Abstract: An ophthalmological analysis method measures an intraocular pressure in an eye using an analysis system. The analysis system includes an actuation device, with which a cornea of the eye is deformed contactlessly. The actuation device applies a puff of air to the eye to deform the cornea. A monitoring system monitors the deformation of the cornea and records sectional images of the undeformed and deformed cornea. An analysis device derives an intraocular pressure from the sectional images of the cornea, wherein the recorded sectional images of the deformed cornea are corrected relative to a recorded sectional image of the undeformed cornea, the intraocular pressure being derived under consideration of the correction.

Abstract: The invention relates to an ophthalmic analysis system for measuring the intraocular pressure in an eye comprising an actuating device for contact-free deformation of the cornea, an observation system with which the deformation of the cornea can be observed and recorded, an analysis device with which the intraocular pressure can be deduced from the image information of the observation system, wherein split images of at least parts of the undeformed and/or deformed cornea can be recorded using the observation system.

Abstract: The invention relates to an ophthalmological analysis method for measuring an intraocular pressure in an eye with an analysis system consisting of an actuating device, wherein the actuating device causes a puff of air to be applied to the eye in such manner that the cornea is deformed, an observation system with which the deformation of the cornea is observed and recorded, wherein sectional images of the cornea when it is deformed and not deformed are created with the observation device, and an analysis device with which the intraocular pressure is derived from the sectional images of the cornea, wherein a structural characteristic and/or material characteristic of the cornea is derived from the sectional images of the cornea in the analysis device, wherein a stress of the cornea is derived as a structural characteristic and/or material characteristic, wherein stresses in the corneal material are rendered visible.

Abstract: The invention relates to an opthalmological analysis method for measuring an intraocular pressure in an eye with an analysis system consisting of an actuating device, wherein the actuating device causes a puff of air to be applied to the eye in such manner that the cornea is deformed, an observation system with which the deformation of the cornea is observed and recorded, wherein sectional images of the cornea when it is deformed and not deformed are created with the observation device, and an analysis device with which the intraocular pressure is derived from the sectional images of the cornea, wherein a material characteristic of the cornea is derived from the sectional images of the cornea in the analysis device, wherein a diameter d1 of a first applanation area of the cornea and a diameter dn of a deformation area of the cornea is derived as a material characteristic.

Abstract: The invention relates to an illumination system (10) and an illumination method for an opthalmological analysis apparatus, in particular an analysis apparatus for measuring an intraocular pressure in an eye, wherein the analysis apparatus includes an actuation device (11) with which a puff of air for deforming a cornea (14) can be applied to the eye (12) in the direction of an optical axis (15) of the eye, wherein the illumination system includes at least one illumination device (23) with which the cornea of the eye can be illuminated by a slit light in such a way that a sectional image (27) can be generated in an illumination plane coinciding with the optical axis, wherein the illumination device is formed so that an illuminating beam path (28) of the illumination device oriented towards the eye is arranged at an angle ? relative to the optical axis (15).

Abstract: An ophthalmological analysis method measures an intraocular pressure in an eye using an analysis system. The analysis system includes an actuation device, with which a cornea of the eye is deformed contactlessly. The actuation device applies a puff of air to the eye to deform the cornea. A monitoring system monitors the deformation of the cornea and records sectional images of the undeformed and deformed cornea. An analysis device derives an intraocular pressure from the sectional images of the cornea, wherein the recorded sectional images of the deformed cornea are corrected relative to a recorded sectional image of the undeformed cornea, the intraocular pressure being derived under consideration of the correction.

Abstract: The invention relates to an ophthalmic analysis system and a method for measuring a geometry of an eye to be examined using the ophthalmic analysis system that comprises a first interferometric analysis system and a second non-interferometric analysis system. The first analysis system is used for obtaining measured data on optical boundary surfaces of the eye located on a measurement axis, and measured data describing relative distances, and the second analysis system is used for obtaining at least one set of image data on optical boundary surfaces located on the measurement axis. A processing device of the ophthalmic analysis system processes the measured data and the set of image data and corrects the set of image data using the measured data.

Abstract: The invention relates to an illumination system (10) and an illumination method for an opthalmological analysis apparatus, in particular an analysis apparatus for measuring an intraocular pressure in an eye, wherein the analysis apparatus includes an actuation device (11) with which a puff of air for deforming a cornea (14) can be applied to the eye (12) in the direction of an optical axis (15) of the eye, wherein the illumination system includes at least one illumination device (23) with which the cornea of the eye can be illuminated by a slit light in such a way that a sectional image (27) can be generated in an illumination plane coinciding with the optical axis, wherein the illumination device is formed so that an illuminating beam path (28) of the illumination device oriented towards the eye is arranged at an angle ? relative to the optical axis (15).

Abstract: The invention relates to an ophthalmic analysis system for measuring the intraocular pressure in an eye comprising an actuating device for contact-free deformation of the cornea, an observation system with which the deformation of the cornea can be observed and recorded, an analysis device with which the intraocular pressure can be deduced from the image information of the observation system, wherein split images of at least parts of the undeformed and/or deformed cornea can be recorded using the observation system.

Abstract: The invention relates to an ophthalmological analysis method for measuring an intraocular pressure in an eye with an analysis system consisting of an actuating device, wherein the actuating device causes a puff of air to be applied to the eye in such manner that the cornea is deformed, an observation system with which the deformation of the cornea is observed and recorded, wherein sectional images of the cornea when it is deformed and not deformed are created with the observation device, and an analysis device with which the intraocular pressure is derived from the sectional images of the cornea, wherein a structural characteristic and/or material characteristic of the cornea is derived from the sectional images of the cornea in the analysis device, wherein a stress of the cornea is derived as a structural characteristic and/or material characteristic, wherein stresses in the corneal material are rendered visible.

Abstract: The invention relates to an ophthalmological analysis method for measuring an intraocular pressure in an eye with an analysis system consisting of an actuating device, wherein the actuating device causes a puff of air to be applied to the eye in such manner that the cornea is deformed, an observation system with which the deformation of the cornea is observed and recorded, wherein sectional images of the cornea when it is deformed and not deformed are created with the observation device, and an analysis device with which the intraocular pressure is derived from the sectional images of the cornea, wherein a material characteristic of the cornea is derived from the sectional images of the cornea in the analysis device, wherein a diameter d1 of a first applanation area of the cornea and a diameter dn of a deformation area of the cornea is derived as a material characteristic.

Abstract: The invention pertains to a refractometer (01) for determining the refraction properties of an eye (02) of a patient with an optical projection device (03) that comprises at least one light source (08) that produces a light pattern, wherein the light pattern of the projection device (03) can be projected on the retina of the eye (02) and focused thereon, with an optical viewing device (04) that comprises at least one photoelectric sensor (12), wherein the light pattern reflected on the retina of the eye (02) can be viewed through the cornea and the lens of the eye with the viewing device (4) and projected on the photoelectric sensor (12) in the form of an image pattern, with an evaluation device for evaluating the image pattern recorded by the photoelectric sensor (12) and deriving the refraction properties of the eye, and with a distance measuring device for determining the distance between the refractometer (01) and the patient.

Abstract: The invention relates to a method and a device for determining the distance from a measurement point on a tissue surface (10, 13) of the eye (02), wherein a) an initial light pulse (09a) is generated using a pulse light source (03) and is directed onto the measurement point of the eye, b) a reflector light pulse (11) reflected on the tissue surface (10, 13) at the measurement point is intercepted by a light sensor (04), c) a follow-up light pulse (09b) of the pulsed light source (03) is triggered by the detection of the reflector light pulse (11) at the light sensor (04), d) the pulsed light source (03) generates further follow-up light pulses (09b) depending on the detection of the reflector light pulses (11) caused by the respectively preceding follow-up light pulses (09b) and thereby oscillates at a frequency F1, e) the frequency F1 is measured directly or indirectly, f) the length X of the ray path starting from the pulsed light source (03) via the measurement point to the light sensor (04) is derived f

Abstract: The invention relates to a measuring device (01) for measuring the refraction properties of optical lenses (07), especially spectacle glasses, comprising a measuring light grid (20) for producing a plurality of light beams (16) which are deflected by the lens (07) as a result of refraction of light, and comprising a measuring light detector (12) on which the deflected light beams are projected and are there recorded electronically, and comprising an evaluation device in which the refraction properties of the lens (07) are determined from the measurement signals of the measuring light detector (12), wherein a screen (10) comprising a plurality of light passage openings (23, 24) is arranged between the lens (07) to be studied and the measuring light detector (12), wherein the light beam (16) produced by the measuring light grid (20) and deflected at the lens (07) by refection of light is projected through the various light passage openings (23, 24) of the screen (10) along separate ray paths onto the measuring

Abstract: The invention relates to a measuring device (01) for measuring the refraction properties of optical lenses (07), especially spectacle glasses, comprising a measuring light grid (20) for producing a plurality of light beams (16) which are deflected by the lens (07) as a result of refraction of light, and comprising a measuring light detector (12) on which the deflected light beams are projected and are there recorded electronically, and comprising an evaluation device in which the refraction properties of the lens (07) are determined from the measurement signals of the measuring light detector (12), wherein an additional measuring system (14, 20) for electronic measurement of the geometry of the front lens surface (18) and/or the rear lens surface (19) is provided in the device, wherein the measurement result of the additional measuring system (14) is included in the determination of the refraction properties of the lens (07) in the evaluation device.

Abstract: The present invention relates to a method for operating an ophthalmological analysis system having a slit projection unit for slit illumination of the eye and a Scheimpflug camera for taking digitized sectional images of the eye, slit projection unit and Scheimpflug camera being mounted so that they may pivot jointly rotating around an axis which is essentially coincident with the optical axis of the eye. In a first position of slit projection unit and Scheimpflug camera, a recording of a sectional image of the eye is made and stored as the first image data set. Subsequently, slit projection unit and Scheimpflug camera are pivoted rotating at least once and fixed in this particular subsequent (second, third, fourth, . . . ) position. In the particular subsequent (second, third, fourth, . . . ) position of slit projection unit and Scheimpflug camera, a recording of a sectional image of the eye is made and stored as the subsequent (second, third, fourth, . . . ) image data set.

Abstract: The invention pertains to a refractometer (01) for determining the refraction properties of an eye (02) of a patient with an optical projection device (03) that comprises at least one light source (08) that produces a light pattern, wherein the light pattern of the projection device (03) can be projected on the retina of the eye (02) and focused thereon, with an optical viewing device (04) that comprises at least one photoelectric sensor (12), wherein the light pattern reflected on the retina of the eye (02) can be viewed through the cornea and the lens of the eye with the viewing device (4) and projected on the photoelectric sensor (12) in the form of an image pattern, with an evaluation device for evaluating the image pattern recorded by the photoelectric sensor (12) and deriving the refraction properties of the eye, and with a distance measuring device for determining the distance between the refractometer (01) and the patient.

Abstract: The invention relates to a method and a device for determining the distance from a measurement point on a tissue surface (10, 13) of the eye (02), wherein a) an initial light pulse (09a) is generated using a pulse light source (03) and is directed onto the measurement point of the eye, b) a reflector light pulse (11) reflected on the tissue surface (10, 13) at the measurement point is intercepted by a light sensor (04), c) a follow-up light pulse (09b) of the pulsed light source (03) is triggered by the detection of the reflector light pulse (11) at the light sensor (04), d) the pulsed light source (03) generates further follow-up light pulses (09b) depending on the detection of the reflector light pulses (11) caused by the respectively preceding follow-up light pulses (09b) and thereby oscillates at a frequency F1, e) the frequency F1 is measured directly or indirectly, f) the length X of the ray path starting from the pulsed light source (03) via the measurement point to the light sensor (04) is deriv

Abstract: Ophthalmologic analysis system for measuring the thickness of the corneal tissue on an eye to be examined having a projection device with which defined regions of the corneal tissue are illuminated, whereby the projection device cooperates with an observation system by means of which the illuminated regions of the corneal tissue can be observed and recorded at an angle in relation to the beam path of the projection device. A second projection device is provided on the analysis system, whereby the second projection device cooperates with a second observation system by means of which the illuminated regions of the corneal tissue are observed and recorded such that the curvature of the corneal tissue can be derived from the image information of the second observation system in the analysis device.