US20060004446A1 - Intraocular lens implant - Google Patents

Intraocular lens implant Download PDF

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Publication number
US20060004446A1
US20060004446A1 US11221532 US22153205A US2006004446A1 US 20060004446 A1 US20060004446 A1 US 20060004446A1 US 11221532 US11221532 US 11221532 US 22153205 A US22153205 A US 22153205A US 2006004446 A1 US2006004446 A1 US 2006004446A1
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US
Grant status
Application
Patent type
Prior art keywords
lens
sealed
implant
intraocular lens
implant according
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.)
Abandoned
Application number
US11221532
Inventor
Eli Aharoni
Gideon Dotan
Yossi Gross
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.)
Visioncare Inc
Original Assignee
Visioncare Ophthalmic Tech 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

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02Prostheses implantable into the body
    • A61F2/14Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16Intraocular lenses
    • A61F2/1613Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1648Multipart lenses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0014Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis
    • A61F2250/0053Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in optical properties
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0065Additional features; Implant or prostheses properties not otherwise provided for telescopic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F2250/00Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2250/0058Additional features; Implant or prostheses properties not otherwise provided for
    • A61F2250/0069Sealing means

Abstract

An intraocular lens implant particularly suitable for use by patients suffering from tunnel vision, the implant includes a sealed implant housing associated with mounting haptics and defining a forward end and a rearward end, at least one negative lens arranged adjacent the forward end and at least one positive lens arranged rearwardly of the at least one negative lens.

Description

    FIELD OF THE INVENTION
  • The present invention relates to optical implants generally and more particularly to intraocular lens implants for patients suffering from tunnel vision.
  • BACKGROUND OF THE INVENTION
  • The following U.S. Pat. Nos. of the inventor are believed to represent the current state of the art:
  • 5,814,103; 5,876,442; 5,928,283; 6,007,579 and 6,066,171.
  • SUMMARY OF THE INVENTION
  • The present invention seeks to provide an optical implant suitable for alleviating the tunnel vision symptom characteristic of glaucoma and retinosis pigmentosa.
  • There is thus provided in accordance with a preferred embodiment of the present invention an intraocular lens implant particularly suitable for use by patients suffering from tunnel vision. The implant includes a sealed implant housing associated with mounting haptics and defining a forward end and a rearward end, at least one negative lens arranged adjacent the forward end and at least one positive lens arranged rearwardly of the negative lens.
  • Further in accordance with a preferred embodiment of the present invention the positive lens forms a rearward window of the sealed implant housing.
  • Additionally in accordance with a preferred embodiment of the present invention at least one air gap is defined within the sealed implant housing. Preferably, two air gaps are provided and include a first air gap disposed between the negative lens and the forward end of the sealed implant housing and a second air gap disposed between the negative lens and the positive lens.
  • Still further in accordance with a preferred embodiment of the present invention the positive lens includes first and second positive lenses, which contact each other at a contact location.
  • Preferably, an air gap is defined between portions of the first and second positive lenses surrounding the contact location.
  • Further in accordance with a preferred embodiment of the present invention, the intraocular lens implant also includes a resilient element disposed within the sealed implant housing in operative engagement with the first and second positive lenses, thereby urging the first and second positive lenses into contact at the contact location.
  • Still further in accordance with a preferred embodiment of the present invention the sealed housing includes a glass housing, which is sealed by glass laser welding.
  • Additionally in accordance with a preferred embodiment of the present invention the surfaces of the positive lens and the negative lens, which lie within the sealed housing, are coated with optical coatings.
  • Preferably, the negative lens and the positive lens include at least one of refractive and diffractive optical elements.
  • Further in accordance with a preferred embodiment of the present invention the intraocular lens implant is in operative association with at least one negative lens disposed outside an eye in which the implant is located.
  • Preferably, the sealed implant housing includes a generally annular element, which is sealed to a window at the forward end.
  • Further in accordance with a preferred embodiment of the present invention the sealed implant housing includes first and second generally cylindrical portions sealed together in a nesting arrangement, thereby defining a shoulder.
  • Still further in accordance with a preferred embodiment of the present invention the first positive lens is sealed to one of the first and second cylindrical portions at the rearward end to define a rearward window.
  • Additionally in accordance with a preferred embodiment of the present invention the first positive lens defines a rearward window of the sealed implant housing.
  • Further in accordance with a preferred embodiment of the present invention the negative lens and the second positive lens define a doublet having an air gap therebetween.
  • Preferably, the negative lens and the second positive lens define a doublet having an air gap therebetween and are fixed to each other.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention will be understood and appreciated more fully from the following detailed description, taken in conjunction with the drawings in which:
  • FIG. 1 is a simplified illustration of a field of view widening telescopic implant implanted in the eye of a wearer wearing contact lenses;
  • FIG. 2 is a simplified illustration of a field of view widening telescopic implant implanted in the eye of a wearer not wearing glasses or contact lenses;
  • FIG. 3 is a simplified illustration of a field of view widening telescopic implant implanted in the eye of a wearer wearing glasses; and
  • FIG. 4 is a simplified sectional illustration of a field of view widening telescopic implant constructed and operative in accordance with a preferred embodiment of the present invention.
  • DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT
  • Reference is now made to FIG. 1, which is a simplified illustration of a field to view widening telescopic implant 10 implanted in the eye of a wearer wearing a contact lens 12. It is seen that both the contact lens 12 and the implant 10 cooperate to widen the field of view of the user.
  • Reference is now made to FIG. 2, which is a simplified illustration of a field of view widening telescopic implant 16 implanted in the eye of a wearer not wearing glasses or contact lenses. Here the implant 16 is operative to widen the field of view of the user.
  • Reference is now made to FIG. 3, which is a simplified illustration of a field of view widening telescopic implant 20 implanted in the eye of a wearer wearing glasses 22. It is seen that both the glasses 22 and the implant 20 cooperate to widen the field of view of the user.
  • Reference is now made to FIG. 4, which is a simplified sectional illustration of a field of view widening telescopic implant constructed and operative in accordance with a preferred embodiment of the present invention. The embodiment of Fig. 4 can be employed in any of the operational contexts shown in FIGS. 1-3 with suitable selection of lenses. As seen in FIG. 4, the implant preferably comprises an implant body 100, which is supported by haptics 102 via a haptic mounting structure 104. The implant body 100 typically comprises mutually sealed forward and rearward cylindrical housing portions 106 and 108 respectively and a transparent forward window 11O sealing the forward cylindrical portion 106.
  • Typically, the implant body 100 is formed of glass housing portions, which are sealed by glass laser welding.
  • Disposed rearwardly of the forward window 110 in forward cylindrical portion 106 is a negative lens 112. Fixed to negative lens 112 as a doublet is a magnificationl lens 114, which resides partially in the forward cylindrical housing portion 106 and partially in the rearward cylindrical housing portion 108. Disposed rearwvardly of the magnification lens 114 is a positive lens 116, which is mounted in sealing engagement with the rearward cylindrical housing portion 108 of implant body 100 and defines a rearward facing window.
  • Preferably, the negative lens 112 and the positive lens 116 include refractive and diffractive optical elements.
  • Typically, the negative lens 112 and the positive lens 116 are coated with optical coatings.
  • It is an important feature of the present invention that the interior of the implant body 100 is sealed from the exterior thereof, so as to prevent liquids or vapors from entering the implant. It is also an important feature of the present invention that three air gaps, designated by reference numerals 120, 122 and 124, are provided to enhance refraction. The precision of the location of a contact point 126 between lenses 114 and 116 and of a peripheral contact area 128 between lenses 112 and 114 relative to an axis 130 is also of importance to maintain desired focus.
  • In accordance with a preferred embodiment of the present invention, a resilient 0-ring 132 or other element having a similar function is provided to urge and retain lenses 114 and 116 in touching engagement at contact point 126.
  • Alternatively, the implant body may be formed of a single cylinder or of any suitable number of cylindrical portions. Furthermore, any suitable combination of any suitable number of lenses may be employed. Preferably, the haptics 102 are formed of a suitable polymer, the implant body 100 is formed of biocompatible glass and the forward window 110 and the lens 116 are formed of glass and are laser welded in sealing engagement with body 100.
  • It will be appreciated by persons skilled in the art that the present invention is not limited by what has been particularly shown and described hereinabove. Rather the scope of the present invention includes both combinations and subcombinations of the various features described hereinabove as well as variations and modifications which would occur to persons skilled in the art upon reading the specification and which are not in the prior art.

Claims (20)

  1. 1. An intraocular lens implant particularly suitable for use by patients suffering from tunnel vision, said implant comprising:
    a sealed implant housing associated with mounting haptics and defining a forward end and a rearward end;
    at least one negative lens arranged adjacent said forward end; and
    at least one positive lens arranged rearwardly of said at least one negative lens.
  2. 2. An intraocular lens implant according to claim 1 and wherein said at least one positive lens forms a rearward window of said sealed implant housing.
  3. 3. An intraocular lens implant according to claim 1 and wherein at least one air gap is defined within said sealed implant housing.
  4. 4. An intraocular lens implant according to claim 3 and wherein said at least one air cap comprises:
    a first air gap disposed between said at least one negative lens and said forward end of said sealed implant housing;
    a second air gap disposed between said at least one negative lens and said at least one positive lens.
  5. 5. An intraocular lens implant according to claim 1 and wherein said at least one positive lens comprises first and second positive lenses which contact each other at a contact location.
  6. 6. An intraocular lens implant according to claim 5 and wherein at least one air gap is defined between portions of said first and second positive lenses surrounding said contact location.
  7. 7. An intraocular lens implant according to claim 5 and also comprising a resilient element disposed within said sealed implant housing in operative engagement with said first and second positive lenses, thereby to urge said first and second positive lenses into contact at said contact location.
  8. 8. An intraocular lens implant according to claim 1 and wherein said sealed housing comprises a glass housing which is sealed by glass laser welding.
  9. 9. An intraocular lens implant according to claim 1 and wherein surfaces of said at least one positive lens and of said at least one negative lens which lie within said sealed housing are coated with optical coatings.
  10. 10. An intraocular lens implant according to claim 1 and wherein said at least one negative lens and said at least one positive lens include at least one of refractive and diffractive optical elements.
  11. 11. An intraocular lens implant according to claim 1 and being operative in association with at least one negative lens disposed outside an eye in which the implant is located.
  12. 12. An intraocular lens implant according to claim 1 and wherein said sealed implant housing comprises a generally annular element which is sealed to a window at said forward end.
  13. 13. An intraocular lens implant according to claim 12 and wherein said sealed implant housing includes first and second generally cylindrical portions sealed together in a nesting arrangement thereby defining a shoulder.
  14. 14. An intraocular lens implant according to claim 13 and wherein said at least one positive lens comprises first and second positive lenses which contact each other at a contact location.
  15. 15. An intraocular lens implant according to claim 14 and wherein at least one air gap is defined between portions of said first and second positive lenses surrounding said contact location.
  16. 16. An intraocular lens implant according to claim 14 and also comprising a resilient element disposed within said sealed implant housing in operative engagement with said first and second positive lenses, thereby to urge said first and second positive lenses into contact at said contact location.
  17. 17. An intraocular lens implant according to claim 14 and wherein said first positive lens is sealed to one of said first and second cylindrical portions at said rearward end to define a rearward window.
  18. 18. An intraocular lens implant according to claim 5 and wherein said first positive lens defines a rearward window of said sealed implant housing.
  19. 19. An intraocular lens implant according to claim 5 and wherein said at least one negative lens and said second positive lens define a doublet having an air gap therebetween.
  20. 20. An intraocular lens implant according to claim 13 and wherein said at least one negative lens and said second positive lens define a doublet having an air gap therebetween and are fixed to each other.
US11221532 2003-01-14 2005-09-07 Intraocular lens implant Abandoned US20060004446A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US10342160 US6972032B2 (en) 2003-01-14 2003-01-14 Intraocular lens implant
US11221532 US20060004446A1 (en) 2003-01-14 2005-09-07 Intraocular lens implant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11221532 US20060004446A1 (en) 2003-01-14 2005-09-07 Intraocular lens implant

Related Parent Applications (1)

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US10342160 Continuation US6972032B2 (en) 2003-01-14 2003-01-14 Intraocular lens implant

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US20060004446A1 true true US20060004446A1 (en) 2006-01-05

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US10342160 Active US6972032B2 (en) 2003-01-14 2003-01-14 Intraocular lens implant
US11221532 Abandoned US20060004446A1 (en) 2003-01-14 2005-09-07 Intraocular lens implant

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US10342160 Active US6972032B2 (en) 2003-01-14 2003-01-14 Intraocular lens implant

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US (2) US6972032B2 (en)
EP (1) EP1438930B1 (en)
JP (1) JP4405818B2 (en)
CA (1) CA2455076C (en)
ES (1) ES2372935T3 (en)

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US20060244906A1 (en) * 2002-11-29 2006-11-02 Advanced Medical Optics, Inc. Multifocal ophthalmic lens
US20070276483A1 (en) * 2006-05-25 2007-11-29 Visioncare Ophthalmic Technologies Inc. Double insertion intraocular implant
US20110051080A1 (en) * 2004-10-25 2011-03-03 Abbott Medical Optics Inc. Ophthalmic lens with multiple phase plates
US9335563B2 (en) 2012-08-31 2016-05-10 Amo Groningen B.V. Multi-ring lens, systems and methods for extended depth of focus
US9675445B2 (en) 2009-05-27 2017-06-13 See Again Europe Limited Intraocular lens systems and methods

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US7001427B2 (en) 2002-12-17 2006-02-21 Visioncare Ophthalmic Technologies, Inc. Intraocular implants
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US7842086B2 (en) 2005-01-07 2010-11-30 Visioncare Ophthalmic Technologies, Inc. Mirror implant
US8137399B2 (en) * 2005-04-11 2012-03-20 Vision Solutions Technologies, Inc. Implantable prismatic device, and related methods and systems
US20070027541A1 (en) * 2005-07-26 2007-02-01 Visioncare Ophthalmic Technologies Inc. Intraocular devices and methods for implantation thereof
US8088161B2 (en) * 2005-07-28 2012-01-03 Visioncare Ophthalmic Technologies Inc. Compressed haptics
KR100807940B1 (en) * 2007-03-08 2008-02-28 박경진 Intraocular lens
US20100145445A1 (en) * 2008-12-10 2010-06-10 Visioncare Opthalmic Technologies Inc. Anti-glare solutions for intraocular implants
US9095424B2 (en) 2012-01-24 2015-08-04 Clarvista Medical, Inc. Modular intraocular lens designs and methods
US10080648B2 (en) 2012-01-24 2018-09-25 Clarvista Medical, Inc. Modular intraocular lens designs, tools and methods
US10028824B2 (en) 2012-01-24 2018-07-24 Clarvista Medical, Inc. Modular intraocular lens designs, tools and methods
US9364316B1 (en) 2012-01-24 2016-06-14 Clarvista Medical, Inc. Modular intraocular lens designs, tools and methods
US8900300B1 (en) 2012-02-22 2014-12-02 Omega Ophthalmics Llc Prosthetic capsular bag and method of inserting the same
DE102012106653A1 (en) * 2012-07-23 2014-01-23 Karlsruher Institut für Technologie Wide-angle lens for Ophthalmic implants
EP3157466A4 (en) 2014-06-19 2017-12-27 Omega Ophthalmics LLC Prostheticcapsular devices, systems, and methods
US9358103B1 (en) 2015-02-10 2016-06-07 Omega Ophthalmics Llc Prosthetic capsular devices, systems, and methods
US9993336B2 (en) 2016-06-06 2018-06-12 Omega Ophthalmics Llc Prosthetic capsular devices, systems, and methods
WO2018075932A1 (en) 2016-10-21 2018-04-26 Omega Ophthalmics Llc Prosthetic capsular devices, systems, and methods

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CA2455076A1 (en) 2004-07-14 application
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US6972032B2 (en) 2005-12-06 grant
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US20040138746A1 (en) 2004-07-15 application

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