WO2006048010A1 - Implantat, insbesondere zum ersatz der natürlichen linse mit filtereigenschaften zur ein- und ausblendung verschiedener refraktionsbereiche - Google Patents
Implantat, insbesondere zum ersatz der natürlichen linse mit filtereigenschaften zur ein- und ausblendung verschiedener refraktionsbereiche Download PDFInfo
- Publication number
- WO2006048010A1 WO2006048010A1 PCT/DE2005/001993 DE2005001993W WO2006048010A1 WO 2006048010 A1 WO2006048010 A1 WO 2006048010A1 DE 2005001993 W DE2005001993 W DE 2005001993W WO 2006048010 A1 WO2006048010 A1 WO 2006048010A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- refractive power
- intraocular lens
- zones
- combination
- Prior art date
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
- A61F2/1616—Pseudo-accommodative, e.g. multifocal or enabling monovision
- A61F2/1618—Multifocal lenses
-
- 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
- A61F2250/00—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2250/0058—Additional features; Implant or prostheses properties not otherwise provided for
- A61F2250/0096—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers
- A61F2250/0098—Markers and sensors for detecting a position or changes of a position of an implant, e.g. RF sensors, ultrasound markers radio-opaque, e.g. radio-opaque markers
Definitions
- the present invention relates to an implant for replacement of the natural cataract lens.
- this novel lens which is the subject of the invention, several refractive power ranges of such an intraocular lens (multifocal intraocular lens) to spatially separated patterns by filter technology and be faded out.
- multifocal intraocular lenses operate on the principle that two or more different spatially separated areas of refractive power can be applied to one lens with a difference of about 3 dptr. be applied. This works either on the principle of Fresnel lens or by separating refractive different areas in different surface areas of the refractive fractions of an intraocular lenses.
- polarizing filter in combination with the complementary filter here z.
- FIGS. 1 to 4 this principle is shown in plan and plan views of a schematic eye with and without glasses on the basis of the exemplary embodiment of a combination of crossed polarization glasses with concentrically arranged refraction regions of an intraocular lens.
- FIG. 1 shows polarization filters, for example, applied concentrically to a multifocal intraocular lens.
- the main polarization filter directions are rotated to the distance of those near by 90 degrees.
- Fig. 2 shows the combination of this intraocular lens with a lens without refractive property (plane glass), which passes through the application of a Polfilters crossed to Kleinpolarisationsebene the near area of the intraocular lens only images through the far area of the intraocular lens or in the vicinity only images of the vicinity of the refractive lens allows.
- Fig. 3 and 4 show the construction of the example of an implantation in an eye in supervision and sectional view.
- the polarization filter foil which is crossed into a multifocal intraocular lens in the various refraction regions or integrated in only one region, allows the far and near regions to be separated precisely by means of a pre-set spectacle lens.
- the distance and near range are without spectacle lens as in a normal multifocal lens available, a contrast enhancement of the image is achieved by an uncorrected, not provided with refractive sunglass-like eyewear.
- This intraocular lens as well as glasses can also be combined and integrated with blue filters and sunscreen filters.
Landscapes
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004053693.7 | 2004-11-06 | ||
DE200410053693 DE102004053693A1 (de) | 2004-11-06 | 2004-11-06 | Implantat insbesondere zum Ersatz der natürlichen Linse mit Filtereigenschaften zur Ein- und Ausblendung verschiedener Refraktionsbereiche |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006048010A1 true WO2006048010A1 (de) | 2006-05-11 |
Family
ID=35840697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/001993 WO2006048010A1 (de) | 2004-11-06 | 2005-11-04 | Implantat, insbesondere zum ersatz der natürlichen linse mit filtereigenschaften zur ein- und ausblendung verschiedener refraktionsbereiche |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE102004053693A1 (de) |
WO (1) | WO2006048010A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2323564A1 (es) * | 2009-02-25 | 2009-07-20 | Universidad De Cntabria | Dispositivo optico de focal variable. |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0458508A2 (de) * | 1990-05-14 | 1991-11-27 | Iolab Corporation | Angepasste Fresnellinse für multifokale intraokulare und mikrochirurgische Anwendungen |
US5142411A (en) * | 1987-09-24 | 1992-08-25 | Werner J. Fiala | Multifocal birefringent lens system |
US5838419A (en) * | 1996-02-22 | 1998-11-17 | Holland; Stephen | Method and apparatus for treating refractive eye abnormalities |
US6250757B1 (en) * | 1999-12-15 | 2001-06-26 | Johnson & Johnson Vision Products, Inc. | Hybrid refractive birefringent multifocal ophthalmic lenses |
US20050143812A1 (en) * | 2003-12-29 | 2005-06-30 | Paul Marlene L. | Intraocular lenses having a visible light-selective-transmissive-region |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3610833A1 (de) * | 1986-04-01 | 1987-10-08 | Inprohold Ets | Intraokulare implantationslinse |
US5044743A (en) * | 1988-12-20 | 1991-09-03 | Allergan, Inc. | Corrective lens system |
-
2004
- 2004-11-06 DE DE200410053693 patent/DE102004053693A1/de not_active Withdrawn
-
2005
- 2005-11-04 WO PCT/DE2005/001993 patent/WO2006048010A1/de not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5142411A (en) * | 1987-09-24 | 1992-08-25 | Werner J. Fiala | Multifocal birefringent lens system |
EP0458508A2 (de) * | 1990-05-14 | 1991-11-27 | Iolab Corporation | Angepasste Fresnellinse für multifokale intraokulare und mikrochirurgische Anwendungen |
US5838419A (en) * | 1996-02-22 | 1998-11-17 | Holland; Stephen | Method and apparatus for treating refractive eye abnormalities |
US6250757B1 (en) * | 1999-12-15 | 2001-06-26 | Johnson & Johnson Vision Products, Inc. | Hybrid refractive birefringent multifocal ophthalmic lenses |
US20050143812A1 (en) * | 2003-12-29 | 2005-06-30 | Paul Marlene L. | Intraocular lenses having a visible light-selective-transmissive-region |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2323564A1 (es) * | 2009-02-25 | 2009-07-20 | Universidad De Cntabria | Dispositivo optico de focal variable. |
Also Published As
Publication number | Publication date |
---|---|
DE102004053693A1 (de) | 2006-05-24 |
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