Abstract: An optical system for a laser therapy instrument for the application of laser radiation on and in the eye, includes a femtosecond laser, an objective. The objective or at least one lens or lens group of the objective is shiftable in the direction of the optical axis being intended for shifting of the focus position from the region of the cornea to the region of the crystalline lens and vice versa. The optical system may include at least two optical assemblies designed for the axial variation of the focus of the therapeutic laser radiation, with the focus variation range ?z differing between the individual assemblies and a changing device, designed for the insertion of any one of these assemblies into the therapeutic laser beam path at a time.

Abstract: Using the present solution, it is possible both to determine optical aberrations and/or the topography and to simultaneously or immediately successively record reference images of an eye. Within the scope of the method, the eye is illuminated with different illumination patterns by means of an illumination unit, and the light reflected by the eye is recorded by a plenoptic camera sensor and evaluated by a control and evaluation unit. According to the invention, the eye is illuminated with different illumination patterns which differ in respect of their intensity distribution and illumination direction, the light reflected by the eye is imaged onto the plenoptic camera sensor and the topography and/or optical aberrations and/or reference images of the illuminated eye are determined from the image data of the plenoptic camera sensor on the basis of the utilized illumination pattern.

Abstract: The invention relates to a planning device for generating control data for a treatment apparatus, which by means 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 means of a laser device generates at least one cut surface in the cornea, and to a corresponding method for eye surgery. The planning device is thereby provided with calculating means for defining the corneal incision surfaces, wherein the calculation means determines the corneal incisions such that after inserting an implant into the cornea, existing refractive errors are counteracted.

Abstract: A method for centring a contact glass relative to a patient's eye includes a) providing a fixation light through a contact glass to align the patient's eye glass fixing on the fixation light; b) detecting an image of a light pattern that is imaged on the eye's surface; c) presenting the image over the eye with the contact glass with overlaying of virtual markings, wherein a first marking identifies the central axis of the contact glass and a second marking identifies a reference marking, which is derived from the image of the light pattern as lying on the central axis of the contact glass; d) laterally positioning the contact glass such that a distance between the markings is minimized; and e) establishing the position of the eye at which the second marking is located when the markings adopt the minimized distance and registering the position of the vertex.

Abstract: A device for isolating a lenticle in the cornea of an eye. The device includes: a laser beam source to emit pulsed laser radiation having a pulse frequency of 1.2 MHz to 10 MHz, a pulse energy of 1 nJ to 200 nJ and a wavelength penetrating the cornea; a beam-forming unit having beam optics with an image field and that bundles pulsed laser radiation into a focus located inside the image field, and which has a maximum diameter of less than 3 ?m; a beam-deflection unit shifting the focus in the cornea and inside the image field, the focus moving along a path when the image field is resting; and a control unit to control the source and the beam-forming unit to isolate the lenticle by specifying the path. The lenticle is delimited by a cut surface which is curved with regard to a front surface of the cornea.

Abstract: A device for isolating a lenticle in the cornea of an eye. The device includes: a laser beam source to emit pulsed laser radiation having a pulse frequency of 1.2 MHz to 10 MHz, a pulse energy of 1 nJ to 200 nJ and a wavelength penetrating the cornea; a beam-forming unit having beam optics with an image field and that bundles pulsed laser radiation into a focus located inside the image field, and which has a maximum diameter of less than 3 ?m; a beam-deflection unit shifting the focus in the cornea and inside the image field, the focus moving along a path when the image field is resting; and a control unit to control the source and the beam-forming unit to isolate the lenticle by specifying the path. The lenticle is delimited by a cut surface which is curved with regard to a front surface of the cornea.

Abstract: A treatment apparatus for operatively correcting myopia or hyperopia in an eye includes a laser device controlled by a control device and that separates the corneal tissue by applying a laser beam. The control device controls the laser device to emit the laser beam into the cornea such that a lenticule-shaped volume is isolated in the cornea. The control device, when controlling the laser device, predefines the lenticule-shaped volume such that the volume has a minimum thickness of between 5 and 50 ?m. For myopia correction, the minimum thickness occurs on the edge of the volume, and for hyperopia correction the minimum thickness occurs in the region of the visual axis.

Abstract: A method of refraction-correcting ophthalmic surgery in tissue of an eye after at least one previous ophthalmic surgery in the tissue, comprising accessing information on a pre-operative cut and defining a cut surface on the basis of the information on the pre-operative cut of the at least one previous ophthalmic surgery of the tissue of the eye.

Abstract: A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature RCV* to determine the control data, the cornea reduced by the volume having the radius of curvature RCV* and the radius of curvature being site-specific and satisfying the following equation: RCV*(r,?)=1/((1/RCV(r,?))+BCOR(r,?)/(nc?1))+F, wherein RCV(r,?) is the local radius of curvature of the cornea before the volume is removed, nc is the refractive index of the material of the cornea, F is a coefficient, and BCOR(r,?) is the local change in refractive force required for the desired correction of defective vision in a plane lying in the vertex of the cornea, and at least two radii r1 and r2 satisfy the equation BCOR(r=r1,?)?BCOR(r=r2,?).

Abstract: An ophthalmological laser therapy system including an apparatus main body and a laser device which is arranged in the apparatus main body and in a laser arm. The laser arm is arranged on the apparatus main body and includes a lighting arrangement. The invention furthermore relates to a planning device and a planning method for planning a laser therapy on an ophthalmological laser therapy system. It seeks to provide an ophthalmological laser therapy system and a method, by which an optimal psychological (calming) effect can be facilitated for every patient. This calming effect is achieved by an ophthalmological laser therapy system whose laser arm has a lighting arrangement the color of which is variable on an individual basis, and by a corresponding planning device and a corresponding planning method.

Abstract: A planning device for generating control data for a treatment apparatus which produces at least one cut surface in the cornea by operation of a laser device, and to a treatment apparatus including a planning device of the specified type. Also, a method for generating control data for such a treatment apparatus, and a method of eye surgery. In this case, a rotation of the cut surface about an axis running substantially parallel to the ocular axis is facilitated during the determination of the cut surfaces.

Abstract: 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.

Abstract: A treatment device for the surgical correction of hyperopia in the eye comprising a laser device controlled by a control device. The laser device separating corneal tissue by applying laser radiation. The control device controls the laser device for emitting the laser radiation into the cornea such that a lenticule-shaped volume is isolated. Removal thereof effects the desired correction. The control device predefines the volume such that a posterior surface and an anterior surface are connected via an edge surface that has a width in projection along the visual axis that is wider than the one which a straight line in the same projection, that is perpendicular at the edge of the posterior or the anterior surface would have relative to the associated surface and connects the anterior surface to the posterior surface or to the perceived extension thereof.

Abstract: An optical system for a laser therapy instrument for the application of laser radiation on and in the eye, includes a femtosecond laser, an objective. The objective or at least one lens or lens group of the objective is shiftable in the direction of the optical axis being intended for shifting of the focus position from the region of the cornea to the region of the crystalline lens and vice versa. The optical system may include at least two optical assemblies designed for the axial variation of the focus of the therapeutic laser radiation, with the focus variation range ?z differing between the individual assemblies and a changing device, designed for the insertion of any one of these assemblies into the therapeutic laser beam path at a time.

Abstract: The present invention relates to a method for monitoring a functionality of an apparatus (100) for refractive surgery on an eye (2) using a laser beam (4). The method comprises a determination of at least one parameter of a preparation and/or implementation of a method for refractive surgery, wherein the preparation and/or the implementation of the method are carried out at least in part by the apparatus for refractive surgery using the laser beam (4). Further, the method comprises an analysis of the functionality of the apparatus (100) on the basis of the determined parameter of the preparation and/or the implementation of the method for refractive surgery.

Abstract: A planning device that generates control data for a treatment apparatus which produces at least one cut surface in the cornea by application of a laser device. The invention further relates to a treatment apparatus having a planning device of the aforementioned type. The invention further relates to a method for generating control data for this treatment apparatus, and also to a method for eye surgery, at least one cut surface being produced in the cornea by application of a treatment apparatus with a laser device. The planning device has a calculation application for defining corneal cut surfaces, including a lenticule cut and a cap cut, the incision being controlled by the control data such that mutually corresponding locations of the lenticule cut and cap cut are impinged by laser pulses at substantially the same time interval.

Abstract: 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.

Abstract: A planning device that generates control data for a treatment apparatus which produces at least one cut surface in the cornea by application of a laser device. The invention further relates to a treatment apparatus having a planning device of the aforementioned type and a method for generating control data for this treatment apparatus, and also to a method for eye surgery, at least one cut surface being produced by application of a treatment apparatus with a laser device. The planning device includes a calculation application that defined corneal cut surfaces, which facilitates a largely free assignment to geometric variables of the eye. The method for generating control data includes generating a control data record for the corneal cut surface that controls the laser device, wherein the planning device, during the determination of the cut surfaces, facilitates a largely free assignment to geometric variables of the eye.

Abstract: An ophthalmological laser therapy positioning device which facilitates accurate positioning of the laser therapy system vis-à-vis the patient's eye. The positioning device includes a first and a second recording unit, which provide recording data from different recording directions, a displacement unit that displaces the relative position of the eye vis-à-vis an optical opening of the laser therapy system on the basis of control commands, and a control unit that generates control commands on the basis of the recording data. The positioning device furthermore may include a display unit for displaying the recording data and an input unit for inputting input data, the control unit in this case generates control commands on the basis of the recording data and/or on the basis of the input data and to provide the control commands to the displacement unit. Corresponding positioning methods are also included.

Abstract: A device for producing control data for a laser device for the surgical correction of defective vision. The device produces the control data such that the laser emits the laser radiation such that a volume in the cornea is isolated. The device calculates a radius of curvature RCV* to determine the control data, the cornea reduced by the volume having the radius of curvature RCV* and the radius of curvature being site-specific and satisfying the following equation: RCV*(r,?)=1/((1/RCV(r,?))+BCOR(r,?)/(nc-1))+F, wherein RCV(r,?) is the local radius of curvature of the cornea before the volume is removed, nc is the refractive index of the material of the cornea, F is a coefficient, and BCOR(r,?) is the local change in refractive force required for the desired correction of defective vision in a plane lying in the vertex of the cornea, and at least two radii r1 and r2 satisfy the equation BCOR(r=r1,?)?BCOR(r=r2,?).