WO2003101355A1 - Verfahren zur steuerung einer vorrichtung zur behandlung des menschlichen auges - Google Patents
Verfahren zur steuerung einer vorrichtung zur behandlung des menschlichen auges Download PDFInfo
- Publication number
- WO2003101355A1 WO2003101355A1 PCT/EP2003/005755 EP0305755W WO03101355A1 WO 2003101355 A1 WO2003101355 A1 WO 2003101355A1 EP 0305755 W EP0305755 W EP 0305755W WO 03101355 A1 WO03101355 A1 WO 03101355A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- ablation
- topography
- eye
- measuring
- 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
- 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
- A61F9/00806—Correction of higher orders
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00681—Aspects not otherwise provided for
- A61B2017/00707—Dummies, phantoms; Devices simulating patient or parts of patient
- A61B2017/00716—Dummies, phantoms; Devices simulating patient or parts of patient simulating physical properties
-
- 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
- A61F2009/00855—Calibration of the laser system
- A61F2009/00859—Calibration of the laser system considering nomograms
-
- 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
- A61F2009/00878—Planning
- A61F2009/0088—Planning 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
- A61F2009/00878—Planning
- A61F2009/00882—Planning based on topography
Definitions
- the present invention relates to a method for controlling a device for ablation of parts of the human eye, in particular the cornea, by means of laser radiation, the control being carried out by an electronic data processing system which provides data to a device for treating the human eye by means of laser radiation, and a device for Treatment of the human eye with laser radiation.
- phase plate phosphor which is known, for example, from DE10103763, or adaptive phoropter and used for the refractive correction.
- the present invention is therefore based on the object of providing a method for controlling a device for treating the human eye which offers a simple overview of the effect of all parameters.
- a graphic simulation of the ablation takes place in the form of a graphic visualization.
- the optical and geometrical eye data are in particular thickness (pachymetry) and the curvature of the cornea (topography).
- This data can be summarized for each eye in a pachymetry map and a topography map.
- the attending physician can graphically anticipate the result of the treatment implementation and in particular recognize problematic areas.
- problems to be expected such as insufficient residual corneal thickness in certain areas, can be determined by the computer software used and displayed as a warning.
- the method according to the invention can be used to find an optimal parameter configuration, for example by varying one or more parameters.
- This enables the ablation to be optimized, for example, to minimize the removal of the cornea.
- All parameters can be entered or automatically recorded by means of the computer software, which contains all mutual relationships and which can thus calculate a correction which takes into account all relevant factors.
- the weighting and selection of the parameters is not clear, however, but is determined by various patient-specific objectives; eg best vision during the day, best vision at dusk, minimal corneal removal or the like.
- the computer software preferably comprises a user interface, with the aid of which the doctor can quickly achieve an optimal correction using the weighting described above.
- a mode can also be selected which enables all parameters to be set manually, for example by means of sliders or the like shown on the user interface. The effect of the parameter changes is immediately illustrated using a graphic simulation of the correction.
- All treatment parameters to be entered manually are preferably entered using a central input / output device.
- This can be, for example, a computer screen in connection with a keyboard or a so-called touch screen.
- the determination of the operation parameters comprises one or more of the following method steps: determination of topography data of the eye; Determining refraction data of the eye; Determining higher order aberration data by wavefront measurement; Determining pachymetry data; Determination of the pupillometry of the eye (preferably for different lighting conditions); Precise superimposition of all determined measurement data in a fixed coordinate system of the eye; Calculation of height data of the deviations in relation to a target area; Calculation of a Height data difference to target area; Calculating an adjusted height data difference to the target area; Calculate ablation coordinates for the laser.
- K values and / or a curvature map and / or a topography ap and / or a power map are preferably obtained from the topography data.
- the spherical and / or cylindrical refraction are correspondingly included in the data for controlling the ablation device.
- the target area with respect to the topography data is freely selectable, preferably an ellipsoid, and accordingly, in the case of the ellipsoid, the target area of the refraction data is a spheroid.
- the deviation of the center of the pupil can thus shift by up to 0.5 mm under different lighting conditions. Additional parameters such as special patient requests for visual acuity distribution or the like are included in the adjusted height data difference. By superimposing these measurement data in a fixed coordinate system of the eye, the overall correction of the eye can then be shown in one representation.
- the tissue of the cornea to be removed is determined from the height data of the deviations of the cornea surface.
- the device for treating the human eye comprises a laser and / or means for wavefront measurement.
- a device for treating the human eye using laser radiation comprising a device for measuring aberrometry, a device for measuring topography, a device for measuring pachymetry, optionally a device for measuring pupillometry, a device for pinpoint accuracy , centered superimposition of the measurement data of all measuring devices, a laser unit and an electronic data processing device, based on a treatment model that can link the measured values and further patient data to ablation values.
- This device preferably also includes a device for measuring the pupillometry of the eye, ie a pupillometer.
- the device preferably comprises a measuring device arrangement which allows the measurement of the aberrometry, the topography, the pupillometry and the pachymetry by means of a clamping, ie in a precise reference of the measurement data to a centered fixed coordinate system of the eye.
- the device has a combination of the measuring instruments required for this purpose, which enable a measurement of the eye to be treated via a common eyepiece or overlay all separate measurement data centered with respect to a location-specific coordinate system and jointly display their interaction. This is preferably done by determining the optical axis or the visual axis of the eye in the measurements by each individual measuring device and then using these to display all the measurement data in a precisely centered manner.
- the treatment model is implemented as a software module.
- the treatment model means that the software can calculate the ablation for each individual point on the cornea surface based on the measured or manually entered parameters.
- the software weights all measured values or parameters.
- the software thus represents a central acquisition and evaluation tool.
- the ablation for each point of the cornea surface results in an ablation map, ie a "map" with which the surface can be displayed.
- the device is preferably able to graphically represent the ablation for each point summarized as an ablation map.
- the measuring instruments can also be arranged at least partially separately, the measurement results of which have to be transferred manually into the device or by means of a data bus such as e.g. a serial cable can be connected to the device so that its data can be transferred automatically.
- a data bus such as e.g. a serial cable
- 1 shows a flowchart of the method; 1 shows a flow chart of the method according to the invention.
- the optical data of the eye are recorded in a first step.
- the topography is first determined in the form of K values, a curvature map, a topography map and a power map of the cornea.
- pupil data and centering data such as the line of view (visual axis of the eye) are included.
- objective and subjective refraction data namely the spherical and cylindrical refraction of the patient are determined.
- Objective refraction data are data that are determined exclusively through a measurement with a measuring device. This can be done, for example, using a refractometer or an aberrometer.
- Subjective refraction data is data that is based on the feedback from the patient, who tells whether a potential correction is perceived as "better” or worse. This is achieved, for example, through the use of a phoropter that represents potential correction scenarios that the patient comments on.
- an aberrometer measurement is an objective measurement method. Due to the physiological process of seeing, the quality of individual vision is not only determined by the objective optical quality of the optical system eye, but also by the subjectively assessed eyesight.
- topography pachymetry
- pupillometry fixation / centering
- registration is provided in the device and the method according to the invention (this is a pinpoint assignment of the measurement data of the eye for positioning the therapeutic correction, e.g. via local markings on the eye Cornea or significant structures of the eye (such as veins or iris structures) and phoropters can also make a subjective assessment of the refraction with the help of a phase plate or adaptive phoropter and an optotype projector.
- the subjective evaluation of the aberrations of higher orders z. B. can be excluded by means of the Zernike polynomials by using the values of the sphere and cylinder, which are determined with a refractometer and / or subjectively assessed with a phoropter, as the basic data record for the refractive correction to be used.
- this basic data set is supplemented with the objectively measured data of the Zernike polynomials of higher orders, which are corrected by the spherical equivalent components from the wavefront data.
- the higher aberration orders play a special role in the generation of aspherical lens profiles or correction profiles.
- the simplified method described above can also be carried out directly on the basis of the height data instead of the wavefront / data calculation based on the Zernike polynomials.
- These aberrometer-based height data are common in the measurement data output from topography devices and are obtained in aberrometers with the help of "zonal reconstruction". Compared to data exchange based on the Zernike polynomials, they guarantee a higher spatial resolution of the wavefront. Uncertainties regarding the correct wavefront reconstruction in the polynomial description can largely be avoided depending on the resolution of the zonal reconstruction. So-called “repair cases” can thus be implemented based on a complete data set of the overall optical system. On the basis of this wavefront height data, it must also be taken into account in the context of the described simplified method that, in addition to the basic data set, the wavefront data without the spherical and cylindrical basic components are also supplemented as equivalent components.
- the refractive correction can be designed taking into account the special features of the various optical subsystems of the eye.
- the cornea which provides the main refractive power of the eye with approx. 80% and at the same time forms the ablation target for refractive laser surgery.
- the projection effects of the ablative laser spot on the spherical surface of the cornea at a radius of approximately 7.8 mm can be taken into account using a keratometric radius measurement of the cornea.
- An even more precise control of the ablation taking into account the projective fluence variations of the laser spot on the cornea is obtained when the topography is taken into account.
- the ablation can be controlled by the method according to the invention not only taking into account a keratometrically determined radius of the cornea, but also the projective fluence variations of the laser spot, in particular at the edge areas to compensate for the ablation, but also the topography data describing the surface more precisely are used for this.
- the higher-order aberrations are determined objectively by means of a wavefront measurement.
- Known devices and methods for wavefront measurement can be used for this purpose.
- height data of the deviations of the cornea surface based on a target area are calculated from the refraction or topography data determined in this way.
- the determination is made from the refraction data by using the standard algorithms, for example the Munnerlyn formulas. A sphere is assumed as the target area.
- the height data are derived from the topography data.
- the curvature of the target surface is determined on the basis of the refraction data.
- the data are calculated using standard algorithms such as the Munnerlyn formulas.
- the K values are taken into account here. An ellipsoid is assumed as the target area.
- the refraction data are linked with the data of the wavefront measurement.
- the curvature of the target surfaces is determined on the basis of the refractive data.
- Subjective refractions are calculated using standard algorithms such as the Munnerlyn formulas and an overlay of the data determined in this way with high order (HO) data.
- HO high order
- the refraction data is linked to the topography data and the data of the wavefront measurement.
- a superposition of these values with high order data taking into account the K values.
- An ellipsoid is assumed as the target area. The difference between the topography data and the data determined with the wavefront measurement is problematic.
- the height data difference to the target area is calculated.
- a map (data map) with height data of the deviations from the target area is calculated.
- the difference in height from the target area and thus the tissue to be removed are specified.
- the flap thickness, the flap diameter and the folding direction (downside) of the flap are now determined.
- data on pachymetry, the thickness of the cornea is received in the form of a pachymetry map. The effects of pachymetry on the depth of ablation are determined.
- further patient data such as the age and the cylinder data of the patient are received. Effects on the correction of the refraction and the correction of the cylinder axis are also calculated from this.
- the influences of the laser parameters in particular the energy density distribution, the firing frequency, the spot geometry and the resolution accuracy of the scanner are now taken into account.
- the data regarding smoke and thermal problems are included.
- ablation coordinates are output for the laser, this is coordination data for specific lasers (for example MEL 70).
- the determined and calculated data can be output in the form of a graphic simulation on a computer screen.
- the simulation represents the cornea to be treated, for example in different colors or the like, in a top view or in section, so that the treating doctor can examine the entire process in advance. It is therefore possible with this device or the electronic data processing system, which consists of an optionally networked or compactly integrated measuring system, that all objective and subjective data of the optical refraction and geometry of the eye are recorded in such a way that they are centered in a fixed coordinate system of the eye and stored or displayed precisely on top of each other.
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- 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)
- Eye Examination Apparatus (AREA)
- Laser Surgery Devices (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/516,432 US7836892B2 (en) | 2002-05-31 | 2003-06-02 | Method for controlling a device for treating the human eye |
JP2004508713A JP2005527325A (ja) | 2002-05-31 | 2003-06-02 | 人の目を治療する装置、及びアブレーション装置のコントロール方法 |
AU2003273559A AU2003273559A1 (en) | 2002-05-31 | 2003-06-02 | Method for controlling a device for treating the human eye |
EP03740172A EP1513477A1 (de) | 2002-05-31 | 2003-06-02 | Verfahren zur steuerung einer vorrichtung zur behandlung des menschlichen auges |
US12/905,290 US8414567B2 (en) | 2002-05-21 | 2010-10-15 | Method for controlling a device for treating the human eye |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10224493.6 | 2002-05-31 | ||
DE10224493 | 2002-05-31 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10516432 A-371-Of-International | 2003-06-02 | ||
US12/905,290 Continuation US8414567B2 (en) | 2002-05-21 | 2010-10-15 | Method for controlling a device for treating the human eye |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003101355A1 true WO2003101355A1 (de) | 2003-12-11 |
Family
ID=29594221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2003/005755 WO2003101355A1 (de) | 2002-05-21 | 2003-06-02 | Verfahren zur steuerung einer vorrichtung zur behandlung des menschlichen auges |
Country Status (5)
Country | Link |
---|---|
US (2) | US7836892B2 (de) |
EP (1) | EP1513477A1 (de) |
JP (1) | JP2005527325A (de) |
AU (1) | AU2003273559A1 (de) |
WO (1) | WO2003101355A1 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005011544A1 (de) * | 2003-07-23 | 2005-02-10 | Carl Zeiss Meditec Ag | Verfahren, vorrichtung und system zur bestimmung eines systemparameters eines laserstrahl-behandlungssystems |
EP1529504A1 (de) * | 2003-11-07 | 2005-05-11 | Alcon RefractiveHorizons, Inc. | Verfahren und System zur Optimierung wellenfrontgesteuerter refraktiver Laserchirurgie |
WO2007016033A1 (en) * | 2005-07-29 | 2007-02-08 | Alcon Refractivehorizons, Inc. | Laser corneal flap cutting system and associated methods |
EP2281500A1 (de) * | 2009-08-05 | 2011-02-09 | SIS AG, Surgical Instrument Systems | Ophthalmologische Messvorichtung und Messverfahren |
US8331048B1 (en) | 2009-12-18 | 2012-12-11 | Bausch & Lomb Incorporated | Methods of designing lenses having selected depths of field |
US9248047B2 (en) | 2006-01-23 | 2016-02-02 | Ziemer Holding Ag | System for protecting tissue in the treatment of eyes |
US10485655B2 (en) | 2014-09-09 | 2019-11-26 | Staar Surgical Company | Ophthalmic implants with extended depth of field and enhanced distance visual acuity |
US10774164B2 (en) | 2018-08-17 | 2020-09-15 | Staar Surgical Company | Polymeric composition exhibiting nanogradient of refractive index |
US10881504B2 (en) | 2016-03-09 | 2021-01-05 | Staar Surgical Company | Ophthalmic implants with extended depth of field and enhanced distance visual acuity |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007005699A1 (de) * | 2007-02-05 | 2008-08-07 | Carl Zeiss Meditec Ag | Koagulationssystem |
US9603744B2 (en) | 2012-11-09 | 2017-03-28 | Technolas Perfect Vision Gmbh | Adaptable patient interface |
US9398979B2 (en) | 2013-03-11 | 2016-07-26 | Technolas Perfect Vision Gmbh | Dimensional compensator for use with a patient interface |
EP3609448B1 (de) | 2017-04-11 | 2023-11-29 | Motwani, Manoj | System zur kornealen laserablation |
US10857033B2 (en) | 2017-05-05 | 2020-12-08 | Manoj Motwani | Systems and methods for corneal laser ablation |
CN113940811A (zh) * | 2020-07-15 | 2022-01-18 | 菁眸生物科技(上海)有限公司 | 一种调整周围高阶像差控制近视的方法及光学器材 |
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-
2003
- 2003-06-02 WO PCT/EP2003/005755 patent/WO2003101355A1/de active Application Filing
- 2003-06-02 EP EP03740172A patent/EP1513477A1/de not_active Withdrawn
- 2003-06-02 JP JP2004508713A patent/JP2005527325A/ja active Pending
- 2003-06-02 AU AU2003273559A patent/AU2003273559A1/en not_active Abandoned
- 2003-06-02 US US10/516,432 patent/US7836892B2/en active Active
-
2010
- 2010-10-15 US US12/905,290 patent/US8414567B2/en not_active Expired - Lifetime
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US5807381A (en) * | 1995-10-18 | 1998-09-15 | Scientific Optics, Inc. | Method and apparatus for improving vision |
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US20010020163A1 (en) * | 1999-04-07 | 2001-09-06 | Clapman Terrance N. | Offset ablation profiles for treatment of irregular astigmatism |
WO2001028476A1 (en) * | 1999-10-21 | 2001-04-26 | Technolas Gmbh Ophthalmologische Systeme | Iris recognition and tracking for optical treatment |
US6394999B1 (en) * | 2000-03-13 | 2002-05-28 | Memphis Eye & Cataract Associates Ambulatory Surgery Center | Laser eye surgery system using wavefront sensor analysis to control digital micromirror device (DMD) mirror patterns |
WO2002007660A2 (en) * | 2000-07-21 | 2002-01-31 | Ohio State University | Methods and instruments for refractive ophthalmic surgery |
WO2003002047A2 (de) * | 2001-06-26 | 2003-01-09 | Carl Zeiss Meditec Ag | Verfahren und vorrichtung zur darstellung eines operationsgebietes bei laseroperationen |
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WO2005011544A1 (de) * | 2003-07-23 | 2005-02-10 | Carl Zeiss Meditec Ag | Verfahren, vorrichtung und system zur bestimmung eines systemparameters eines laserstrahl-behandlungssystems |
US8303577B2 (en) | 2003-07-23 | 2012-11-06 | Carl Zeiss Meditec Ag | Method device and system for determining a system parameter of a laser beam treatment system |
EP1529504A1 (de) * | 2003-11-07 | 2005-05-11 | Alcon RefractiveHorizons, Inc. | Verfahren und System zur Optimierung wellenfrontgesteuerter refraktiver Laserchirurgie |
WO2007016033A1 (en) * | 2005-07-29 | 2007-02-08 | Alcon Refractivehorizons, Inc. | Laser corneal flap cutting system and associated methods |
US9248047B2 (en) | 2006-01-23 | 2016-02-02 | Ziemer Holding Ag | System for protecting tissue in the treatment of eyes |
EP2281500A1 (de) * | 2009-08-05 | 2011-02-09 | SIS AG, Surgical Instrument Systems | Ophthalmologische Messvorichtung und Messverfahren |
US8331048B1 (en) | 2009-12-18 | 2012-12-11 | Bausch & Lomb Incorporated | Methods of designing lenses having selected depths of field |
US10485655B2 (en) | 2014-09-09 | 2019-11-26 | Staar Surgical Company | Ophthalmic implants with extended depth of field and enhanced distance visual acuity |
US10881504B2 (en) | 2016-03-09 | 2021-01-05 | Staar Surgical Company | Ophthalmic implants with extended depth of field and enhanced distance visual acuity |
US10774164B2 (en) | 2018-08-17 | 2020-09-15 | Staar Surgical Company | Polymeric composition exhibiting nanogradient of refractive index |
US11427665B2 (en) | 2018-08-17 | 2022-08-30 | Staar Surgical Company | Polymeric composition exhibiting nanogradient of refractive index |
Also Published As
Publication number | Publication date |
---|---|
EP1513477A1 (de) | 2005-03-16 |
US7836892B2 (en) | 2010-11-23 |
US20110238045A1 (en) | 2011-09-29 |
AU2003273559A1 (en) | 2003-12-19 |
US8414567B2 (en) | 2013-04-09 |
JP2005527325A (ja) | 2005-09-15 |
US20060064078A1 (en) | 2006-03-23 |
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