multifocal intraocular lenses
US8057034B2 (en) * 2007-10-26 2011-11-15 Brien Holden Vision Institute Methods and apparatuses for enhancing peripheral vision
US8646908B2 (en) 2008-03-04 2014-02-11 Johnson & Johnson Vision Care, Inc. Rotationally stabilized contact lenses and methods for their design
US8034108B2 (en) 2008-03-28 2011-10-11 Abbott Medical Optics Inc. Intraocular lens having a haptic that includes a cap
US7753521B2 (en) * 2008-03-31 2010-07-13 Johnson & Johnson Vision Care, Inc. Lenses for the correction of presbyopia and methods of designing the lenses
WO2010151691A2 (en) 2009-06-26 2010-12-29 Abbott Medical Optics Inc. Accommodating intraocular lenses
WO2011017322A1 (en) 2009-08-03 2011-02-10 Abbott Medical Optics Inc. Intraocular lens for providing accomodative vision
WO2011107723A1 (en) * 2010-03-05 2011-09-09 John Trevor De Carle Multifocal lens
GB201100820D0 (en) 2011-01-18 2011-03-02 Guillon Michel Lenses
US9084674B2 (en) 2012-05-02 2015-07-21 Abbott Medical Optics Inc. Intraocular lens with shape changing capability to provide enhanced accomodation and visual acuity
US9827250B2 (en) 2012-07-31 2017-11-28 Johnson & Johnson Vision Care, Inc. Lens incorporating myopia control optics and muscarinic agents
EP2890287B1 (en) 2012-08-31 2020-10-14 Amo Groningen B.V. Multi-ring lens, systems and methods for extended depth of focus
US10061143B2 (en) * 2014-08-29 2018-08-28 Johnson & Johnson Vision Care, Inc. Multifocal lens design for preventing and/or slowing myopia progression
RU2642149C2 (ru) 2016-01-12 2018-01-24 Самсунг Электроникс Ко., Лтд. Составная линза и содержащая ее система отображения
US10426601B2 (en) 2016-02-09 2019-10-01 Amo Groningen B.V. Progressive power intraocular lens, and methods of use and manufacture
US11567346B2 (en) 2016-02-10 2023-01-31 Visioneering Technologies, Inc. Induced aperture lens and method
US11497599B2 (en) 2017-03-17 2022-11-15 Amo Groningen B.V. Diffractive intraocular lenses for extended range of vision
CN106990524B (zh) * 2017-05-12 2019-08-23 英华达（上海）科技有限公司 智能望远镜及其自动调整倍率的方法
US11523897B2 (en) 2017-06-23 2022-12-13 Amo Groningen B.V. Intraocular lenses for presbyopia treatment
EP3646110B1 (en) 2017-06-28 2024-11-27 Amo Groningen B.V. Methods for designing and manufacturing a diffractive intraocular lens
AU2018292030B2 (en) 2017-06-28 2024-02-08 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
AU2018330604A1 (en) 2017-09-11 2020-04-02 Amo Groningen B.V. Methods and apparatuses to increase intraocular lenses positional stability
CA3100676A1 (en) 2018-12-06 2020-06-11 Amo Groningen B.V. Diffractive lenses for presbyopia treatment
AU2020416055A1 (en) 2019-12-30 2022-08-25 Amo Groningen B.V. Lenses having diffractive profiles with irregular width for vision treatment
US12239529B2 (en) 2021-03-09 2025-03-04 Amo Groningen B.V. Refractive extended depth of focus intraocular lens, and methods of use and manufacture
CN113641007B (zh) * 2021-08-11 2022-06-10 江苏科技大学 一种多环多焦距单环内波浪形状的镜片

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704016A (en) * 1982-10-13 1987-11-03 N.G. Trustees & Nominees, Ltd. Bifocal contact lenses
US4890913A (en) * 1982-10-13 1990-01-02 Carle John T De Zoned multi-focal contact lens
US4923296A (en) * 1988-07-14 1990-05-08 Erickson Paul M Oriented simultaneous vision bifocal contact lenses or the like utilizing introaocular suppression of blur

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3246306A1 (de) * 1982-12-14 1984-06-14 Titmus Eurocon Kontaktlinsen Gmbh & Co Kg, 8750 Aschaffenburg Bifokallinse vom bivisuellen typ
US4580882A (en) * 1983-04-21 1986-04-08 Benjamin Nuchman Continuously variable contact lens
EP0201231A3 (en) * 1985-05-03 1989-07-12 THE COOPER COMPANIES, INC. (formerly called CooperVision, Inc.) Method of treating presbyopia with concentric bifocal contact lenses
US4752123A (en) * 1985-11-19 1988-06-21 University Optical Products Co. Concentric bifocal contact lens with two distance power regions
US5054905A (en) * 1987-11-12 1991-10-08 Cohen Allen L Progressive intensity phase bifocal
US5151723A (en) * 1989-04-11 1992-09-29 Akira Tajiri Multifocal contact lens
US5002382A (en) * 1989-12-07 1991-03-26 Leonard Seidner Multifocal corneal contact lenses
US5024517A (en) * 1989-12-07 1991-06-18 Leonard Seidner Monovision corneal contact lenses
AU7130391A (en) * 1990-03-08 1991-09-12 Breger, Joseph Laurence Multifocal simultaneous vision lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4704016A (en) * 1982-10-13 1987-11-03 N.G. Trustees & Nominees, Ltd. Bifocal contact lenses
US4890913A (en) * 1982-10-13 1990-01-02 Carle John T De Zoned multi-focal contact lens
US4923296A (en) * 1988-07-14 1990-05-08 Erickson Paul M Oriented simultaneous vision bifocal contact lenses or the like utilizing introaocular suppression of blur

Also Published As

Publication number Publication date
DE69319701D1 (de) 1998-08-20
CN1084609C (zh) 2002-05-15
NO934482D0 (no) 1993-12-08
NZ250358A (en) 1996-03-26
ZA939212B (en) 1995-06-08
TW275113B (enExample) 1996-05-01
MX9307764A (es) 1994-07-29
IL107604A0 (en) 1994-02-27
ATE168476T1 (de) 1998-08-15
EP0601846A1 (en) 1994-06-15
AU5183793A (en) 1994-06-23
NO934482L (no) 1994-06-10
JPH075399A (ja) 1995-01-10
ES2118911T3 (es) 1998-10-01
CZ268093A3 (en) 1996-02-14
CA2110844C (en) 2007-03-20
JP3509908B2 (ja) 2004-03-22
DE69319701T2 (de) 1999-02-04
GR1002075B (en) 1995-12-05
HUT65866A (en) 1994-07-28
CA2110844A1 (en) 1994-06-10
IL107604A (en) 1997-04-15
EP0601846B1 (en) 1998-07-15
KR940013471A (ko) 1994-07-15
KR100250843B1 (ko) 2000-06-01
HU9303320D0 (en) 1994-01-28
SG160184A1 (en) 2010-04-29
FI935486A7 (fi) 1994-06-10
US5448312A (en) 1995-09-05
CN1089826A (zh) 1994-07-27
GR930100462A (el) 1994-08-31
PH30187A (en) 1997-01-21
BR9304981A (pt) 1994-06-21
UY23681A1 (es) 1994-06-10
FI935486A0 (fi) 1993-12-08

Similar Documents

Publication Publication Date Title
AU676855B2 (en) Pupil-tuned multifocal ophthalmic lens
US5835192A (en) Contact lenses and method of fitting contact lenses
US5485228A (en) Multifocal ophthalmic lens pair
US5682223A (en) Multifocal lens designs with intermediate optical powers
CA2110847C (en) Multifocal ophthalmic lens pair
US5929969A (en) Multifocal ophthalmic lens
AU710350B2 (en) Combined multifocal toric lens designs
AU706878B2 (en) Concentric annular ring lens designs for astigmatic presbyopes
AU707422B2 (en) Aspheric toric lens designs
AU717501B2 (en) Multifocal ophthalmic lens
HK1003451A (en) Pupil-tuned multifocal ophthalmic lens
HK1056018A (en) Method for fitting concentric annular ring contact lenses for presbyopia
WO2000060403A1 (en) Multifocal lens designs with front surface and back surface optical powers
MXPA96001673A (en) Multifo oftalmico lens
MXPA96001679A (en) Multifocal lens designs with opticalintermed powers