Carl Zeiss Meditec Ag

Carl Zeiss Jena Gmbh

Carl Zeiss Smt Gmbh

Carl Zeiss Vision International Gmbh

Carl Zeiss Ag

Carl Zeiss Microimaging Gmbh

Peter Klopfleisch

Martin Hacker

Ralf Ebersbach

Matthias Reich

Tobias Bühren

Ferid Bajramovic

Gerard Antkowiak

Roland Bergner

Klaus-Ditmar Voigt

Roland Barth

Eberhard Hofmann

Bryce Anton Moffat

Frank Behrendt

Dirk Doering

Burkhard Dietzel

Alexander Gratzke

Gert Stober

Ralf Wolleschensky

Timo Kratzer

Michael Kempe

Daniel Bublitz

Susanne Beder

Peter Westphal

Rainer Sessner

Katharina Rifai

Matthias Burkhardt

Herbert Krug

Tobias Schmitt-Manderbach

Andrea Berner

Hans-Michael Stiepan

Axel Krause

Peter Pacher

Marcus Heidkamp

Joerg Petschulat

André Dirauf

Tobias BÜHREN

Jörg Petschulat

An optical system includes at least one optical element which has an optically effective surface and which is designed for an operating wavelength of less than 30 nm. The optical system also includes a heating arrangement for heating this optical element and comprising a plurality of IR emitters for irradiating the optically effective surface with IR radiation. The IR emitters are activatable and deactivatable independently of each other to variably set different heating profiles in the optical element. The optical system further includes at least one beam shaping unit for shaping the beam of the IR radiation steered onto the optically effective surface by the IR emitters. The optical system also includes a multi-fiber head comprising a multi-fiber connector for connecting optical fibers. IR radiation from a respective one of the IR emitters is suppliable by way of each of these optical fibers.

Optical system, heating arrangement, and method for heating an optical element in an optical system

A device for determining biometric variables of the eye, as are incorporated in the calculation of intraocular lenses including a multi-point keratometer and an OCT arrangement. The keratometer measurement points are illuminated telecentrically and detected telecentrically and the OCT arrangement is designed as a laterally scanning swept-source system with a detection region detecting the whole eye over the whole axial length thereof. Illumination points are arranged in three rings concentrically around an instrument axis; and the three rings include a first ring, a second ring and a third ring and the illumination points on the first ring and the third ring are rotated in relation to the illumination points on the second ring such that each of the illumination points on the first ring is on a common radial with one of the illumination points on the third ring and each of the illumination points on the second ring is not on the common radial.

Device for reliably determining biometric measurement variables of the whole eye

A device for determining biometric variables of the eye, as are incorporated in the calculation of intraocular lenses including a multi-point keratometer and an OCT arrangement. The keratometer measurement points are illuminated telecentrically and detected telecentrically and the OCT arrangement is designed as a laterally scanning swept-source system with a detection region detecting the whole eye over the whole axial length thereof. The multi-point keratometer ensures that a sufficient number of keratometer points are available for measuring the corneal surface. By contrast, telecentricity ensures that the positioning inadequacies of the measuring instrument in relation to the eye to be measured do not lead to a local mismatch of the reflection points. The swept-source OCT scan detects the whole eye over the length thereof so that both anterior chamber structures and retina structures can be detected and a consistent whole eye image can be realized.

An illumination apparatus includes a first solid-state-based illumination module, a second solid-state-based illumination module, and a superposition unit, which couples first and the second luminescence radiation into an illumination beam path, in which said radiation is guided up to the end of the illumination beam path in order to illuminate a light modulator. A filter unit which filters light with a second color from the first luminescence radiation with a first color and from the second luminescence radiation such that light with the first and second color is present at the end of the illumination beam path.

Illumination device for a projector having a light modulator

An illumination apparatus for a projector that includes a light modulator is provided. The illumination apparatus includes a first illumination module emitting first radiation, a second illumination module emitting second radiation, a light mixing rod extending in the axial direction and a superposition unit, which superposes the first and second radiation and couples this into the light mixing rod. The superposition unit includes a first imaging optical unit which focuses the first radiation into the light mixing rod such that a first focus is present, and a second imaging optical unit which focuses the second radiation into the light mixing rod such that a second focus is present. The first focus is spaced apart from the second focus in the axial direction.

The invention relates to a method for examining an eye of a patient by the patient themselves by means of an ophthalmological apparatus, said apparatus having front optics and an apparatus pupil. According to said method, the patient positions the ophthalmological apparatus relative to the eye, a measure of the deviation of the pupil of the eye from the apparatus pupil is determined, and a pupil correction signal is produced depending on the measure of the deviation, said pupil correction signal specifying a direction and/or a degree of the deviation and being output to the patient. The patient can use the pupil correction signal for repositioning in relation to the ophthalmological apparatus with a smaller deviation.

Method for self-examination of an eye and ophthalmological self-examination apparatus

The invention is directed to a spectacle lens and includes a body which is transparent or at least partly transparent to light and has a phase object which guides the light incident at an angle of incidence &#x3b1; on a side facing away from an observer into a direction depending on the wavelength &#x3bb; of the light and the angle of incidence &#x3b1; thereof. The phase object has a multiplicity of diffraction structures, which diffract monochromatic light at a wavelength of 380 nm&#x2264;&#x3bb;&#x2264;800 nm with a diffraction efficiency of &#x3b7;&#x2265;70% into one and same order of diffraction |m|&#x2265;1 when the monochromatic light is incident at an angle of incidence &#x3b1; on the side of the lens facing away from the observer which lies within a diffraction-structure-specific angle interval 15&#xb0; wide and dependent on the wavelength of the light.

Spectacle lens having a plurality of diffraction structures for light

A spectrometer is described, especially for an optical coherence tomograph for detecting parameters of the human eye, with said spectrometer having an input for measurement radiation to be analyzed, fanning the measurement radiation spectrally out along a direction in a fan and guiding it onto a detector that extends along the direction and comprises a plurality of detector pixels that are sensitive to the measurement radiation, with the spectrometer having an adjusting element which can be adjusted in a controlled manner to adjust the relative position of the fan and the detector, thereby optimizing the incidence position of the fan on the detector, in which it is provided that the detector has at least two superimposed, adjacent pixel lines, and a control device is provided which reads out the superimposed pixels of a plurality of pixel lines in a combined manner for a spectral analysis of the measurement radiation in a pixel binning and evaluates signal differences between superimposed pixels to control the adjusting element and to center the incidence position of the fan at a right angle to the direction of the pixel lines.

Spectrometer

The invention is directed to an arrangement and a method for measuring the anterior segment of the eye using interferometric means. The eye is illuminated by a convergent beam bundle and aligned with the optical axis of the measuring device by generating directional stimuli and accommodation stimuli by means of a display which is mirrored into the beam path.

Method and arrangement for the measurement of the anterior segment of the eye

Method and device for changing the illumination light and/or specimen light with respect to its spectral composition and/or intensity in an adjustable manner, wherein a spatial separation into the radiation components of different polarization is carried out with the first polarization means (Pol), a spectral spatial splitting of at least one radiation component is carried out with the first dispersion means (Disp), and the polarization state of at least one part of the spectrally spatially split radiation component is changed, wherein a reflection of the illumination light and/or the detection light is carried out.

Method and device for changing light in an adjustable manner

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Jena, Germany

Peter Klopfleisch