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WO2001037031A1 - Procede de traitement superficiel d'une lentille de contact en vue de l'adaptation individuelle au systeme oculaire - Google Patents

Procede de traitement superficiel d'une lentille de contact en vue de l'adaptation individuelle au systeme oculaire Download PDF

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Publication number
WO2001037031A1
WO2001037031A1 PCT/EP2000/011023 EP0011023W WO0137031A1 WO 2001037031 A1 WO2001037031 A1 WO 2001037031A1 EP 0011023 W EP0011023 W EP 0011023W WO 0137031 A1 WO0137031 A1 WO 0137031A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact lens
eye
contact
carried out
refractive
Prior art date
Application number
PCT/EP2000/011023
Other languages
German (de)
English (en)
Inventor
Johannes Junger
Original Assignee
Tui Laser Ag
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 Tui Laser Ag filed Critical Tui Laser Ag
Priority to AU23549/01A priority Critical patent/AU2354901A/en
Publication of WO2001037031A1 publication Critical patent/WO2001037031A1/fr

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
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00802—Methods or devices for eye surgery using laser for photoablation
    • A61F9/00812—Inlays; Onlays; Intraocular lenses [IOL]
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00825—Methods or devices for eye surgery using laser for photodisruption
    • A61F9/00834—Inlays; Onlays; Intraocular lenses [IOL]
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00844—Feedback systems
    • A61F2009/00848—Feedback systems based on wavefront
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F2009/00861—Methods or devices for eye surgery using laser adapted for treatment at a particular location
    • A61F2009/00872—Cornea
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00802—Methods or devices for eye surgery using laser for photoablation
    • A61F9/00804—Refractive treatments
    • 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
    • A61F9/007—Methods or devices for eye surgery
    • A61F9/008—Methods or devices for eye surgery using laser
    • A61F9/00802—Methods or devices for eye surgery using laser for photoablation
    • A61F9/00817—Beam shaping with masks
    • A61F9/00819—Beam shaping with masks with photoablatable masks

Definitions

  • the invention relates to a method for surface treatment of a contact lens, taking into account topology and refraction values measured on the eye to be optically corrected.
  • Vision corrections on optically defective eyes can be carried out in a manner known per se by means of common contact lenses which can be placed directly on the surface of the eye as transparent optical elements.
  • the optical effect of contact lenses is almost identical to that of eyeglass lenses and due to the relative curvature of the opposing contact lens surfaces.
  • Commercially available contact lenses are manufactured in a molding process, however, only contact lenses of sufficient quality can be obtained in this way, which serve to correct spherical vision defects.
  • complicated contact lens surface processing techniques are necessary which provide the contact lens surface with a corresponding optically effective surface topology. Individual irregularities in the eye system have so far not been sufficiently taken into account in manufacturing processes.
  • US Pat. No. 5,196,027 shows a method with which the surface of a contact lens facing away from the eye can be processed with the aid of a laser beam.
  • a frame which is mounted in the immediate vicinity of the contact lens on the surface of the eye ensures that the eye cannot move relative to the processing laser beam.
  • EP 663 179 A1 describes a method with which refractive measurements can also be carried out on the eye provided with a contact lens, measurements being carried out at various points in the lens-eye system.
  • the invention is based on the object of specifying a production method for contact lenses which largely rules out the mismatches described above.
  • a way is to be found which individually adjusts the production of contact lenses to the eye body to be corrected, the method being intended to be carried out as simply and inexpensively as possible.
  • the solution concept formulated in claim 1 provides that a preferably soft contact lens is applied to the eye to be optically corrected, so that the contact lens and the eye body largely form a single optical unit. This means that the contact lens with its surface facing the eye rests as far as possible over the entire surface of the eye body, so that the contact lens is adapted precisely to the surface topology of the eye body.
  • the contact lens sitting directly on the eye is processed with the aid of a photo-ablative, thermal or photodisruptive material removal process in such a way that laser beams are aimed specifically at the Contact lens surface facing away from the eye, which cause a defined local material removal.
  • the energy input and the wavelength of the laser pulses used for this are to be selected such that the major part of the energy input is deposited in the contact lens material. Wavelengths in the ultraviolet spectral range which are absorbed by the contact lens materials used are preferably suitable for this purpose.
  • the amounts of material that can be removed by each individual laser pulse can be defined in the contact lens.
  • the photoablative, thermal or photodisruptive material removal process takes place over the entire surface of the contact lens until a desired surface topology is reached which corresponds to a surface power that corresponds to the optical correction values determined by the previous refractive measurement process.
  • the aid of the method according to the invention it is also possible to detect the changing refractive power ratios during the material removal with the aid of refractive measurement methods or the aforementioned wavefront detection measurement method, so that a direct influence on the material removal method can be exerted.
  • the refractive measurements can be carried out globally over the entire eye or at a large number of local points on the eye.
  • the contact lens is made of a material or at least has a material that absorbs UV light with a wavelength of 308 nm. This radiation shines through the tear film almost without loss and ablates the contact lens underneath.
  • the main advantage of the method according to the invention is that it allows the contact lens to undergo an individual refractive power adjustment for an optimal optical correction of the eye system.
  • the method according to the invention provides that a refractive measurement is carried out on the eye, optical correction data typical for the eye and information about the top surface of the eye are obtained and the refractive measurement is carried out with the contact lens fitted, and that a laser beam-assisted measurement is carried out Material removal method is applied to the contact lens separated from the eye, by means of which the surface to be processed takes on a surface shape by means of laser-assisted material removal, by means of which a surface power is obtained in the contact lens, which is determined by the optical correction data, taking into account the information about the eye surface topology.
  • the deformation of a wavefront on the eye system is measured, which results in the optical imaging properties of the eye system.
  • a flat distribution of local refractive powers or aberration values on the entire cornea based on the system eye can thus be recorded.
  • the contact lens is removed from the eye body, in addition to the optical correction values, information about the top surface of the eye during contact lens surface processing can also be taken into account, which can be obtained with the aid of suitable topology measurement methods.
  • the removal of material from the contact lens surface is controlled by a process computer, the laser energy being varied depending on the location in order to take into account corresponding deformation phenomena in the contact surface geometry.

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Eyeglasses (AREA)

Abstract

L'invention concerne un procédé de traitement superficiel d'une lentille de contact qui est appliquée directement sur un oeil devant être corrigé optiquement par cette lentille, ladite lentille comprenant une surface venant en contact, sur une majeure partie de sa surface, avec l'oeil, et une surface à traiter, laquelle est opposée à l'oeil. L'invention est caractérisée en ce qu'on effectue une mesure de réfraction sur l'oeil, de manière à obtenir des données de correction optique caractéristiques pour l'oeil, en ce qu'on effectue la mesure de réfraction avec la lentille de contact appliquée, et en ce qu'on utilise un processus d'enlèvement de matière, assisté au laser, sur la lentille appliquée directement sur l'oeil, processus grâce auquel la surface à traiter prend, par cet enlèvement de matière, une forme permettant d'avoir dans la lentille, une force de réfraction superficielle qui est déterminée par les données de correction optiques.
PCT/EP2000/011023 1999-11-12 2000-11-08 Procede de traitement superficiel d'une lentille de contact en vue de l'adaptation individuelle au systeme oculaire WO2001037031A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU23549/01A AU2354901A (en) 1999-11-12 2000-11-08 Method for surface treatment of a contact lens for individual adjustment to the eye system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19954523.5 1999-11-12
DE1999154523 DE19954523C2 (de) 1999-11-12 1999-11-12 Verfahren zur Oberflächenbearbeitung einer Kontaktlinse zur individuellen Anpassung an das System Auge

Publications (1)

Publication Number Publication Date
WO2001037031A1 true WO2001037031A1 (fr) 2001-05-25

Family

ID=7928849

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/011023 WO2001037031A1 (fr) 1999-11-12 2000-11-08 Procede de traitement superficiel d'une lentille de contact en vue de l'adaptation individuelle au systeme oculaire

Country Status (3)

Country Link
AU (1) AU2354901A (fr)
DE (1) DE19954523C2 (fr)
WO (1) WO2001037031A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003101348A1 (fr) * 2002-05-31 2003-12-11 Bausch & Lomb Incorporated Materiaux polymeres utilises comme lenticules intra-corneens photoablatifs
EP1322215A4 (fr) * 2000-09-26 2005-05-25 Calhoun Vision Inc Reglage de puissance d'un objectif reglable
AU2001294818B2 (en) * 2000-09-26 2006-08-17 Calhoun Vision, Inc. Power adjustment of adjustable lens
EP2287656A1 (fr) * 2009-08-17 2011-02-23 Hecht Contactlinsen GmbH Procédé de fabrication de lentilles de contact adaptées aux yeux d'une personne
US11266495B2 (en) 2019-10-20 2022-03-08 Rxsight, Inc. Light adjustable intraocular lens with a modulable absorption front protection layer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10241211B4 (de) 2002-09-05 2004-09-16 Technovision GmbH Gesellschaft für die Entwicklung medizinischer Technologie Vorrichtung und Verfahren zum Herstellen kundenspezifischer weicher Kontaktlinsen
EP1546791A1 (fr) 2002-10-04 2005-06-29 Carl Zeiss AG Procede de fabrication d'une lentille et lentille fabriquee selon ce procede

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196027A (en) * 1990-05-02 1993-03-23 Thompson Keith P Apparatus and process for application and adjustable reprofiling of synthetic lenticules for vision correction
US5423801A (en) * 1986-03-19 1995-06-13 Summit Technology, Inc. Laser corneal surgery
DE19727573C1 (de) * 1996-10-26 1998-05-20 Aesculap Meditec Gmbh Vorrichtung und Verfahren zur Formgebung von Oberflächen, insbesondere von Linsen
US5777719A (en) * 1996-12-23 1998-07-07 University Of Rochester Method and apparatus for improving vision and the resolution of retinal images
US5941874A (en) * 1997-03-10 1999-08-24 Chiron Technolas Gmbh Opthalmologische Systeme Simulating a laser treatment on the eye by pretreating a contact lens
WO2001012113A1 (fr) * 1999-08-11 2001-02-22 Asclepion-Meditec Ag Procede et dispositif d'aberrometrie en ligne lors de la correction refractive des yeux

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4002029A1 (de) * 1990-01-24 1991-07-25 Peter Hoefer Verfahren zur herstellung von kontaktlinsen und kontaktlinsenfertigungssystem
DE4232690C1 (de) * 1992-09-30 1994-04-07 Aesculap Ag Verfahren und Vorrichtung zur Formkorrektur einer Linse
EP0663179A1 (fr) * 1994-01-12 1995-07-19 Ciba-Geigy Ag Réfractomètre spatial

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5423801A (en) * 1986-03-19 1995-06-13 Summit Technology, Inc. Laser corneal surgery
US5196027A (en) * 1990-05-02 1993-03-23 Thompson Keith P Apparatus and process for application and adjustable reprofiling of synthetic lenticules for vision correction
DE19727573C1 (de) * 1996-10-26 1998-05-20 Aesculap Meditec Gmbh Vorrichtung und Verfahren zur Formgebung von Oberflächen, insbesondere von Linsen
US5777719A (en) * 1996-12-23 1998-07-07 University Of Rochester Method and apparatus for improving vision and the resolution of retinal images
US5941874A (en) * 1997-03-10 1999-08-24 Chiron Technolas Gmbh Opthalmologische Systeme Simulating a laser treatment on the eye by pretreating a contact lens
WO2001012113A1 (fr) * 1999-08-11 2001-02-22 Asclepion-Meditec Ag Procede et dispositif d'aberrometrie en ligne lors de la correction refractive des yeux

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KLEIN STANLEY A: "Optimal corneal ablation for eyes with arbitrary Hartmann-Shack aberrations", JOURNAL OF THE OPTICAL SOCIETY OF AMERICA - A,OPTICAL SOCIETY OF AMERICA, WASHINGTON,US, vol. 15, no. 9, September 1998 (1998-09-01), pages 2580 - 2588, XP002162912, ISSN: 0740-3232 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1322215A4 (fr) * 2000-09-26 2005-05-25 Calhoun Vision Inc Reglage de puissance d'un objectif reglable
AU2001294818B2 (en) * 2000-09-26 2006-08-17 Calhoun Vision, Inc. Power adjustment of adjustable lens
US7105110B2 (en) 2000-09-26 2006-09-12 Calhoun Vision, Inc. Delivery system for post-operative power adjustment of adjustable lens
WO2003101348A1 (fr) * 2002-05-31 2003-12-11 Bausch & Lomb Incorporated Materiaux polymeres utilises comme lenticules intra-corneens photoablatifs
EP2287656A1 (fr) * 2009-08-17 2011-02-23 Hecht Contactlinsen GmbH Procédé de fabrication de lentilles de contact adaptées aux yeux d'une personne
US11266495B2 (en) 2019-10-20 2022-03-08 Rxsight, Inc. Light adjustable intraocular lens with a modulable absorption front protection layer
US12102524B2 (en) 2019-10-20 2024-10-01 Rxsight, Inc. Light adjustable intraocular lens with a modulable absorption front protection layer

Also Published As

Publication number Publication date
DE19954523A1 (de) 2001-09-20
DE19954523C2 (de) 2002-01-31
AU2354901A (en) 2001-05-30

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