US20030050696A1 - Lens for increased depth of focus - Google Patents

Lens for increased depth of focus Download PDF

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Publication number
US20030050696A1
US20030050696A1 US10/242,977 US24297702A US2003050696A1 US 20030050696 A1 US20030050696 A1 US 20030050696A1 US 24297702 A US24297702 A US 24297702A US 2003050696 A1 US2003050696 A1 US 2003050696A1
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lens
optic
lens according
rigid
near vision
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Abandoned
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US10/242,977
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J. Cumming
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Priority to US10/242,977 priority Critical patent/US20030050696A1/en
Publication of US20030050696A1 publication Critical patent/US20030050696A1/en
Priority to US10/800,274 priority patent/US20040243232A1/en
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    • 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
    • A61F2/1624Intraocular 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 having adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside
    • A61F2/1629Intraocular 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 having adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside for changing longitudinal position, i.e. along the visual axis when implanted
    • 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
    • A61F2002/1681Intraocular lenses having supporting structure for lens, e.g. haptics
    • A61F2002/1689Intraocular lenses having supporting structure for lens, e.g. haptics having plate-haptics
    • 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
    • A61F2002/16965Lens includes ultraviolet absorber
    • A61F2002/1699Additional features not otherwise provided for

Definitions

  • a natural human optic typically has a thickness of about 5.0 mm. Light rays entering the cornea and passing to the optic typically travel about 7.0 to 8.0 mm. Light rays pass from the optic in a cone of light with its apex at the retina. The natural lens provides only a limited degree of depth of focus with clear vision over a limited range of distances.
  • the present invention provides an optic which is only a fraction the thickness of the natural lens.
  • the lens of the invention may typically be 1.0 mm and may range from about 0.5 mm to 1.5 mm.
  • the distance from the cornea to the optic of the invention is about 7.0-8.0 mm, whereas with a natural lens, the light rays travel only about 3.5 mm from cornea to optic.
  • Light rays refracted by and exiting the optic define a cone of light much smaller in cross-sectional area than the natural lens, and therefore impinge on the retina in a smaller area.
  • the much smaller cone provides greatly increased depth of focus in comparison with a natural lens, and thus enables clear vision over a long range of distances.
  • the invention provides effective accommodation as between near and far vision, and a person is enabled to view accurately over a wide range of distances.
  • the optic is positioned much farther from the cornea than a natural lens, and this increase of distance minimizes the distance optical power change.
  • the further posterior the optic the higher the power of the optic and the less movement required for a given power change.
  • the lens according to the invention is rigid, the haptics being rigidly connected to the optic, and the lens is vaulted posteriorly.
  • the distance between the cornea and the optic is maximized and the distance of travel of light rays between cornea and optic is increased.
  • the rigid lens causes the optic to move with the periphery of the capsular bag in response to ciliary muscle changes, particularly for near vision.
  • FIG. 1 is a cross-sectional view of a frontal portion of a human eye with a lens according to the invention disposed therein;
  • FIG. 2 is a partial sectional view of an eye showing light rays entering the cornea and exiting the optic in a cone of light from a natural lens to the retina;
  • FIG. 3 is a view similar to that of FIG. 2, showing an optic according to the invention, and light rays exiting the optic in a cone of light of smaller size than with the natural lens of FIG. 2;
  • FIGS. 4 and 5 are sectional views taken respectively at line 4 - 4 and line 5 - 5 in FIG. 1, showing a capsular bag and haptic in relation to the ciliary muscle in near and far vision positions of the capsular bag and haptic;
  • FIG. 6 is a diagrammatic sectional view of the ciliary muscle and capsular bag showing in solid lines their near vision positions, and showing in broken lines their far vision positions;
  • FIG. 7 is an elevational view of a preferred embodiment of lens and haptic according to the invention.
  • FIG. 8 is a side elevational view of the lens of FIG. 7;
  • FIG. 9 is an elevational view of another preferred embodiment of lens according to the invention.
  • FIG. 10 is a side elevational view of the lens of FIG. 9.
  • the present invention provides substantially increased depth of focus, for effective near and far accurate vision by providing a thin optic which is only a fraction the thickness of a natural lens or a conventional artificial lens optic, and by providing a rigid lens adapted to be positioned posteriorly in the natural capsular bag.
  • FIG. 1 is a cross-sectional view of an eye 10 with a cornea 12 , with a lens 14 according to the invention disposed in the capsular bag 16 of the eye.
  • a natural lens 14 which refracts the rays to define a cone of light which impacts the retina.
  • FIG. 3 is a partial sectional view showing a thin optic 18 of the invention disposed substantially farther posteriorly than the natural lens 14 (or a conventional artificial lens) of 5 mm thickness (d 2 in FIG. 2).
  • the light rays passing from the cornea to the optic 18 must travel a distance of about 7.0 to 8.0 mm from the cornea to the optic, whereas with the natural lens 14 light rays travel only about 3.5 mm.
  • the light rays refracted by and exiting the optic 18 define a cone of light of much smaller cross-sectional area (FIG. 3A) impact the retina in a smaller area, in comparison with the much larger cone of light and its much larger cross section (FIGS. 2 and 2A).
  • An optic according to the invention may typically be 1.0 mm thick (d 1 in FIG. 3), and may range from about 0.5 to about 1.5 mm in thickness.
  • the much smaller cone of light provides greatly increased depth of focus, thus enabling clear vision over a long range of distances, in comparison with the much larger cone of light produced by the natural human lens or conventional artificial intraocular lens.
  • the much improved depth of focus provides effective accommodation or “pseudo accommodation”, as between near and far vision, so that a person is enabled to view accurately over a wide range of distances.
  • the increase of distance which light rays must travel between the cornea and the optic minimizes the distance optical power change—i.e., the further posterior the optic, the higher the power of the optic and the less movement required for significant power change.
  • the lens 14 according to the invention is rigid, with the haptics thereof rigidly connected with the optic.
  • the lens is vaulted posteriorly, as shown in FIGS. 1 and 8, in order to maximize the posterior positioning of the optic to increase the distance of travel of light rays between the cornea and the optic. Additional rigidity may be provided by rigid bars 20 secured along the edges of the lens (FIG. 7) or as shown in FIG. 9, a lens 22 may have rigid bars 24 disposed inwardly of the lens edges with arcuate portions extending about the optic, as shown.
  • the haptics are preferably flexible to enable folding for insertion of the lens into the human eye via a slot therein of relatively short length.
  • Lenses according to the invention may preferably embody upper and lower flexible loop portions 26 , 26 (FIG. 7) which extend oppositely to facilitate lens rotation during insertion into an eye, without interfering engagement with the capsular bag.
  • the outer peripheral equator portion of the capsular bag is moved in response to configurational changes in the ciliary muscle as between near and far vision, thereby causing the lens and its optic to move with the periphery of the capsular bag in response to such muscle changes, particularly with respect to near vision. That is, upon contraction of the ciliary muscle, anterior displacement of the capsular bag equator effects corresponding anterior movement of the optic.
  • the lens and optic are free to move anteriorly because of the relative stiffness of the anterior bag resulting from leather-like fibrosis or dead tissue arising from conventional surgical cutting to remove the anterior portion of the bag.
  • the lens is moved posteriorly only when the muscle acts thereon.
  • FIGS. 4, 5 and 6 are diagrammatic cross-sectional views of the ciliary muscle 28 of the eye in relation to the peripheral or equator portion of the capsular bag with the lens 14 of the invention therein.
  • FIG. 6 shows in broken lines the configuration 30 of the muscle 28 and the relative position of the haptic 14 , in a far vision position, and showing in solid lines 32 , the muscle configuration 30 and relative position of the haptic for near vision.
  • Muscle configuration indicated at 30 extends into vitreous cavity, thus increasing pressure to a limited degree to further aid in moving the lens anteriorly. Muscle constriction moves the rigid lens forward to a limited degree at the bag periphery, the whole lens moving forwardly.

Abstract

An intraocular lens provides substantially increased depth of focus for accurate near and far vision with an optic much thinner than a natural lens, and the lens being rigid vaulted posteriorly and adapted for posterior positioning in the capsular bag. The optic is positioned substantially farther from the cornea than a natural lens, so that a cone of light exiting the optic to impinge upon the retina is much smaller than a cone of light from a natural lens. Typically, the optic may be about 1.0 mm thick and its distance from the cornea 7.0-8.0 mm.

Description

    BACKGROUND AND SUMMARY OF THE INVENTION
  • A natural human optic typically has a thickness of about 5.0 mm. Light rays entering the cornea and passing to the optic typically travel about 7.0 to 8.0 mm. Light rays pass from the optic in a cone of light with its apex at the retina. The natural lens provides only a limited degree of depth of focus with clear vision over a limited range of distances. [0001]
  • The present invention provides an optic which is only a fraction the thickness of the natural lens. Whereas the natural lens is about 5.0 mm thick, the lens of the invention may typically be 1.0 mm and may range from about 0.5 mm to 1.5 mm. The distance from the cornea to the optic of the invention is about 7.0-8.0 mm, whereas with a natural lens, the light rays travel only about 3.5 mm from cornea to optic. Light rays refracted by and exiting the optic define a cone of light much smaller in cross-sectional area than the natural lens, and therefore impinge on the retina in a smaller area. The much smaller cone provides greatly increased depth of focus in comparison with a natural lens, and thus enables clear vision over a long range of distances. In effect, the invention provides effective accommodation as between near and far vision, and a person is enabled to view accurately over a wide range of distances. The optic is positioned much farther from the cornea than a natural lens, and this increase of distance minimizes the distance optical power change. The further posterior the optic, the higher the power of the optic and the less movement required for a given power change. The lens according to the invention is rigid, the haptics being rigidly connected to the optic, and the lens is vaulted posteriorly. Thus, the distance between the cornea and the optic is maximized and the distance of travel of light rays between cornea and optic is increased. [0002]
  • The rigid lens causes the optic to move with the periphery of the capsular bag in response to ciliary muscle changes, particularly for near vision. [0003]
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a cross-sectional view of a frontal portion of a human eye with a lens according to the invention disposed therein; [0004]
  • FIG. 2 is a partial sectional view of an eye showing light rays entering the cornea and exiting the optic in a cone of light from a natural lens to the retina; [0005]
  • FIG. 3 is a view similar to that of FIG. 2, showing an optic according to the invention, and light rays exiting the optic in a cone of light of smaller size than with the natural lens of FIG. 2; [0006]
  • FIGS. 4 and 5 are sectional views taken respectively at line [0007] 4-4 and line 5-5 in FIG. 1, showing a capsular bag and haptic in relation to the ciliary muscle in near and far vision positions of the capsular bag and haptic;
  • FIG. 6 is a diagrammatic sectional view of the ciliary muscle and capsular bag showing in solid lines their near vision positions, and showing in broken lines their far vision positions; [0008]
  • FIG. 7 is an elevational view of a preferred embodiment of lens and haptic according to the invention; [0009]
  • FIG. 8 is a side elevational view of the lens of FIG. 7; [0010]
  • FIG. 9 is an elevational view of another preferred embodiment of lens according to the invention; and [0011]
  • FIG. 10 is a side elevational view of the lens of FIG. 9. [0012]
  • DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • The present invention provides substantially increased depth of focus, for effective near and far accurate vision by providing a thin optic which is only a fraction the thickness of a natural lens or a conventional artificial lens optic, and by providing a rigid lens adapted to be positioned posteriorly in the natural capsular bag. [0013]
  • Referring to the drawings, FIG. 1 is a cross-sectional view of an [0014] eye 10 with a cornea 12, with a lens 14 according to the invention disposed in the capsular bag 16 of the eye. As indicated in FIG. 2, light rays entering at the cornea are refracted and impact a natural lens 14 which refracts the rays to define a cone of light which impacts the retina. FIG. 3 is a partial sectional view showing a thin optic 18 of the invention disposed substantially farther posteriorly than the natural lens 14 (or a conventional artificial lens) of 5 mm thickness (d2 in FIG. 2). The light rays passing from the cornea to the optic 18 must travel a distance of about 7.0 to 8.0 mm from the cornea to the optic, whereas with the natural lens 14 light rays travel only about 3.5 mm. The light rays refracted by and exiting the optic 18 define a cone of light of much smaller cross-sectional area (FIG. 3A) impact the retina in a smaller area, in comparison with the much larger cone of light and its much larger cross section (FIGS. 2 and 2A). An optic according to the invention may typically be 1.0 mm thick (d1 in FIG. 3), and may range from about 0.5 to about 1.5 mm in thickness.
  • The much smaller cone of light provides greatly increased depth of focus, thus enabling clear vision over a long range of distances, in comparison with the much larger cone of light produced by the natural human lens or conventional artificial intraocular lens. The much improved depth of focus provides effective accommodation or “pseudo accommodation”, as between near and far vision, so that a person is enabled to view accurately over a wide range of distances. The increase of distance which light rays must travel between the cornea and the optic minimizes the distance optical power change—i.e., the further posterior the optic, the higher the power of the optic and the less movement required for significant power change. [0015]
  • The [0016] lens 14 according to the invention is rigid, with the haptics thereof rigidly connected with the optic. The lens is vaulted posteriorly, as shown in FIGS. 1 and 8, in order to maximize the posterior positioning of the optic to increase the distance of travel of light rays between the cornea and the optic. Additional rigidity may be provided by rigid bars 20 secured along the edges of the lens (FIG. 7) or as shown in FIG. 9, a lens 22 may have rigid bars 24 disposed inwardly of the lens edges with arcuate portions extending about the optic, as shown. The haptics are preferably flexible to enable folding for insertion of the lens into the human eye via a slot therein of relatively short length. Lenses according to the invention may preferably embody upper and lower flexible loop portions 26, 26 (FIG. 7) which extend oppositely to facilitate lens rotation during insertion into an eye, without interfering engagement with the capsular bag.
  • The outer peripheral equator portion of the capsular bag is moved in response to configurational changes in the ciliary muscle as between near and far vision, thereby causing the lens and its optic to move with the periphery of the capsular bag in response to such muscle changes, particularly with respect to near vision. That is, upon contraction of the ciliary muscle, anterior displacement of the capsular bag equator effects corresponding anterior movement of the optic. The lens and optic are free to move anteriorly because of the relative stiffness of the anterior bag resulting from leather-like fibrosis or dead tissue arising from conventional surgical cutting to remove the anterior portion of the bag. The lens is moved posteriorly only when the muscle acts thereon. [0017]
  • FIGS. 4, 5 and [0018] 6 are diagrammatic cross-sectional views of the ciliary muscle 28 of the eye in relation to the peripheral or equator portion of the capsular bag with the lens 14 of the invention therein. FIG. 6 shows in broken lines the configuration 30 of the muscle 28 and the relative position of the haptic 14, in a far vision position, and showing in solid lines 32, the muscle configuration 30 and relative position of the haptic for near vision. Muscle configuration indicated at 30 extends into vitreous cavity, thus increasing pressure to a limited degree to further aid in moving the lens anteriorly. Muscle constriction moves the rigid lens forward to a limited degree at the bag periphery, the whole lens moving forwardly.
  • Thus there has been shown and described a lens for increased depth of focus which fulfills all the objects and advantages sought therefor. Many changes, modifications, variations and other uses and applications of the subject invention will, however, become apparent to those skilled in the art after considering this specification together with the accompanying drawings and claims. All such changes, modifications, variations and other uses and applications which do not depart from the spirit and scope of the invention are deemed to be covered by the invention which is limited only by the claims which follow. [0019]

Claims (23)

The inventor claims:
1. An intraocular lens for increased depth of focus, comprising:
an optic having a thickness substantially less than a natural human lens, and
at least two haptics connected with the optic,
said lens being adapted to be posteriorly positioned in the capsular bag of the eye,
whereby light refracted by the cornea travels substantially farther to the optic than with a natural optic and a substantially smaller cone of light passes from the optic to the retina to provide substantially increased depth of focus.
2. A lens according to claim 1, wherein the optic is about 1.0 mm in thickness.
3. A lens according to claim 1, wherein the optic has a thickness between 0.05 mm and 1.5 mm.
4. A lens according to claim 1, wherein the lens is rigid and the haptics are rigidly connected with the optic and extend therefrom.
5. A lens according to claim 1, wherein the lens is configurated to vault posteriorly in the capsular bag of the eye.
6. A lens according to claim 4, wherein the lens is configurated to vault posteriorly in the capsular bag.
7. A lens according to claim 4, wherein the optic has a thickness between 0.50 mm and 1.5 mm.
8. A lens according to claim 5, wherein the optic has a thickness between 0.60 mm and 1.5 mm.
9. A lens according to claim 4, wherein:
the rigid lens is moved anteriorly for near vision and posteriorly for far vision by changes in ciliary muscle configuration during contraction.
10. A lens according to claim 9, wherein:
a peripheral equator of the capsular bag and the rigid lens therein are moved about 1.0 mm between their far and near vision positions, whereby the optic is positioned about 1.0 mm further anteriorly than posteriorly to provide improved near vision.
11. A lens according to claim 9, wherein:
redistribution of ciliary muscle mass upon constriction of the muscle for near vision causes encroachment thereof on the vitreous cavity and an increase of pressure therein to aid in urging the rigid lens anteriorly to enhance near vision.
12. An intraocular lens for increased depth of focus, comprising:
an optic having a thickness substantially less than the thickness of a natural human lens, and
two haptics rigidly connected to the optic and extending therefrom,
said lens being configurated to vault posteriorly in the capsular bag to position the optic farther from the cornea of the eye,
whereby light refracted by the cornea travels substantially farther to the optic than with a natural optic and a substantially smaller cone of light passes from the optic to the retina to provide substantially increased depth of focus.
13. A lens according to claim 12, wherein the optic has a thickness between 0.05 mm and 1.5 mm.
14. A lens according to claim 12, wherein:
the rigid lens is moved anteriorly for near vision and posteriorly for far vision by changes in ciliary muscle configuration during contraction.
15. A lens according to claim 13, wherein:
the rigid lens is moved anteriorly for near vision and posteriorly for far vision by changes in ciliary muscle configuration during contraction.
16. A lens according to claim 14, wherein:
redistribution of ciliary muscle mass upon constriction of the muscle for near vision causes encroachment thereof on the vitreous cavity and an increase of pressure therein to aid in urging the rigid lens anteriorly to enhance near vision.
17. A lens according to claim 14, wherein:
a peripheral equator of the capsular bag and the rigid lens therein are moved about 1.0 mm between their far and near vision positions, whereby the optic is positioned about 1.0 mm further anteriorly than posteriorly to provide improved near vision.
18. A lens according to claim 12, wherein:
a peripheral equator of the capsular bag and the rigid lens therein are moved about 1.0 mm between their far and near vision positions, whereby the optic is positioned about 1.0 mm further anteriorly than posteriorly to provide improved near vision.
19. A lens according to claim 4, and further comprising at least one rigid bar secured to and extending longitudinally of the lens to provide rigidity.
20. A lens according to claim 19, wherein said lens is longitudinally flexible for bending for insertion into an eye.
21. A lens according to claim 12, and further comprising at least one rigid bar secured to and extending longitudinally of the lens to provide rigidity.
22. A lens according to claim 21, wherein said lens is longitudinally flexible for bending for insertion into an eye.
23. A lens according to claim 21, wherein two rigid bars are disposed in spaced relation and extend longitudinally of the lens.
US10/242,977 1999-08-09 2002-09-13 Lens for increased depth of focus Abandoned US20030050696A1 (en)

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US10/800,274 US20040243232A1 (en) 2002-09-13 2004-03-12 Lens for increased depth of focus

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US09/370,235 US6451056B1 (en) 1999-08-09 1999-08-09 Lens for increased depth of focus
US10/242,977 US20030050696A1 (en) 1999-08-09 2002-09-13 Lens for increased depth of focus

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US20050021139A1 (en) * 2003-02-03 2005-01-27 Shadduck John H. Ophthalmic devices, methods of use and methods of fabrication
US20050267575A1 (en) * 2001-01-25 2005-12-01 Nguyen Tuan A Accommodating intraocular lens system with aberration-enhanced performance
US20060184244A1 (en) * 2005-02-14 2006-08-17 Nguyen Tuan A Biasing system for intraocular lens
US20060287498A1 (en) * 2003-06-18 2006-12-21 Hitachi Chemical Co Ltd High-molecular copolymer containing metal coordination compound and organic electroluminescence element using the same
US20070010880A1 (en) * 2002-12-12 2007-01-11 Powervision, Inc. Methods of adjusting the power of an intraocular lens
US20070088433A1 (en) * 2005-10-17 2007-04-19 Powervision Accommodating intraocular lens system utilizing direct force transfer from zonules and method of use
US20070100445A1 (en) * 2003-02-03 2007-05-03 Shadduck John H Intraocular lenses and business methods
US20070106377A1 (en) * 2002-12-12 2007-05-10 Powervision, Inc. Accommodating intraocular lens system having spherical aberration compensation and method
US20070108643A1 (en) * 2001-01-25 2007-05-17 Gholam-Reza Zadno-Azizi Single-piece accommodating intraocular lens system
US20070128466A1 (en) * 2003-06-09 2007-06-07 Hitachi Chemical Co., Ltd. Metal coordination compound, polymer composition, and organic electroluminescent device employing same
US20070203578A1 (en) * 2002-12-12 2007-08-30 Powervision, Inc. Accommodating intraocular lens system having circumferential haptic support and method
US20070213817A1 (en) * 2002-12-12 2007-09-13 Victor Esch Accommodating intraocular lens having peripherally actuated deflectable surface and method
US20070299487A1 (en) * 2003-03-06 2007-12-27 Shadduck John H Adaptive Optic Lens and Method of Making
US20080015689A1 (en) * 2002-12-12 2008-01-17 Victor Esch Accommodating Intraocular Lens System and Method
US20080046075A1 (en) * 2002-12-12 2008-02-21 Esch Victor C Accommodating Intraocular Lens System and Method
US20080200982A1 (en) * 2007-02-21 2008-08-21 Jingjong Your Polymeric Materials Suitable for Ophthalmic Devices and Methods of Manufacture
US20080221676A1 (en) * 2004-07-22 2008-09-11 Cornell Research Foundation, Inc. Accommodating Intraocular Lens and Methods of Use
US20080306587A1 (en) * 2007-02-21 2008-12-11 Jingjong Your Lens Material and Methods of Curing with UV Light
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US6451056B1 (en) 2002-09-17

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