Abstract: A method for preparing an ophthalmic lens to be edged based on a presentation lens, includes: fixing a first support a face of the presentation lens, the first support's shape defining a first reference point; positioning the presentation lens by the first support in an optical machine having an image sensor; acquiring, with the image sensor, an image of the presentation lens; determining, on the acquired image, the outline of the presentation lens; positioning a pupillary point relative to the outline; positioning the outline of the presentation lens relative to the ophthalmic lens so the pupillary point is superimposed on a centering point of the ophthalmic lens; and fixing a second support a face of the ophthalmic lens, the second support having a shape defining a second reference point, the second support fixed on the ophthalmic lens so its second reference point is superimposed on the first reference point.

Abstract: Provided is technology that makes it possible to measure visual behavior with respect to objects that are at different distances in the depth direction, while reducing burden on a subject. A method for measuring visual behavior of a subject to design an eyeglass lens includes: a step (a) of ascertaining a head rotation amount that is generated by the subject in a sagittal plane of the subject when gazing at each of a plurality of gaze points that are set at predetermined distances different from each other in a forward depth direction; and a step (b) of determining an eyeball rotation amount that is generated by the subject when gazing at each of the plurality of gaze points, based on the head rotation amount.

Abstract: Disclosed herein is a contact lens comprising a rounded, minus-carrier, lenticular-like curve over a central, upper portion of the lens that allows the contact lens to translate upwards in downgaze.

Abstract: A computer-implemented method for generating data to produce a spectacle lens adapted to a spectacle frame is disclosed. The method includes: (i) providing, on a storage medium, a first data set containing a centering value and a three-dimensional model of the spectacle frame; (ii) creating, using the first data set, a second data set containing a geometric value of a surface of the spectacle lens; (iii) creating, in order to produce the spectacle lens from a spectacle lens blank and to grind in and/or fit the at least one spectacle lens into the spectacle frame using the first and second data sets, a third data set stored on the storage medium, wherein the data values of each data set have a spatial relationship with respect to each other such that the data values of each data set are consistently specified in relation to a particular coordinate system.

Abstract: Disclosed herein are systems and techniques for evaluating prescribed optical devices during use. A method can include matching a user profile with a prescribed optical device, matching the prescribed optical device with a plurality of members of a distribution system of the prescribed optical device, requesting information about the prescribed optical device through a user interface, receiving information in response to requesting the information, and sending feedback based on the received information to one of the members of the distribution system. One or more network devices can generate a user interface including information associated with the prescribed optical device and the user profile. The user interface can be adapted based on a primary or secondary user of the network device. The user interface can also be adapted as the user progresses in age, treatment schedule, and/or other factors that support evaluation of the prescribed optical device.

Abstract: A device for measuring eye movement in a human subject comprises a housing, at least one stimulator mounted to the housing, and a sensor. The at least one stimulator is configured to provide stimulus to one or both eyes of the subject. The sensor is configured to collect information related to movement of one or both eyes of the subject. The device also includes a user interface that is configured to control the at least one stimulator and display information collected by the camera.

Abstract: A system is provided for programming workpiece feature inspection operations for a coordinate measuring machine (CMM), including a user interface that comprises a workpiece inspection program simulation portion configurable to display a 3-D view of a workpiece; an editing user interface portion comprising an editable plan representation of a current workpiece feature inspection plan for the workpiece; and an editable alignment program plan representation for the workpiece. The system is configured with the editable alignment program plan representation being automatically responsive to editing operations, regardless of whether the editing operations are performed in the 3-D view or the editable plan representation. The editing operations include deleting or adding at least one workpiece feature to or from the editable alignment program plan representation.

Abstract: A method for determining an ophthalmic lens adapted to a wearer, including: providing wearer data including at least an indication of a prescription of the wearer; providing a locomotion scenario including at least an input locomotion parameter and visual environment data indicative of a visual environment, the locomotion parameter including at least movement data indicative of at least translation movements of the wearer's head; providing an output parameter of a locomotion parameter of the wearer or an optical parameter of the ophthalmic lens having an impact on a locomotion parameter of the wearer; determining an ophthalmic lens adapted to the wearer based at least on the wearer data to have the output parameter as close as possible to the target value of the output parameter when carrying out the locomotion scenario using the ophthalmic lens, wherein the output parameter is retinal flow of the wearer.

Abstract: To realize a toric ophthalmic lens including an edge that makes it possible to design a lens contributing to secondary cataract prevention without deteriorating a degree of freedom of lens design. The toric ophthalmic lens is a toric ophthalmic lens in which, in a top view of an optical portion, a substantially flat portion having a substantially fixed edge thickness of the optical portion is provided to overlap a steep meridian of a toric surface of the optical portion.

Abstract: The present invention predicts prior to a laser iris color-change procedure what a patient's iris color will be after the procedure. The present invention does so by identifying and measuring a variety of anatomical features of the patient's eye that affect or are otherwise relevant to predicting the patient's post-operative iris color, translating these measurements into a post-operative iris color prediction, and communicating this prediction to the patient in a manner sufficient to manage the patient's expectations with respect to the aesthetic outcome of the procedure.

Abstract: A system for reconstructing wafer maps of semiconductor wafers includes: a processor; and memory having instructions stored thereon that, when executed by the processor, cause the processor to: receive test data of a wafer at sparse sampling locations of the wafer, the sparse sampling locations being selected based on a probing mask; and compute a reconstructed wafer map by performing compressed sensing with Zernike polynomials on the test data at sparse locations of the wafer.

Abstract: A system of contact lenses includes at least two contact lenses, each lens having a visual correction for a non-rotationally symmetric eye aberration. Each lens has a different level or degree of a stabilization that is characterized by a thickness differential between a thickness of a stabilization zone and a thickness of a non-stabilization zone.

Abstract: An ophthalmic device includes an enclosure, an antenna, a sensor system, and a first conductive trace. The ophthalmic device is configured to mount on or in an eye of a user and includes a central region surrounded by a peripheral region. The antenna is disposed within the peripheral region between an outer edge of the ophthalmic device and the central region. The sensor system includes a sensor trace disposed within the peripheral region between the antenna and the central region. The first conductive trace is at least partially disposed between at least one of the antenna and the sensor trace or the central region and the sensor trace.

Abstract: Methods and systems for verifying a hardware design for an integrated circuit that implements a function that is polynomial in an input variable x over a set of values of x. The method includes formally verifying that a first instantiation of the hardware design implements a function that is polynomial of degree k in x by formally verifying that for all x in the set of values of x the first instantiation of the hardware design has a constant kth difference; and verifying that a second instantiation of the hardware design generates an expected output in response to each of at least k different values of x in the set of values of x.

Abstract: An adjustable spectacle lens has a first lens element and a second lens element arranged one behind the other along an optical axis of the lens. The first and second lens element are configured to vary their combined optical properties when moved relative to each other in a direction transverse to the optical axis. The adjustable lens element is an adjustable progressive lens element. The first and second lens element are configured to vary at least one of a size and a power of the near, the distance, and the intermediate portion relative to each other, when the first lens element and the second lens element are moved relative to each other in the direction transverse to the optical axis. The first and second lens elements can be configured to conjointly provide a near, a distance and an intermediate portion that can be changed depending on the visual task.

Abstract: A lens element intended to be worn in front of an eye of a person that includes a refraction area having a refractive power based on a prescription for the eye of the person, and a plurality of at least three non-contiguous optical elements, at least one optical element having a non-spherical optical function.

Abstract: A method for cutting watch crystals along a plurality of contours in a plate of transparent material includes forming a first cut line or kerf to form a first chamfer for each of the crystals of the plate and marking at least one machined recess on a first side of the plate, turning the plate over and marking at least one of the position of the first chamfer and the position of the at least one machined recess, forming a second cut line or kerf to form a second chamfer for each of the crystals on a second side of the plate, and separating the crystals by machining through the plate at each of the contours to form edges of the crystals.

Abstract: A method and an apparatus for computing feature kernels for optical model simulation are provided. In the method, a feature matrix mathematically describing a plurality of properties of an optical imaging system is identified. A sampling matrix comprising at least one vector serving as input to form a low-rank basis for the feature matrix is generated. The sampling matrix is iteratively multiplied by the feature matrix and a multiplication result is adaptively rescaled according to numerical stability until a convergence condition is met. The iteration results are used to form a reduced feature matrix. Decomposition values of the reduced feature matrix are computed and a plurality of feature kernels are extracted from the computed decomposition values.

Abstract: The current disclosure is directed to a method for determining an improved design for a progressive spectacle lens. Further, there are provided a method for manufacturing a progressive spectacle lens, a system for determining an improved design for a progressive spectacle lens, a non-transitory computer program and a progressive spectacle lens.

Abstract: A tear shaping structure or structures that shape a tear film of an eye thereby enabling a desired refractive effect. The tear shaping structure includes a supporting structure supporting a plurality of capillary action members, the capillary action members being spaced apart and arranged in such a way as to create a desired refractive lens effect by shaping the tear film of an eye.

Abstract: An ophthalmic progressive addition lens for a myopic and presbyopic wearer having a mean refractive power, PPO(?, ?), a module of resulting astigmatism, ASR(?, ?), an acuity loss value ACU(?, ?), wherein the (?, ?) functions are determined in as-worn conditions of the lens by the wearer, and a first acuity criterion, AcuityCriterion1 which fulfils following requirement: AcuityCriterion1?1340 D2·deg2, and wherein: AcuityCriterion1 is defined as a combination of PPO(?, ?), ASR(?, ?), ADDp, and ACU(?, ?).

Abstract: An ophthalmic progressive addition lens for an emmetropic and presbyopic wearer having a mean refractive power, PPO(?, ?), a module of resulting astigmatism, ASR(?, ?), an acuity loss value ACU(?, ?), wherein the (?, ?) functions are determined in as-worn conditions of the lens by the wearer, and a first acuity criterion, AcuityCriterion1 which fulfils following requirement: AcuityCriterion1?435 D2.deg2, and wherein: AcuityCriterion1 is defined as a combination of PPO(?, ?), ASR(?, ?), ADDp, and ACU(?, ?).

Abstract: A method and an apparatus for computing feature kernels for optical model simulation are provided. In the method, a feature matrix mathematically describing a plurality of properties of an optical imaging system is identified. A sampling matrix comprising at least one vector serving as input to form a low-rank basis for the feature matrix is generated. The sampling matrix is iteratively multiplied by the feature matrix and a multiplication result is adaptively rescaled according to numerical stability until a convergence condition is met. The iteration results are used to form a reduced feature matrix. Decomposition values of the reduced feature matrix are computed and a plurality of feature kernels are extracted from the computed decomposition values.

Abstract: The current invention is directed to a computer-implemented method for providing a lens shape for an ophthalmic lens. Further, there is provided a method for angular smoothing of a surface determined by carrier lines radially outwards of a prescription zone bordered by a first boundary line. Further, there is provided an ophthalmic lens, in particular a spectacle lens. Further, a method for minimizing the difference in thickness between two ophthalmic lenses for the same spectacles. A computer program product and a machine readable storage medium are provided as well.

Abstract: A method for demonstrating optical properties of a lens for spectacle glasses is disclosed in which a demonstration tool displays an optical property of the lens. The demonstration tool includes a light source and a light sensor receiving light from the light source. Placing a lens in the beam path between the light source and the light sensor changes the readout from the light sensor and the change in readout is converted into an optical property of the lens. An observer sees the optical property of the lens on a display.

Abstract: A computer-implemented method for providing a lens shape for an ophthalmic lens is disclosed. Further, there is provided a method for angular smoothing of a surface determined by carrier lines radially outwards of a prescription zone bordered by a first boundary line. In addition, there is provided an ophthalmic lens, in particular, a spectacle lens. Moreover, a method for minimizing the difference in thickness between two ophthalmic lenses for the same spectacles is provided. A computer program product and a machine-readable storage medium are provided as well.

Abstract: A computer-implemented method for providing a lens shape for an ophthalmic lens is disclosed. Further, there is provided a method for angular smoothing of a surface determined by carrier lines radially outwards of a prescription zone bordered by a first boundary line. In addition, there is provided an ophthalmic lens, in particular, a spectacle lens. Moreover, a method for minimizing the difference in thickness between two ophthalmic lenses for the same spectacles is provided. A computer program product and a machine-readable storage medium are provided as well.

Abstract: A method for printing an optical component, in particular an ophthalmic lens, by depositing droplets of printing ink side by side and one above the other in several consecutive printing steps by means of a print head, wherein the optical component is provided with an identifier indicating at least one lens parameter, wherein the identifier is structurally integrated into the optical component during at least one printing step. The present teachings further relate to a corresponding optical component.

Abstract: A contact lens for corrective corneal crosslinking has a lens part and reservoir part. The lens part is constituted of a UV transmitting material, and provided, on a side thereof being in contact with the cornea of a patient's eyeball, with a pressing region configured to project in a convexly curved shape at a position for pressing the corneal dome center, and a relief region including an annular concave part whose cross section has a concavely circular arc shape that surrounds the pressing region's outer circumference. The reservoir part is disposed seamlessly and integrally therewith on the lens' outer side in a thickness direction in the pressing region, the reservoir part is provided with a communication hole for communication between the inside of the reservoir part and the pressing region, and a working electrode that has the same polarity as that of the riboflavin solution in the reservoir part.

Abstract: A virtual reality-based ophthalmic inspection system includes a wearable unit, an electronic unit, and at least one detector; the wearable unit is available for an inspected object to wear the wearable unit on head; the electronic unit is assembled with the wearable unit and has a left-eye display zone and a right-eye display zone, wherein the left-eye display zone is used for displaying at least one left-eye sight-targets, and the right-eye display zone is used for displaying at least one right-eye sight-targets; the detector is disposed on the electronic unit. A sight-target with at least one distinguishing feature are shown on one of the left-eye display zone and the right-eye display zone, the left-eye display zone displays the sight-target while the right-eye display zone is filled with black, and the right-eye display zone displays the sight-target while the left-eye display zone is filled with black.

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: The present invention discloses systems and methods for determine preoperative estimation of postoperative IOL position (or the EAPD) in accordance with one or both of the following mathematical relationships, which are derived from linear regression: EAPD=S1+(S2×AND)+(S3×NT)+(S4×AL),??(1a) EAPD=W1+(W2×AND)+(W3×RND)+(W4×AL),??(1b) where S1, S2, S3, and S4 for equation (1a) and W1, W2, W3, and W4 for equation (1b) are statistically derived linear regression constant coefficients.

Abstract: An orthokeratological contact lens includes a treatment zone extending radially outward from a center point and return and alignment zones extending radially outward from the treatment zone, the return zone shaped to create an empty hypertrophy volume between the lens and the cornea when the lens is applied to the cornea, wherein the treatment zone is shaped based on a target treatment curve as to cause collagen fibrils located in a stroma of a cornea to shorten and flatten the cornea in the treatment zone and to lengthen and steepen it in the return zone when the rigid contact lens makes contact with the cornea without putting excessive pressure on or compressing the cornea, the treatment curve being based on a difference between a first arc length determined when a load is applied to the cornea and a second arc length determined when no load is applied to the cornea.

Abstract: Disclosed is a method for comparing first and second ophthalmic lenses, including: a first optical function providing step, during which a first optical function of a first ophthalmic lens LI is provided, the first optical function including at least a first set of values of an optical parameter Gj, the values of the first set of values corresponding to the values of the optical parameter of the first ophthalmic lens in a set of gaze directions, a similar second optical function providing step directed to a second ophthalmic lens L2, a subsets determining step, during which at least a first and a second subset of gaze directions are selected, a comparison step for each subset of gaze directions, an assignment step, during which a subset status is assigned to each subset of gaze directions, the subset status being selected among at least three levels.

Abstract: The purpose of the present invention is to provide novel contact lens manufacturing method and contact lens capable of giving a lens inner surface shape reflecting a cornea shape of a contact lens wearer more easily than before with sufficient accuracy to reflect the cornea shape, thereby improving comfort during use. By using statistical information on a corneal surface shape obtained from a population of target eyes having a feature to be treated, a fitting for a rotationally-symmetric shape is performed based on a definitional equation using a radius of curvature (R) and a conic constant (C.C.) while a fitting for a rotationally-asymmetric shape is performed based on a definitional equation using a Zernike function. A shape of a lens rear surface (20) corresponding to the corneal surface shape specified by these definitional equations is adopted for a rear surface of a peripheral area of a contact lens (10).

Abstract: A spectacle ophthalmic lens mountable on a spectacle frame, the ophthalmic lens including: a fitting cross where the optical power is negative; a first zone extending in a temporal side of the fitting cross, wherein in the first zone when the ophthalmic lens is mounted on the spectacle frame, the optical power increases when a gazing direction moves towards the temporal side, and wherein over a nasal side of the fitting cross, the optical power of the ophthalmic lens is substantially same as at the fitting cross.

Abstract: A system and method for updating a generic ophthalmic lens design is described. The method includes the steps of selecting a generic ophthalmic lens design from a generic ophthalmic lens design database and receiving, over a data-communication network, lens order data associated with at least one individual lens wearer. The method also includes the steps of creating, using the generic ophthalmic lens design and the lens order data, at least one customized ophthalmic lens design being customized for the respective at least one individual lens wearer and updating the generic ophthalmic lens design in the generic ophthalmic lens design database using the at least one customized ophthalmic lens design.

Abstract: The invention relates to a system and to a method for training head movements of a person. Visual stimuli are generated with a visual stimulus generation device for a left and/or right eye of the person. Head movements of the person are captured with a measurement device. The head movement of the person captured with respect to a generated visual stimulus is assessed in a computational unit. Assessment information that is dependent on the assessment of the head movement captured with respect to a generated visual stimulus is then provided for the person with an output device.

Abstract: An accommodating (re-focusable) lens system a body of which includes, upon being assembled, first and second individual lenslets having first and second optical portions sequentially disposed along an optical axis. Change in optical-power accommodation of the system is achieved by changing an applanated area of contact between the lenslets in response to force applied to the lenslets and transformed into an axial force. In specific case, the first and second lenslets form an intraocular lens (IOL) and have respective haptic portions, interlocked as a result of rotating of one lenslet with respect to another such as to bring first and second lenslets in contact at an axial point. The applanated area of contact is changed, then, in response to a radially-directed force caused by a change of distance between the interlocked ends of the haptics and transferred to the optical portions through the interlocked haptics.

Abstract: The purpose of the present invention is to provide novel contact lens manufacturing method and contact lens capable of giving a lens inner surface shape reflecting a cornea shape of a contact lens wearer more easily than before with sufficient accuracy to reflect the cornea shape, thereby improving comfort during use. By using statistical information on a corneal surface shape obtained from a population of target eyes having a feature to be treated, a fitting for a rotationally-symmetric shape is performed based on a definitional equation using a radius of curvature (R) and a conic constant (C.C.) while a fitting for a rotationally-asymmetric shape is performed based on a definitional equation using a Zernike function. A shape of a lens rear surface (20) corresponding to the corneal surface shape specified by these definitional equations is adopted for a rear surface of a peripheral area of a contact lens (10).

Abstract: A contact lens with a toric optical zone has its anterior and posterior optical zone surfaces tilted with respect to one another to forming prism in the optical zone. Thickness profiles of the peripheral region are independent of the tilt angle between the anterior and posterior optical zone surfaces.

Abstract: A system, ophthalmic lens manufacturing equipment, and method for providing an ophthalmic lens. The method includes transmitting an order request of an ophthalmic lens from an ordering side to an ophthalmic lens calculator, the order request including at least prescription data of a wearer of the ophthalmic lens, generating an ophthalmic lens model from the order request, the ophthalmic lens model containing data related to the ophthalmic lens to be provided, the ophthalmic lens model data including geometrical data related to the ophthalmic lens, the geometrical data of the ophthalmic lens model being coded by using mathematical functions to define surfaces of the ophthalmic lens in a continuous way. The method further includes receiving the ophthalmic lens model and the order request at a management entity, and transmitting the ophthalmic lens model from the management entity to an ophthalmic lens manufacturing module.

Abstract: An optical visual aid is disclosed that assists an observer looking at an object through at least one spectacle lens. The optical visual aid has a dioptric power matched to an eye of the observer for at least one viewing direction. The dioptric power is composed of a plurality of dioptric power components. A first dioptric power component of the plurality of dioptric power components has a best possible corrective power for the eye of the observer at a defined distance of the object from the corneal vertex of the eye for the viewing direction. At the same time, a further dioptric power component of the plurality of dioptric power components has an additional astigmatic, partly corrective power for the viewing direction for the eye of the observer at the defined distance.

Abstract: An eyeglass wearing image analysis device includes: an acquisition unit that acquires eyeglass frame type information; and a controller that performs a control operation based on the eyeglass frame type information.

Abstract: Systems and methods for creating fully custom products from scratch without exclusive use of off-the-shelf or pre-specified components. A system for creating custom products includes a computer communicatively coupled with an image capture device and configured to construct an anatomic model of the user based on captured image data and/or measurement data. The computer provides a configurable product model and enables preview and automatic or user guided customization of the product model. A display is communicatively coupled with the computer and displays the custom product model superimposed on the anatomic model or image data of the user. The computer is further configured to provide the customized product model to a manufacturer for manufacturing eyewear for the user in accordance with the customized product model.

Abstract: There is disclosed a method for recommending ophthalmic lens parameters. The method includes receiving user data from a plurality of lens wearers, receiving lens configuration information, and receiving satisfaction information for a plurality of lens wearers. The user data and satisfaction information are analyzed to identify and/or determine lens features based on correlations in the user data and the satisfaction information, including repeating the analyzing when additional user data and additional satisfaction information is received and/or on a regular basis. When new wearer information including a lens prescription for a new wearer and user data for the new wearer is received, lens parameters are produced for the new wearer including evaluating lens manufacturing characteristics based on the analyzing in correlation with the new wearer information.

Abstract: A device and a method for establishing a target design are disclosed. A generator generates a graphical representation of a starting target design and displays it on a display. A user directly manipulates a graphical representation of the starting target design displayed on the display through the graphical user interface. The graphical representation of the manipulated starting target design is updated and displayed on the display.

Abstract: A monitoring system for monitoring the visual behavior of a wearer of a head-mounted device, the monitoring system includes: —a least one wearer's visual behavior sensor configured to sense at least one wearer's visual behavior data relating to the visual behavior of the wearer of the head-mounted device, —a communication unit associated with the at least one wearer's visual behavior sensor and configured to communicate the visual behavior data to a wearer information data generating unit, —a wearer information data generating unit configured to: —receive the wearer's visual behavior data, —store the wearer's visual behavior data, and —generate an wearer information data indicative of at least one of: wearer's vision or general health condition of the wearer or wearer's activity or wearer's authentication based, at least, on the evolution over time of the wearer's visual behavior data.

Abstract: A progressive or progressive multifocal contact lens having a concave eye-contact surface and a convex forward-facing outer surface for receiving and bending light to the eye. The outer surface consists of an upper distance-viewing zone having a curvature surface, a lower near-viewing zone having a curvature surface, and at least one progressive viewing zone having a crescent shape in forward-facing view. The progressive viewing zone can include a progressive upper distance-viewing zone, a progressive intermediate progressive viewing zone, or a progressive lower near-viewing zone, or a combination of such zones. The progressive viewing zone has a crescent shape and consists of distinct progressive viewing segments having a curvature surface that progresses in curvature in series. The distinct progressive viewing segments of the progressive viewing zones can extend to and converge at any point out to or at the outer peripheral edge of the contact lens.

Abstract: Translating contact lenses which are truncated for correcting presbyopia and whose design is optimized to maximize translation ability while maintaining comfort when the lens is worn on eye. Truncation of the lenses results in a non-round geometry while still retaining under-lid residency in select portions of the lens itself. Maximum thickness and back surface radius of curvature along with ramp shape can be optimized individually or in combination to maximize translation of the lens relative to the eye, when the lens is positioned on eye.