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Carl Zeiss Meditec Ag patents


Recent patent applications related to Carl Zeiss Meditec Ag. Carl Zeiss Meditec Ag is listed as an Agent/Assignee. Note: Carl Zeiss Meditec Ag may have other listings under different names/spellings. We're not affiliated with Carl Zeiss Meditec Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "C" | Carl Zeiss Meditec Ag-related inventors


Intraocular lens cartridge having a lubricant feed duct and injector incorporating said cartridge

A cartridge accommodates an intraocular lens and includes first and second cartridge parts pivotally moveable relative to each other to define an open state and a closed state. The first cartridge part has a first base element and a first plate-like wing extending from the first base element. ... Carl Zeiss Meditec Ag

Operating microscope having an image sensor and a display, and method for operating an operating microscope

An operating microscope produces an observation image of an object region for an observer. The operating microscope has an eyepiece for observing the observation image of the object region in an intermediate image plane and it contains an imaging optical unit for producing an optical image of the object region in the intermediate image plane by way of an optical object region imaging beam path that is guided from the object region into the intermediate image plane. ... Carl Zeiss Meditec Ag

Microscopy system and microscopy method for quantifying a fluorescence

A microscopy method for quantifying a fluorescence of protoporphyrin ix includes: imaging an object region onto a first detector field and a second detector field, wherein a first optical filter and a second optical filter, respectively, are arranged in the beam paths between the object region and the detector fields, the first optical filter and second optical filter respectively having a wavelength-dependent transmission characteristic; exciting at least a first fluorescence of protoporphyrin ix and a second fluorescence; recording first images and second images; and determining a spatially dependent fluorescence intensity of the first fluorescence in the object region by virtue of determining values representing a fluorescence intensity at locations in the object region, wherein the values are determined on the basis of the radiation intensities of the two detector fields detected in a spatially dependent manner and the spatially dependent wavelength-dependent detection efficiencies of the two detector fields.. . ... Carl Zeiss Meditec Ag

Alignment improvements for ophthalmic diagnostic systems

The present application describes the addition of various feedback mechanisms including visual and audio feedback mechanisms to an ophthalmic diagnostic device to assist a subject to self-align to the device. The device may use the visual and non-visual feedback mechanisms independently or in combination with one another. ... Carl Zeiss Meditec Ag

Ophthalmological laser system

An ophthalmological laser system for photodisruptive irradiation of ocular tissue, including a crystalline lens or a cornea. The system includes an ultra-short pulse laser, the radiation of which is focusable as illumination light via an illumination beam path including a scanner unit and focusing optics. ... Carl Zeiss Meditec Ag

Method for determining the topography of the cornea of an eye

A method for determining the topography of the cornea of an eye on the basis of an optical, contactless data capture. In the method for determining the topography of the cornea of an eye, which is based on a deflectometric method, the deflectometric measurements are carried out with the aid of a keratometric method by virtue of additional oct-based scans being made at the keratometric measurement points, wherein the two measurement systems are registered to one another and both the keratometric and the oct-based measurement values are recorded and used for mutual calibration to determine and output the topographic data. ... Carl Zeiss Meditec Ag

Method for classifying the cataract of an eye

A method for classifying a cataract of an eye to determine parameters for pre-setting phaco-treatment instruments. Oct-based measurements are realized. ... Carl Zeiss Meditec Ag

Postoperative modification of an intraocular lens

Systems and methods for localizing intraocular lens and/or existing refractive index patterns, to laser write-patterns, and to refractive index patterns in order to modify the refractive index by application of femtosecond laser pulses. Oct-based confocal detection and sectional image systems are provided for localization purposes, the systems being particularly suitable for the detection of phase patterns in addition to the localization of the iol. ... Carl Zeiss Meditec Ag

Intraocular lens supply system comprising a heating element

An intraocular lens supply system is provided. The intraocular lens supply system includes a housing and a cartridge. ... Carl Zeiss Meditec Ag

Opthalmologic therapy system and method for processing a portion of a processing volume of a transparent material by application of focused radiation

A system for processing a portion in a processing volume of a transparent material by application of focused radiation including a device for generating and an optical system for focusing radiation, with a device for changing the position of the focus of the radiation and a control device. This system performs a slow scanning movement of the focus and an independent fast scanning movement of the focus which section can be moved by the slow scanning movement in the entire processing volume in an arbitrary direction; as well as by a system into which a scan pattern is encoded, with scanning movement including at least one lateral base component in the x- and/or y-direction, which is superimposed by components with synchronous change-of-direction-movements in the z-direction and in x-direction and/or y-direction. ... Carl Zeiss Meditec Ag

Method and device for examining a biological tissue by analysing fluorescence response to illumination and for treating the tissue

Method, and the associated device, for examining a biological tissue, in particular dental tissue or tooth enamel of one or several teeth, the method including the steps of taking into account at least the fluorescence of the tissue detected in a first wavelength range and the fluorescence of the tissue detected in a second wavelength range. The device can be a surgery microscope with one or several filters. ... Carl Zeiss Meditec Ag

Treatment and diagnostic systems for the eye

The invention refers to a system to treat and/or diagnose a patient's eye. The system in this invention comprises several devices for the treatment and/or diagnosis of the eye as well as means for the logical linking of the devices with each other, such as systems for the spatial positioning of the devices relative to each other, configurations for the positioning of the patient and the eye to be treated relative to the respective devices, systems for the controlled supply of the devices with power and auxiliary power, and/or notification tools to transmit information or control commands between the above-mentioned devices, units, configurations and systems, and to put out information.. ... Carl Zeiss Meditec Ag

Surgical microscope and device for switching the same among multiple working modes

The invention is directed to a surgical microscope and a device for switching the same among multiple working modes. The device includes an illumination rotary member and an observation rotary member that are arranged, respectively, in the illumination beam path and the observation beam path of the surgical microscope and are drivable by the same power source to rotate synchronously among multiple rotary positions corresponding to the multiple working modes. ... Carl Zeiss Meditec Ag

Optical filter system and fluorescence detection system

An optical detection filter has a transmission spectrum for detecting fluorescence light of a plurality of different fluorescent dyes. In the range between 350 nm and 1000 nm, the transmission spectrum has a first stopband (ds1) from dλ1 to dλ2, a first passband (dd1) from dλ2 to dλ3, a second stopband (ds2) from dλ3 to dλ4, a second passband (dd2) from dλ4 to dλ5, a third stopband (ds3) from dλ5 to dλ6, and a third passband (dd3) from dλ6 to dλ7. ... Carl Zeiss Meditec Ag

06/28/18 / #20180177637

Surgical device and surgical method

A surgical instrument system for ophthalmic surgery in an eye is provided, comprising: an oct apparatus including an interferometer; an optical fiber coupled to the oct apparatus and extending a probe arm of the interferometer; a hand tool comprising: a hand piece, a tube extending away from the hand piece and comprising a distal end portion having a longitudinal axis, wherein a distal portion of the optical fiber is received within the tube; a beam emitter coupled to a tip end of the optical fiber and configured to emit an oct measuring beam into an emission direction; and an actuator configured to change the emission direction of the oct measuring beam relative to a tip end of the distal end portion.. . ... Carl Zeiss Meditec Ag

06/28/18 / #20180177630

Systems and methods for a laser assisted eye treatment

A computer program product for controlling a laser-assisted eye treatment, configured to encode a system controller with a routine for planning the eye treatment, invention further relates to a laser-assisted eye treatment system including a laser treatment unit and a system controller, to a method for generating control data for a laser-assisted eye treatment system, to a planning method for a laser-assisted eye treatment and to an eye treatment method using a laser beam for treating a patient's eye. The invention provides systems and methods for a fast laser-assisted eye treatment of a patient's eye which improve the security and minimize the risk of a non-optimal eye treatment and enable sale eye treatment planning and a shortening of the critical phase of the eye treatment. ... Carl Zeiss Meditec Ag

06/21/18 / #20180168859

Laser instrument for eye therapy

A laser instrument for therapy on the human eye, designed for surgery of the cornea, the sclera, the vitreous body or the crystalline lens, especially suitable for use in immediate succession with other instruments for eye diagnosis or eye therapy, in such a way that during the alternating use of the various instruments, the eye or at least the patient preferably remains in a predetermined position and alignment within one and the same treatment area.. . ... Carl Zeiss Meditec Ag

05/24/18 / #20180140185

Method for the optimized prediction of the postoperative anatomical position of an intraocular lens implanted in a pseudophakic eye

Postoperative lens position is predicted on the basis of known measured values, such as the corneal thickness, the depth of the anterior chamber, the eye length, and the distances of the capsular bag equator and/or of the lens haptic from the anterior surface of the lens. In addition, the calculation also takes into account the attitude of the intraocular lens, for which purpose additional parameters of the pseudophakic eye are used that have not previously been taken into consideration. ... Carl Zeiss Meditec Ag

05/17/18 / #20180136450

Method for presenting images of a digital surgical microscope and digital surgical microscope system

The invention relates to a method for presenting images recorded by means of a digital surgical microscope system (10). An image is thereby produced on an image sensor (13) by means of an image recording unit (12) and the image recorded by the image sensor (13) is reproduced for a user (5), at least in certain regions, on a display unit (18). ... Carl Zeiss Meditec Ag

05/10/18 / #20180125708

Ophthalmological laser therapy device

An ophthalmological laser therapy device including a laser system, an x-y scanner, collecting optics and a z-scanner. The invention also relates to a method for processing a tissue of an eye by a therapeutic laser beam of an ophthalmological laser therapy device. ... Carl Zeiss Meditec Ag

05/10/18 / #20180125360

Operating microscope

An operating microscope (2, 48) for observing an eye (77) is provided. The operating microscope (2, 48) comprises a main objective (5) and a fundus imaging system (71) that is positionable in the beam path (7) between the eye (77) and the main objective (5), said fundus imaging system having an ophthalmoscopy magnifier (73). ... Carl Zeiss Meditec Ag

05/03/18 / #20180116874

Re-treatment for ophthalmic correction of refraction

A planning device generating control data for a treatment apparatus for refraction-correcting ophthalmic surgery is provided, said apparatus using a laser device to separate a corneal volume, which is to be removed for correction, from the surrounding cornea by at least one cut surface in the cornea of an eye, said planning device comprising an interface for receiving corneal data including information on pre-operative cuts which were generated in a previous ophthalmic operation, and computing means for defining a corneal cut surface which confines the corneal volume to be removed, said computing means defining the corneal cut surface on the basis of the corneal data and generating a control dataset for the corneal cut surface for control of the laser device.. . ... Carl Zeiss Meditec Ag

04/19/18 / #20180103841

Systems for visual field testing

Systems for visual field testing are described. One example system for testing the visual function of a patient includes a display, optics, a variable focus lens, a response detection system, and a processor. ... Carl Zeiss Meditec Ag

04/05/18 / #20180092511

Medical apparatus

A medical apparatus includes a control device, a motion sensor, via which a motion value is determinable, a position sensor, via which an angular position in space is detectable, and a time measuring device, via which a time interval is determinable. The control device is embodied in such a way that a switch-off signal is producible if, during the entire time interval, the motion value remains below a threshold and, at the same time, the position sensor detects an inclination angle relative to a repository plane that lies in a defined repository angle range.. ... Carl Zeiss Meditec Ag

03/22/18 / #20180078411

Ophthalmological laser therapy device and method for calibration

An ophthalmological laser treatment device including a laser system, an examination system for collecting information on the structure of the eye, a positioning system for controlling a therapy laser beam and electromagnetic or mechanical examination waves and a patient interface. The invention further relates to a calibration method and to a treatment method. ... Carl Zeiss Meditec Ag

03/08/18 / #20180064332

Eye surgery system

An eye surgery system 1 comprises microscopy optics 3 and an oct device 5 to generate a light-optical image and an oct image of an eye fundus 11, a controller 29 and a visualization system 13, 41, 83. The controller comprises a data interface 97 for receiving a preoperative oct image and may control the visualization system to display a representation of the received preoperative oct image. ... Carl Zeiss Meditec Ag

02/15/18 / #20180042770

Control device for a phacoemulsification system and phacoemulsification system comprising such a control device

A control apparatus for a phacoemulsification system is disclosed. The control apparatus is configured to supply electrical energy to an actuator for a phaco needle during a plurality of time intervals, wherein the time intervals includes a first time interval, in which electrical energy for pulses with a constant maximum amplitude is supplied, a second time interval following the first time interval, wherein electrical energy with a value equal to zero is supplied, and a third time interval following the second time interval, wherein the third time interval has a first time duration in which electrical energy for pulses which have a lower constant amplitude than the maximum amplitude during the first time interval is supplied.. ... Carl Zeiss Meditec Ag

01/25/18 / #20180020912

Optical coherence tomography for measurement on the retina

An optical coherence tomograph that provides wavelength tunable source radiation and an illumination and measurement beam path, a dividing element that divides source radiation into illumination radiation and reference radiation, and collects measurement radiation. The illumination and measurement beam path has scanner. ... Carl Zeiss Meditec Ag

01/18/18 / #20180014727

Method and apparatus for reducing scattered light in broad-line fundus imaging

Methods and apparatuses for fundus imaging are presented that use sequential selective illumination patterns to suppress unwanted reflections, scattering and haze from various optical components of a fundus-viewing instrument. This is particularly the case with those unwanted reflections produced by the objective lens contained within said instrument.. ... Carl Zeiss Meditec Ag

12/07/17 / #20170351007

Optical element and method of making an optical element

A method for producing an optical element having a main body with a first side surface, which has a first optical coating, and at least one second side surface, which is not plane-parallel to the first side surface and has a second optical coating, is proposed. The method includes the steps of: determining the stress induced in the optical element by the first optical coating of the first side surface; determining a counter-stress, so that the resultant overall stress induced in the optical element is as small as possible; determining the second optical coating while taking into account the determined counter-stress and the optical parameters of the second optical coating; applying the first optical coating on the first side surface; and, applying the second optical coating on the at least one second side surface.. ... Carl Zeiss Meditec Ag

11/30/17 / #20170340483

Systems for short pulse laser eye surgery

A system for short pulse laser eye surgery and a short pulse laser system, in which a beam guidance device passes through a corresponding articulated arm, and through an applicator head and a microscope head of the system, which is movable in a three-dimensional volume both independently of one another as well as connected to each other. The system also includes, an easy-to-use patient interface with a one-piece contact element, a computer program product for methods of the incision guidance and sequentially operating referencing methods with patient interfaces containing markings.. ... Carl Zeiss Meditec Ag

11/30/17 / #20170340201

Device and method for fixing a relative geometric position of an eye

A device and a method for fixing a relative geometric position of an eye with respect to an ophthalmological diagnosis and/or therapy system. A device having a container with upper edge designed to produce a mechanically fixed connection between the container and the ophthalmological diagnosis and/or therapy system, and a lower edge which can be placed with a form fit onto the eye, and a clamping mechanism for producing a force-fit connection of the container to the eye, wherein the clamping mechanism has a movable connection to the container is a fixed rotation point or a fixed rotation axis in a jacket area of the container, and by a corresponding method.. ... Carl Zeiss Meditec Ag

11/16/17 / #20170332065

System for the stereoscopic visualization of an object region

. . Presented herein are methods and systems for visualizing an object region. The system including an electronic image capturing device, comprising an optical assembly, which provides a first optical channel for a first imaging beam path imaging the object region on a first sensor area of the image capturing device and a second optical channel for a second imaging beam path imaging the object region on a second sensor area of the image capturing device and which contains a microscope main objective system, through which the first imaging beam path and the second imaging beam path pass, comprising a first image producing device for the visualization of the object region for a first observer, to whom a first image of the object region, captured on the first sensor area, and a second image of the object region, captured on the second sensor area, are suppliable, and comprising a second image producing device for visualizing the object region for a second observer.. ... Carl Zeiss Meditec Ag

10/12/17 / #20170290657

Multifocal intraocular lens with extended depth of field

Multifocal intraocular lens with extended depth of field that comprises, in at least one of the surfaces (2), a small zone with a multifocal profile with a defined optical axis (3) and, in the peripheral region and coaxial to the multifocal zone, a ring-shaped opaque mask (1) that partially or totally block light to produce a small aperture effect and, therefore, the multifocal profile has a radius equal or larger than the internal radius of the mask (1), and there is at least one transition between focal zones or one diffractive step inside the internal radius of the mask (1).. . ... Carl Zeiss Meditec Ag

10/05/17 / #20170281335

Intraocular lens with single lens telescope integrated in the optical part thereof

An intraocular lens is provided. The intraocular lens includes an optical part and an adjoining haptic part. ... Carl Zeiss Meditec Ag

09/21/17 / #20170266047

Creating cuts in a transparent material using optical radiation

A method for creating cuts in a transparent material using optical radiation, the optical radiation being focused onto the material in a focal point and the focal point being shifted along a curve: a simple or double harmonic curve is used when seen at a right angle to a main direction of incidence of the radiation and preferably successively traveled curves do not lie on top of each other.. . ... Carl Zeiss Meditec Ag

08/31/17 / #20170245755

System for optical coherence tomography, comprising a zoomable kepler system

The invention relates to an optical system for examining an eye by means of optical coherence tomography. The oct system is designed in such a way that at least a first and a second state of the optical system can be selectively set by controlling the variable optical unit. ... Carl Zeiss Meditec Ag

08/24/17 / #20170240195

Carrying arrangement for carrying a medical apparatus

Carrying arrangement for carrying apparatuses, in particular medical apparatuses, having a base carrier on which at least three roller elements are arranged in order to move the carrying arrangement with respect to a floor surface. The roller elements are each rotatable about first axes of rotation (d). ... Carl Zeiss Meditec Ag

08/10/17 / #20170224208

Optical coherence tomography for performing measurements on the retina

An optical coherence tomograph includes a wavelength tunable illuminating device, an illumination and measurement beam path with a dividing element and a scanner and a front optical unit and a reference beam path, a detection beam path and a flat panel detector. A beam splitter conducts the separated measurement radiation to the detection beam path and an optical element acts only on the illumination radiation. ... Carl Zeiss Meditec Ag

08/03/17 / #20170216096

Device and method for vitreous humor surgery

A device and a method for the femtosecond laser surgery of tissue, especially in the vitreous humor of the eye. The device includes an ultrashort pulse laser with pulse widths in the range of approximately 10 fs-1 ps, especially approximately 300 fs, pulse energies in the range of approximately 5 nj-5 μj, especially approximately 1-2 μj and pulse repetition rates of approximately 10 khz-10 mhz, especially 500 khz. ... Carl Zeiss Meditec Ag

08/03/17 / #20170216093

Ophthalmosurgical system

The invention is directed to an ophthalmosurgical system which includes a console for accommodating an irrigation fluid vessel containing irrigation fluid and a cassette, insertable into the console, for directing the irrigation fluid to a surgical instrument for an eye to be treated. An irrigation fluid flow path leads from the irrigation fluid vessel to the cassette and to the surgical instrument. ... Carl Zeiss Meditec Ag

08/03/17 / #20170216091

Method for eye surgical procedure

A planning device for generating control data for a treatment apparatus, which by application of a laser device generates at least one cut surface in the cornea, and to a treatment apparatus having such a planning device. The invention further relates to a method for generating control data for a treatment apparatus, which by application of a laser device generates at least one cut surface in the cornea, and to a corresponding method for eye surgery. ... Carl Zeiss Meditec Ag

08/03/17 / #20170215982

Weight module for a stand base for a surgical microscope

The stand base is for a surgical microscope. The stand base is for setting up on a floor configured as a planar surface and includes at least a first weight module; a base body defining an underside and accommodating the first weight module; a support arrangement connected to the base body and supporting the stand base with at least three support points in contact engagement with the floor to permit setting up the stand base; the support points conjointly defining a support plane whereat the support points are in contact engagement with the floor; the underside of the base body facing toward the support plane; an ancillary body; the base body having a receiving arrangement in the underside for releasably accommodating the ancillary body; and, the underside of the base body and the support plane conjointly defining a smallest spacing therebetween which is greater than 10 cm.. ... Carl Zeiss Meditec Ag

07/27/17 / #20170209042

Surgical system having an oct device

A system for performing a surgical procedure includes an oct unit for scanning an object region volume with an oct scanning beam and a control unit for setting the position of the object region volume. A surgical instrument having an effective section is arrangeable in an object region of the object region volume and is localizable in the object region volume with the oct unit. ... Carl Zeiss Meditec Ag

07/13/17 / #20170198856

Stand and method for torque compensation

A stand, for example, for mounting a medical instrument, has a first part and second part which is connected to the first part in a rotationally movable manner via a rotary joint and can be moved relative to the first part about an axis of rotation. The stand includes a drive module supported on the first part. ... Carl Zeiss Meditec Ag

07/06/17 / #20170188826

Apparatus for determining and quantifying the staining of ocular structures and method therefor

An apparatus has an image capture sensor which captures a reference image of a retro-illuminated unstained capsule of an eye. After the ocular structure has been stained with a dye for an ophthalmic surgical procedure a second image is captured as a measurement image via the image capture sensor. ... Carl Zeiss Meditec Ag

07/06/17 / #20170188821

Topography module for opthalmological devices with a distance-independent keratometer and method for the use thereof

A module for ophthalmological devices which enables ophthalmological devices to carry out keratometry and topography measurements of the eye. The proposed topography module is provided for ophthalmological devices with a distance-independent keratometer. ... Carl Zeiss Meditec Ag

07/06/17 / #20170188820

Imaging system

Imaging systems are provided allowing examination of different object regions spaced apart in a depth direction by visual microscopy and by optical coherence tomography. An axial field of view and a lateral resolution is varied depending on which object region is examined by the imaging system. ... Carl Zeiss Meditec Ag

07/06/17 / #20170188819

Imaging system

Imaging systems are provided allowing examination of different object regions spaced apart in a depth direction by visual microscopy and by optical coherence tomography. An axial field of view and a lateral resolution is varied depending on which object region is examined by the imaging system. ... Carl Zeiss Meditec Ag

06/29/17 / #20170181624

Flexible, multimodal retina image recording system and measurement system

A fundus camera with an oct measurement module, in which, after the focusing objective, a mirror switches the light to be detected either to the oct measurement module or an image detector. This design also renders it possible to carry out a method for improved focusing in order to improve the recording quality of the individual modalities. ... Carl Zeiss Meditec Ag

06/29/17 / #20170181620

Method for determining corneal astigmatism using optical coherence tomography

A method for detecting refractive errors in the eye that are attributable to a suboptimal surface shape of the front surface and/or rear surface of the cornea. An oct volume scan and/or one or more oct line scans of the front eye section are carried out; using the measured values, the front and rear surface of the cornea are detected by an edge detection process; the topography of the front and rear surface of the cornea are determined; and refractive errors are determined from said topographies.. ... Carl Zeiss Meditec Ag

06/15/17 / #20170165026

Medical apparatus with a medical optical appliance and a holding device and method for operating the medical apparatus

. . The invention relates to a medical apparatus having a medical optical appliance and a holding device with at least two holding arms which are connected movably to one another with at least one degree of freedom of movement via a joint and with an actuator which is connected to the two holding arms in such a way that a force can be exerted via the actuator between the two holding arms in the direction of the degree of freedom of movement. A control unit comprises a first regulator for outputting a first control signal to the actuator via an adjusting element. ... Carl Zeiss Meditec Ag

06/15/17 / #20170164828

Method for the optimized prediction of the postoperative anatomical position of an intraocular lens implanted in a pseudophakic eye

Postoperative lens position is predicted on the basis of known measured values, such as the corneal thickness, the depth of the anterior chamber, the eye length, and the distances of the capsular bag equator and/or of the lens haptic from the anterior surface of the lens. In addition, the calculation also takes into account the attitude of the intraocular lens, for which purpose additional parameters of the pseudophakic eye are used that have not previously been taken into consideration. ... Carl Zeiss Meditec Ag

06/08/17 / #20170156583

Ophthalmic surgical apparatus for inserting intraocular lenses in eyes

An ophthalmic surgical apparatus including: a control device; a user interface which, at least intermittently, has data communication with the control device; a first measuring device configured for determining at least one value intraoperatively, the value being characteristic for an eye to be treated by surgery; a second measuring device configured for determining at least one value preoperatively and/or intraoperatively, the value being characteristic for the eye to be treated by surgery, and including a first computing unit which is suitable and intended, using the value determined intraoperatively and the value determined preoperatively and/or intraoperatively, for ascertaining at least one first output value which is characteristic for at least one intraocular lens to be selected, wherein the user interface at least preferably includes an output device suitable for outputting the output value or a value derived therefrom.. . ... Carl Zeiss Meditec Ag

05/18/17 / #20170135768

Treatment apparatus for a subretinal injection and method for assisting in a subretinal injection

. . A treatment apparatus for a subretinal injection into an eye includes a 3d imaging device configured to generate a 3d image of a retina and a choroid of the eye. The apparatus has a planning device for inputting at least one set position for an injection instrument to be used for the injection. ... Carl Zeiss Meditec Ag

05/11/17 / #20170128265

Vitrector having a rotating cutter head

A device for treating eyes, the device having a lance-like housing which extends along a longitudinal direction (l) and can be inserted into an area of the eye to be treated. The device further includes at least one cutter element, which is arranged at least partially inside the housing and is movable relative to the housing. ... Carl Zeiss Meditec Ag

05/11/17 / #20170128262

Ophthalmological device

An ophthalmic instrument for the application of laser radiation in a patient's eye, particularly for the examination and/or surgical laser treatment of the cornea and the lens of the eye, includes a femtosecond laser, an objective and optical assemblies. The optical assemblies are arranged in front of the objective, and selectively vary the focus position in the coordinate direction x,y and z either within the region of the cornea or within the region of the lens of the eye. ... Carl Zeiss Meditec Ag

04/20/17 / #20170105618

Improved frequency-domain interferometric based imaging systems and methods

Systems and methods for improved interferometric imaging are presented. One embodiment is a partial field frequency-domain interferometric imaging system in which a light beam is scanned in two directions across a sample and the light scattered from the object is collected using a spatially resolved detector. ... Carl Zeiss Meditec Ag

03/30/17 / #20170087021

Eye surgical procedure

A planning system for generating control data for a treatment device for eye surgery that creates at least two incision surfaces in the cornea using a laser apparatus is provided. The planning system includes a processor configured to specify the cornea incision surfaces based on data of a refractive correction, the cornea incision surfaces including an lenticule incision and a cap incision, at least one of the cap incision or the lenticule incision being irregularly shaped and having extensions to the surrounding tissue, and generate a control data record for the cornea incision surfaces for purposes of controlling the laser apparatus.. ... Carl Zeiss Meditec Ag

03/30/17 / #20170087020

Eye surgery procedure

A planning apparatus for generating control data for an eye surgery treatment device which creates at least one cut surface in the cornea using a laser device. The planning apparatus includes a calculation tool for determining the at least one cut surface in the cornea. ... Carl Zeiss Meditec Ag

03/23/17 / #20170082847

Surgical microscope having a data unit and method for overlaying images

A surgical system has a surgical microscope with an imaging optical unit and a control unit for setting imaging parameters of the microscope. The system further has an image processing device for overlaying an overlay image stored in the image processing device with an image generated by the microscope. ... Carl Zeiss Meditec Ag

03/09/17 / #20170065172

Surgical microscope

A surgical microscope for imaging structures of an eye includes: a front optical unit, an illumination device which has an illumination-radiation-emitting illumination source and which illuminates the retina of the eye with an illumination spot via an illumination beam path which extends through the front optical unit, a camera and an adjustable camera optical unit disposed upstream thereof, an imaging beam path which extends through the front optical unit and the camera optical unit, and a control device which controls the camera optical unit and sets the latter in such a way that the retina of the eye in the region of the illumination spot is imaged on the camera. The control device varies a focusing state of the camera optical unit and, as a result thereof, records a plurality of images of the retina in the region of the illumination spot, the images being focused in different depth planes, and establishes a refractive value of the eye from these images.. ... Carl Zeiss Meditec Ag

03/02/17 / #20170056244

Device for machining an object by application of laser radiation

A device for machining an object by laser radiation, by photodisruption. The device includes an observation device for imaging the object and a laser scanning device by which the laser radiation is passed over a predetermined sector of the object for scanning the sector. ... Carl Zeiss Meditec Ag

03/02/17 / #20170055821

Method for visualizing a membrane on a retina of an eye and surgical microscope for performing the method

A method for visualizing a membrane on a retina of an eye includes recording a first image of the retina of the eye, wherein the membrane on the retina of the eye is not stained, recording a second image of the retina of the eye after the membrane on the retina of the eye has been stained, determining a first transformation such that mutually corresponding structures of the retina of the eye are located at mutually corresponding places in the second image and in the first image which was transformed with the first transformation, identifying image regions in the second image, which contain the membrane on the retina, based on the transformed first image and the recorded second image, and displaying the second image such that the identified image regions in the second image are highlighted relative to the surroundings of the identified image regions.. . ... Carl Zeiss Meditec Ag

02/23/17 / #20170049621

Process and system for material removal

An arrangement including an air conveying device and a suction device guiding an air flow across a site for a duration of a process. The direction of air flowing towards the surface and a tangent to the surface at the ablation site intersect at an angle. ... Carl Zeiss Meditec Ag

02/23/17 / #20170049323

Systems and methods for broad line fundus imaging

Systems and methods for broad line fundus imaging (blfi), an imaging approach that is a hybrid between confocal and widefield imaging systems, are presented. These systems and methods are focused on improving the quality and signal of broad line fundus images or imaging methods to create high contrast and high resolution fundus images. ... Carl Zeiss Meditec Ag

02/09/17 / #20170035286

Enhanced vessel characterization in optical coherence tomograogphy angiography

Systems and methods to improve the visualization of vasculature in oct angiography data are presented. In one embodiment, vessels having a particular orientation relative to one or more reference surfaces are highlighted. ... Carl Zeiss Meditec Ag

02/02/17 / #20170027748

Laser treatment device

An adapter for coupling a laser treatment device to an object for treatment. The adapter has an input side, which may be fixed relative to the laser treatment device, by a locking mechanism and which may be fixed to the object, for alignment of the object relative to the laser treatment device. ... Carl Zeiss Meditec Ag

01/26/17 / #20170020733

Method and apparatus for precision working of material

A method for precise working of material, particularly organic tissue, comprises the step of providing laser pulses with a pulse length between 50 fs and 1 ps and with a pulse frequency from 50 khz to 1 mhz and with a wavelength between 600 and 2000 nm for acting on the material to be worked. Apparatus, in accordance with the invention, for precise working of material, particularly organic tissue comprising a pulsed laser, wherein the laser has a pulse length between 50 fs and 1 ps and with a pulse frequency of from 50 khz to 1 mhz is also described.. ... Carl Zeiss Meditec Ag

01/12/17 / #20170007446

Method and device for measuring the position of an eye

A device for measuring the position of an eye of a mammal. To determine a positional change of the eye between two time points, the device comprises: at least one optical coherence tomograph for generating images of at least a part of the retina at the two time points and for emitting corresponding image data and an image processing device which is designed to compare the image data assigned to the two time points and to determine an angle of rotation between the images, wherein the image processing device is additionally designed to output the angle of rotation as information about a cyclotorsion of the eye between the two time points.. ... Carl Zeiss Meditec Ag

01/12/17 / #20170007117

Apparatus for determining ametropia of an eye

An apparatus for determining ametropia of an eye includes an optical assembly with a light source, a detector, a plurality of optical elements and at least one stray light stop and a controller. An illumination beam path is provided between the light source and an optical interface in order to allow illumination light generated by the light source to emerge from the optical interface. ... Carl Zeiss Meditec Ag

01/12/17 / #20170007114

Method for determining the power of an intraocular lens

A method for calculating the power of an intraocular lens including measuring an axial separation between the front surface of the cornea and the plane of the iris root; and determining the power of the intraocular lens using the measured axial separation together with other measured parameters and empirically determined lens constants.. . ... Carl Zeiss Meditec Ag








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