Abstract: Optimizing a spectacle lens for a wearer of implanted intraocular lenses. The method includes providing individual refraction data on the at least one eye of the spectacle wearer; defining an individual eye model in which at least a shape and/or power of a cornea, in particular a corneal front surface, of a model eye, a cornea-lens distance, parameters of the lens of the model eye, and a lens-retina distance are defined as parameters of the individual eye model. Here, defining the parameters of the individual eye model takes place on the basis of data on visual acuity correction of the at least one eye having the intraocular lens and further on the basis of individual measurement values for the eye of the spectacle wearer and/or standard values and/or on the basis of the provided individual refraction data such that the model eye has the provided individual refraction data.

Abstract: An adhesion film includes an adhesion surface with which the adhesion film is arrangeable on a front or rear surface of the spectacle lens in order to adhesively stick there; and a functional surface opposite the adhesion surface with a central region and a peripheral region. The functional surface has a microstructure such that the microstructure in the peripheral region at least partially causes an additional positive dioptric power and/or a contrast reduction in relation to the central region.

Abstract: Simulating an optical system by calculating wavefronts. The method includes: setting up at least one wavefront transfer function for the optical system, wherein the wavefront transfer function is designed to assign a respective associated emergent wavefront to wavefronts entering into the optical system, taking into account imaging errors with an order greater than the order of defocus; and evaluating the at least one wavefront transfer function for at least one wavefront entering into the optical system.

Abstract: A computer-implemented method for determining biometric data of an eye and a corresponding method for manufacturing spectacle lenses taking into account the biometric data determined. The method includes: providing individual standard data of a user, the standard data including prescription data including a distance prescription and/or a near prescription of at least one eye of a user; and calculating individual additional data including at least one individual biometric parameter of the at least one eye of the user based on the individual standard data and using a statistical model describing a relation between the standard data and the additional data, wherein the statistical model has been derived using statistical analysis of a training data set with a plurality of reference data sets, each of the reference data sets including standard data and additional data associated with the standard data.

Abstract: A computer-implemented method, including: capturing a nominal refractive power and/or a nominal astigmatism in a near reference point of the lens, determining a corrective value of the vertical or horizontal prism in the near reference point of the lens; modifying the nominal refractive power and/or the nominal astigmatism in the near reference point on the basis of the corrective value of the vertical or horizontal prism of the lens; determining a continuous course of the nominal refractive power or the nominal astigmatism along the main line of the lens on the basis of the modified refractive power and/or nominal astigmatism in the near reference point; and calculating or optimizing the lens on the basis of the modified nominal refractive power and/or nominal astigmatism in the near reference point and the determined course of the nominal refractive power and/or the nominal astigmatism along the main line.

Abstract: A computer-implemented method, a device for calculating or optimizing a lens, and a lens. The method includes: capturing a nominal optical power and/or a nominal astigmatism in a near reference point of the lens, determining a corrective value of the vertical or horizontal prism in the near reference point of the lens; modifying the nominal optical power and/or the nominal astigmatism in the near reference point on the basis of the corrective value of the vertical or horizontal prism of the lens; determining a continuous course of the nominal optical power or the nominal astigmatism along the main line of the lens on the basis of the modified optical power and/or nominal astigmatism in the near reference point; and calculating or optimizing the lens on the basis of the modified nominal optical power and/or nominal astigmatism in the near reference point and the determined course of the nominal optical power and/or the nominal astigmatism along the main line.

Abstract: A computer-implemented method for calculating or assessing a spectacles lens for an eye of a spectacles wearer. The method includes (a) providing an association of at least one imaging property or aberration of a spectacle lens system with the vision of the spectacles wearer, or of an average spectacles wearer, when observing an object through the spectacles lens system; (b) determining or prescribing a target function for the spectacles lens to be calculated or assessed, in which the association from step (a) is to be evaluated; and (c) calculating or assessing the spectacles lens to be calculated or assessed by evaluating the target function, wherein the target function is evaluated at least once.

Abstract: 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.

Abstract: 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.

Abstract: A computer-implemented method for identifying relevant individual parameters of at least one eye of a spectacle wearer for the calculation or optimization of an ophthalmic lens for the at least one eye of the spectacle wearer, including: providing individual data on properties of the at least one eye of the spectacle wearer; constructing an individual eye model by defining a set of parameters of the individual eye model; and determining a probability distribution of values of the parameters of the individual eye model on the basis of the individual data.

Abstract: Optimizing a spectacle lens for a wearer of implanted intraocular lenses. The method includes providing individual refraction data on the at least one eye of the spectacle wearer; defining an individual eye model in which at least a shape and/or power of a cornea, in particular a corneal front surface, of a model eye, a cornea-lens distance, parameters of the lens of the model eye, and a lens-retina distance are defined as parameters of the individual eye model. Here, defining the parameters of the individual eye model takes place on the basis of data on visual acuity correction of the at least one eye having the intraocular lens and further on the basis of individual measurement values for the eye of the spectacle wearer and/or standard values and/or on the basis of the provided individual refraction data such that the model eye has the provided individual refraction data.

Abstract: A method for determining the defective vision of an eye of a spectacle wearer, corresponding computer program products, spectacle glass production methods and devices. Also, a spectacle glass or a spectacle glass series. The method for determining the defective vision of an eye of a spectacle wearer includes: providing measurement values from a first and a second measurement of the defective vision of the eye of the spectacle wearer; and calculating an estimated value for the defective vision of the eye of the spectacle wearer on the basis of the measurement values from the first and the second measurement, measurement inaccuracies from the first and the second measurements of the defective vision being taken into account in the calculation of the estimated value of the defective vision.

Abstract: In a method for creating a design of a prescription surface of a multifocal lens, in particular for a progressive spectacle lens, at first data and second data for describing at least one aberration of an eye of a proband for a first situation of use and a second situation of use, respectively, are obtained, and then a first set of parameters and a second set of parameters of a predetermined prescription surface equation are determined from the first and second data, wherein the prescription surface equation is assigned to a first reference point of the prescription surface for the first set of parameters, and is assigned to a second reference point of the prescription surface for the second set of parameters.

Abstract: A computer-implemented method for calculating or assessing a spectacles lens for an eye of a spectacles wearer. The method includes (a) providing an association of at least one imaging property or aberration of a spectacle lens system with the vision of the spectacles wearer, or of an average spectacles wearer, when observing an object through the spectacles lens system; (b) determining or prescribing a target function for the spectacles lens to be calculated or assessed, in which the association from step (a) is to be evaluated; and (c) calculating or assessing the spectacles lens to be calculated or assessed by evaluating the target function, wherein the target function is evaluated at least once.

Abstract: 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.

Abstract: 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.

Abstract: A method and a device for stimulating accommodation of at least one eye of a test person. There is a reliable possibility for determining a set of ophthalmological data relating to at least one eye of the test person and particularly for measuring refractive error of the test person and for determining a corresponding optical correction. The device for determining a set of ophthalmological data relating to at least one eye of a test person, in particular a device for objectively determining refraction comprises: an accommodation stimulating device which is designed to project a virtual target having a spherical effect and having an adjustable cylindrical effect into the at least one eye of the test person; and a measuring device for determining ophthalmological data relating to the at least one eye of the test person.

Abstract: 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.

Abstract: 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.

Abstract: Adjustment of an eyeglass lens or a pair of eyeglasses by means of an individual brightness-dependent centering of an eyeglass lens. In particular, a method for adjusting an individual eyeglass lens for at least one eye of an eyeglass wearer, including: defining an individual usage situation which comprises at least one target brightness value for the light to be captured by the at least one eye; determining a position of the pupil in at least one direction of view of the at least one eye which occurs or is expected at the at least one target brightness value; determining a reference point of the eyeglass lens, in which the eyeglass lens effects a required correction of individual refraction data for the at least one direction of view; on the basis of the determined individual value of the pupil position, providing and arranging the eyeglass lens in such a manner that the at least one reference point of the eyeglass lens is arranged in front of the at least one eye of the eyeglass wearer.