Rodenstock Gmbh

Optische Werke G. Rodenstock

Werner Mueller

Gregor Esser

Helmut Altheimer

Wolfgang Becken

Dietmar Uttenweiler

Jochen Brosig

Anne Seidemann

Edda Wehner

Andrea Welk

Walter Haimerl

Herbert Pfeiffer

Peter Baumbach

Stephan Trumm

Peter Seitz

Rainer Sessner

Rainer Dorsch

Martin Zimmermann

Adam Muschielok

Winfried Nikolaus

Martin Zimmerman

Norbert Awrath

Markus Tiemann

Yohann Bénard

Martin Wechs

Robert Bichler

Stephan Haser

Herbert Zinner

Herbert Schuster

Ilka Schwarz

Leonhard Schmid

Nadine Jung

Katrin Nicke

Hans Stetter

Karl Huber

Erich Koell

Reiner Beck

Christina Butz

Ferdinand Schreder

A method, a device, and a corresponding computer program product for calculating (optimizing) and producing a spectacle lens with the aid of a semi-personalized eye model. In one approach, the method includes providing personalized refraction data of at least one eye of the spectacles wearer; establishing a personalized eye model in which at least the parameters: shape of an anterior corneal surface of a model eye; a cornea-lens distance; parameters of the lens of the model eye; and lens-retina distance are established using personalized measured values for the eye of the spectacles wearer, and/or using standard values, and/or using the provided personalized refraction data, such that the model eye has the provided personalized refraction data, wherein at least the establishment of the lens-retina distance takes place via calculation.

Population of an eye model using measurement data in order to optimize spectacle lenses

A device for determining the distance of an eye of a user from the image capturing device is disclosed. The device includes a lighting device that is arranged at a specified position relative to the image capturing device and is designed to generate at least one specular light reflection, which has a linear portion, on the cornea of the eye of the user. The device also includes an image capturing device designed to capture at least one image of the specular light reflection in the region of the cornea of the at least one eye of the user. A distance determining device is designed to ascertain data relating to the distance between two specified points of the light reflection and the curvature of the at least one linear portion of the light reflection in the captured image and the distance of the eye from the image capturing device.

Device and method for distance determination and/or centering using corneal reflections

Optimizing and producing a lens by defining an individual eye model, in which a shape of a corneal front surface of a model eye, and a reference aberration at an evaluation surface within the model eye are defined based on individual measurement values for the lens wearer's eye, on standard values, or based on provided individual refraction data; specifying first and second surfaces for the lens to be optimized; determining the path of a main ray through a visual point a surface of the lens into the model eye up to the evaluation surface; evaluating an aberration of a wavefront propagating along the main ray and resulting from a spherical wavefront incident on the first surface of the lens at the evaluation surface in comparison to the reference aberration; and iteratively varying the surface of the lens until the evaluated aberration corresponds to a predetermined target aberration.

Population of an eye model for optimizing spectacle lenses with measurement data

An apparatus for determining optical parameters of a user with spectacles arranged in the use position on the head of the user includes at least one projection device designed and arranged for marking a partial region of the head of the user and/or of the spectacles of the user with a light projection; at least one image recording device designed and arranged for generating image data at least from the marked partial region of the head of the user and/or of the spectacles of the user; and a data processing device with a user data determining device, which is designed to determine user data from the marked partial region of the head and/or of the spectacles on the basis of the generated image data, wherein the user data comprise spatial information in the three-dimensional space of points of the partial region of the head and/or of the spectacles, and a parameter determining device, which is designed to determine optical parameters of the user on the basis of the user data.

Apparatus and method for determining optical parameters

A method for producing a spectacle lens having in particular a diffractive microstructure on at least one lens surface. To this end, a thin structural support layer is initially made available, which on a surface has a microstructure. A lens main body is then cast to the microstructure of the structural support layer.

Producing microstructured spectacle lenses by means of transfer layer

A computer-implemented method for calculating or optimizing a spectacle lens for at least one eye of a spectacle wearer. Refraction data of the at least one eye of the spectacle wearer is collected. An individual eye model is defined, wherein the eye model defines at least the topography of a corneal front surface of the at least one eye, position and power of a lens of the eye, and a retina position of the eye such that the eye exhibits the collected refraction data. A first surface and a second surface for the spectacle lens to be calculated or optimized is specified. The path of a main ray through at least one visual point of at least one spectacle lens surface to be calculated or optimized is determined. A spherical wavefront incident on the first surface of the spectacle lens along the main ray is specified. A wavefront in the at least one eye, which results from the spherical wavefront in a surrounding of the main ray due to the power of at least the first and second surfaces of the spectacle lens, the corneal front surface, and the lens of the at least one eye is determined. The at least one spectacle lens surface to be calculated or optimized is iteratively varied until an aberration of the resulting wavefront corresponds to a specified target aberration.

Eyeglass optimization using an individual eye model

A method and device for calculating design parameters of a design of a progressive spectacle lens on the basis of a predetermined design polygon. The design parameters are calculated by specifying a point within the design polygon, in which the specified point defines the progressive spectacle lens design, and then determining a value of each design parameter at the specified point by an interpolation of at least part of the predetermined values at the corner points and, optionally, of at least part of the predetermined values of the design parameter at the at least one additional point.

Controlling designs using a polygonal design

A computer-implemented method and a device for optimizing an optical element comprising at least one diffraction grating, wherein at least one refractive surface contributing to the refractive light deflection and/or the at least one diffraction grating of the optical element are/is optimized in such a way as to minimize the color fringe and at least a second-order aberration of the optical element. Also, a corresponding production method and a corresponding device for producing an optical element comprising at least one diffraction grating.

Method for optimizing a spectacle lens with a diffraction grating

A method for producing a series of base lenses, which cover a predetermined power range, wherein each base lens of the series has a base power different from the base powers of the other base lenses of the series, and has at least one diffractive base grating, the method comprising: specifying the base powers of each base lens of the series and calculating the base grating of each base lens of the series so as to minimize the color fringe of the respective base lens with the specified base power in a predetermined region of the spectacle lens.

Method for determining a base system of diffraction gratings for color fringe correction of spectacle lenses

Optimization and production of a spectacle lens for a specific wearing situation for correcting at least one astigmatic refraction of an eye of a spectacles wearer, which in a reference viewing direction of the eye has a cylinder reference value and a cylinder reference axis, comprising: specifying an object distance for at least one evaluation point of the spectacle lens; determining a transformed astigmatic refraction for the at least one evaluation point of the spectacle lens from the cylinder reference value and the cylinder reference axis depending on the specified object distance; and optimizing the spectacle lens such that for the at least one evaluation point a correction of the transformed astigmatic refraction by the spectacle lens in the specific wearing situation is taken into consideration, wherein determining the transformed astigmatic refraction comprises determining a transformed cylinder value and/or a transformed cylinder axis depending on the specified object distance.

Method for calculating a spectacle lens with improved near zone

The invention relates to a method, a computer program product and a system for designing or producing a spectacle lens for a spectacle wearer. Said method consists of the following steps: individual user data or application data of the spectacle wearer is obtained; the design concept for the spectacle lens having a plurality of evaluation points is determined; a main beam path through the plurality of evaluation points is determined; a local wavefront is specified for each of the main beams in the surroundings of the respective main beam; optical properties of the spectacle lens are determined on the evaluation points by determining an influence of the spectacle lens on the local wavefronts in the surroundings of the respective evaluation point; and the design concept is evaluated in accordance with the determined optical properties and the individual user data.

Method for optimizing a spectacle lens

The present invention relates in summary to a method for checking and/or determining user data of a spectacle lens user comprising providing subjective data of a spectacle lens user, wherein the subjective data comprise at least subjective refraction data, providing objective refraction data of the spectacle lens user, comparing at least one subset of the subjective refraction data with at least one subset of the objective refraction data and determining a comparison result, matching at least the subset of the subjective refraction data to the objective refraction data on the basis of the comparison result under the assumption that the comparison result fulfills at least one predetermined comparison condition, otherwise maintaining at least the subset of the subjective refraction data and/or providing a message containing the comparison result, and to a further method, a computer program product and two devices for checking and/or determining user data.

Method for checking and/or determining user data, a computer program product, and an apparatus

The invention relates to a method for producing a progressive spectacle lens and to a corresponding apparatus, a computer program product, a storage medium and to the use of a progressive spectacle lens. The invention also relates to a method for producing a progressive spectacle lens for correcting defective vision of a spectacle wearer, comprising the following steps: the vertical and/or the horizontal spatial position of a distance reference point and/or a near reference point is specified or determined in accordance with individual data of the spectacle wearer; the spectacle lens is optimized or calculated such that the required dioptric effect of the spectacle lens is obtained in the individually determined distance reference point and/or the near reference point.

Method for calculating a spectacle lens having a variable position of the reference points

The invention relates particularly to a spectacle lens having a first and a second surface, wherein at least the first surface of the spectacle lens has a major portion zone and at least one prism zone. The major portion zone of the first surface, together with the opposing second surface of the spectacle lens, forms a major portion of the spectacle lens, which is designed for vision in at least a predetermined distance. The prism zone of the first surface, together with the opposing second surface of the spectacle lens, forms a prism portion, which is designed and arranged such that an optical image of a display is formed at a predetermined virtual distance in front of the eyes of the spectacle wearer. The invention further relates to spectacles, which comprise the spectacle lens, and to a method and apparatuses for calculating or optimizing and producing the spectacle lens.

Spectacle glass and spectacle lens for data reflection

The invention relates to a device () for determining the optical parameters of a user comprising: at least two image recording devices (), which are configured and arranged to respectively generate image data of at least sub-sections of the head of the user (); a data processing unit comprising a user data determination device, which is configured to use the generated image data to determine user data relating to at least one sub-section of the head, or at least one sub-section of a system placed on the head that supports a pair of glasses () of the user () in a normal position of wear, the user data containing the three-dimensional location information of predetermined points in the head sub-section or the system sub-section and comprising a parameter determination unit, which is configured to determine at least some of the optical parameters of the user (); a data output device, which outputs at least some of the determined optical parameters of the user (). The invention also relates to an additional device, a corresponding method and a computer program.

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Oetisheim, Germany

Werner Mueller