Abstract: An arrangement for OCT-based laser treatment of vitreous floaters. The arrangement for OCT-based laser vitreolysis includes an OCT system, a laser system having a deflection unit, optical elements that couple the OCT system and the laser system, a display unit and a central control and operating unit. The OCT system is configured to localize the floaters, the laser system is configured to destroy the floaters by application of laser pulses and the central control and operating unit is configured to determine apart from the coordinates of the localized floaters also their distance to structures of the eye, to derive exclusion criteria for the treatment, to align the deflection unit of the laser system to these coordinates and to focus and activate the laser system. The present invention relates to an arrangement for the gentle, low risk and painless laser treatment of vitreous floaters, which enables partially or fully automated therapy.

Abstract: An apparatus for producing incisions in the interior of an eye. In this case, the apparatus contains an image recording device embodied to record at least part of the image field and an image evaluation device embodied to evaluate recordings of the image recording device and produce signals for the control device and/or the operator. Furthermore, a method for producing incisions in the interior of an eye, wherein an image recording device is used to record at least part of the image field and an image evaluation device evaluates the recordings of the image recording device and produces signals for the control device and/or the operator.

Abstract: A planning device for generating control data, a treatment apparatus for refraction correction eye surgery and a method for generating control data for such a treatment apparatus which allows an improved subsequent refraction correction. The planning device includes a calculation processor for defining a cut surface of the cornea for post-treatment, wherein the calculation device is designed such that a change of thickness of the epithelium is taken into account in the calculation, which was caused essentially by a pretreatment.

Abstract: An arrangement for OCT-based laser treatment of vitreous floaters. The arrangement for OCT-based laser vitreolysis includes an OCT system, a laser system having a deflection unit, optical elements that couple the OCT system and the laser system, a display unit and a central control and operating unit. The OCT system is configured to localize the floaters, the laser system is configured to destroy the floaters by application of laser pulses and the central control and operating unit is configured to determine apart from the coordinates of the localized floaters also their distance to structures of the eye, to derive exclusion criteria for the treatment, to align the deflection unit of the laser system to these coordinates and to focus and activate the laser system. The present invention relates to an arrangement for the gentle, low risk and painless laser treatment of vitreous floaters, which enables partially or fully automated therapy.

Abstract: The invention relates to a method for producing control data for correcting the refraction of an eye (2) by corneal modification, comprising the steps of receiving data about a refraction correction need for the eye (2), determining, on the basis of the refraction correction need, an additive refraction alteration value by an implant (26) to be inserted into the cornea (17), determining a subtractive refraction alteration value by a lenticule (21) to be removed from the cornea (17), the additive refraction alteration value and the subtractive refraction alteration value together yielding the refraction correction need, calculating a lenticule (21) to be isolated in the cornea (17), the calculation being implemented in such a way on the basis of the subtractive refraction alteration value that the lenticule (21) is embodied to bring about the subtractive refraction alteration value as a result of being removed from the cornea (17).

Abstract: An apparatus for producing incisions in an interior of an eye. For example, the apparatus includes an image recording device that records at least part of the image field and an image evaluation device that evaluates recordings of the image recording device and produces signals for the control device and/or the operator. Furthermore, the invention relates to a method for producing incisions in the interior of an eye, wherein an image recording device is used to record at least part of the image field and an image evaluation device evaluates the recordings of the image recording device and produces signals for the control device and/or the operator.

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 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: A device that produces control data for a laser device for surgical correction of vision produces control data such that the laser emits the laser radiation to isolate a volume in the cornea. The device calculates 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 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 refraction required for the desired correction of 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: 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: 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: The invention relates to a beam splitting device (10) for generating a plurality of laser output beams (90-93) from one laser input beam (60), wherein: the beam splitting device (10) has a first beam multiplier element (20) for generating two intermediate beams (75, 76) from the laser input beam (60); the first beam multiplier element (20) has a first polarising beam splitter (22, 42), a second polarising beam splitter (24, 44) and at least one first deflection element (26, 46) for deflecting an intermediate beam (76) by a specified angle: the beam splitting device (10) is designed in such a way that, when the laser input beam (60) is irradiated onto the first polarising beam splitter (22, 42) of the first beam multiplier element (20), the laser input beam (60) is split into the first intermediate beam (75) and the second intermediate beam (76) by means of the first polarising beam splitter (22, 42) of the first beam multiplier element (20); the two intermediate beams (75, 76) span the x-y plane, the second i

Abstract: A cornea holder assembly for laser surgery of an eye, especially for refractive surgery, such as for keratoplasty. The cornea holder includes an elongated cornea holder base having a longitudinal axis and an upper curved surface along at least 50% of a surface area of the cornea holder base. The curved surface is shaped and sized to hold at least a portion of a cornea in a curved orientation. The cornea holder further includes a cornea holder alignment cover, configured to be placed on top of the cornea holder base.

Abstract: A lens element and a one-piece contact apparatus having a lens element and a holding device for fixing a patient's eye to a laser applicator of an ophthalmological laser therapy system and a corresponding production method. The production method is conceptually simple and user-friendly and allows a high degree of automation while at the same time meeting the high requirements for mechanical and optical precision of the lens element. The lens element has an optically effective zone and a joining zone. The joining zone also has a functional zone for joining the lens element to a holding device which is arranged continuously circumferentially or interrupted circumferentially at the outer edge of the lens element. The contact apparatus includes a lens element and a holding device, which are permanently connected to one another, wherein the lens element and the holding device are not connected to one another by adhesive-bonding.

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: Devices and methods of laser surgery of an eye, especially for refractive surgery, preferably for keratoplasty. The invention includes a planning and control unit, a system for laser surgery of an eye and a planning and control method wherein a device coordinate system of the first laser device and a device coordinate system of the characterization device are coupled using registration and measurement data or model data of the lamella can be unambiguously registered to the device coordinate systems, further by a defined edge geometry of the lamella, an ametropia correction during the generation of the lamella and by taking into account the hydration condition of the lamella, as well as methods for surgery.

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: A method for carrying out a system test of a laser processing system is disclosed. The method includes the execution of a functional test of a control element of the laser processing system. The method further includes the determination of a variable parameter and the determination of an influence of the determined variable parameter on an intended execution of a laser processing by means of the laser processing system. The execution of the functional test of the control element and the determination of the variable parameter overlap at least partially in time.

Abstract: A system for therapy of the eye by treating tissue with therapeutic radiation using nonlinear interaction. A laser device is provided, which delivers the therapeutic radiation. The therapeutic radiation is focussed by a focussing device in an image field, and xy scanners and z scanners shift the focus laterally and longitudinally within a treatment volume. The therapeutic radiation is either a second short pulse radiation or a first short pulse radiation, each of which have a spectral centroid within a wavelength range defined by the short pulse properties. The system is particularly corrected with regard to longitudinal chromatic aberrations and lateral chromatic aberrations such that the spectral characteristic curves of the two aberrations each have a local extreme within the wavelength ranges, and a certain tolerance within the wavelength ranges is not exceeded, therefore the characteristic curves are very shallow.

Abstract: An arrangement for OCT-based laser treatment of vitreous floaters. The arrangement for OCT-based laser vitreolysis includes an OCT system, a laser system having a deflection unit, optical elements that couple the OCT system and the laser system, a display unit and a central control and operating unit. The OCT system is configured to localize the floaters, the laser system is configured to destroy the floaters by application of laser pulses and the central control and operating unit is configured to determine apart from the coordinates of the localized floaters also their distance to structures of the eye, to derive exclusion criteria for the treatment, to align the deflection unit of the laser system to these coordinates and to focus and activate the laser system. The present invention relates to an arrangement for the gentle, low risk and painless laser treatment of vitreous floaters, which enables partially or fully automated therapy.