WO2009027438A3 - Intraocular lens having extended depth of focus - Google Patents

Intraocular lens having extended depth of focus Download PDF

Info

Publication number
WO2009027438A3
WO2009027438A3 PCT/EP2008/061235 EP2008061235W WO2009027438A3 WO 2009027438 A3 WO2009027438 A3 WO 2009027438A3 EP 2008061235 W EP2008061235 W EP 2008061235W WO 2009027438 A3 WO2009027438 A3 WO 2009027438A3
Authority
WO
WIPO (PCT)
Prior art keywords
diopters
intraocular lens
focus
threshold
line pairs
Prior art date
Application number
PCT/EP2008/061235
Other languages
French (fr)
Other versions
WO2009027438A2 (en
Inventor
Hendrik A Weeber
Patricia Ann Piers
Original Assignee
Amo Regional Holdings
Hendrik A Weeber
Patricia Ann Piers
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 Amo Regional Holdings, Hendrik A Weeber, Patricia Ann Piers filed Critical Amo Regional Holdings
Priority to EP20080787528 priority Critical patent/EP2180849B1/en
Priority to AU2008292187A priority patent/AU2008292187B2/en
Priority to CA2697969A priority patent/CA2697969C/en
Publication of WO2009027438A2 publication Critical patent/WO2009027438A2/en
Publication of WO2009027438A3 publication Critical patent/WO2009027438A3/en

Links

Classifications

    • 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
    • A61F2/00—Filters 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular 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
    • A61F2/1654—Diffractive lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
    • 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
    • A61F2/00—Filters 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
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A61F2/16—Intraocular lenses
    • A61F2002/16965—Lens includes ultraviolet absorber
    • A61F2002/1699—Additional features not otherwise provided for

Abstract

An intraocular lens is disclosed, which includes a diffractive element with a relatively low add power. The add power may be less than about 2 Diopters, may be less than about 1 Diopter, or may be in the ranges of 0.5 to 2.5 Diopters, or 1.0 lo 2.0 Diopters, or 1.5 to 2.0 Diopters, or 1.0 to 1.5 Diopters. The low-add-power diffractive element increases the depth of the focus of the intraocular lens, for example, compared to a similarly shaped intraocular lens without the diffractive element. In one embodiment, the depth of focus is defined in terms of a threshold MTF value at a particular spaiml frequency. The threshold may be an absolute threshold, such as 0.10, 0.15, 0.17, 0.20, 0.25 or 0.30, or may be a relative threshold, such as a particular percentage of the peak value. The spatial frequency may be 25 line pairs per mm. 50 line pairs per mm. 100 line pairs per mm, or any suitable value.
PCT/EP2008/061235 2007-08-27 2008-08-27 Intraocular lens having extended depth of focus WO2009027438A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20080787528 EP2180849B1 (en) 2007-08-27 2008-08-27 Intraocular lens having extended depth of focus
AU2008292187A AU2008292187B2 (en) 2007-08-27 2008-08-27 Intraocular lens having extended depth of focus
CA2697969A CA2697969C (en) 2007-08-27 2008-08-27 Intraocular lens having extended depth of focus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US96825007P 2007-08-27 2007-08-27
US60/968,250 2007-08-27

Publications (2)

Publication Number Publication Date
WO2009027438A2 WO2009027438A2 (en) 2009-03-05
WO2009027438A3 true WO2009027438A3 (en) 2009-04-16

Family

ID=40343530

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/061235 WO2009027438A2 (en) 2007-08-27 2008-08-27 Intraocular lens having extended depth of focus

Country Status (5)

Country Link
US (1) US8747466B2 (en)
EP (1) EP2180849B1 (en)
AU (1) AU2008292187B2 (en)
CA (1) CA2697969C (en)
WO (1) WO2009027438A2 (en)

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US8747466B2 (en) 2014-06-10
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AU2008292187B2 (en) 2014-01-30
US20090187242A1 (en) 2009-07-23

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