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Pupil patents


This page is updated frequently with new Pupil-related patent applications.

Date/App# patent app List of recent Pupil-related patents
 Systems, devices, and methods for eyebox expansion in wearable heads-up displays patent thumbnailnew patent Systems, devices, and methods for eyebox expansion in wearable heads-up displays
Systems, devices, and methods for eyebox expansion by exit pupil replication in wearable heads-up displays (“whuds”) are described. A whud includes a scanning laser projector (“slp”), a holographic combiner, and an exit pupil selector positioned in the optical path therebetween.
Thalmic Labs Inc.

 Quantitative pupillometry as a bedside predictor of postoperative respiratory depression patent thumbnailnew patent Quantitative pupillometry as a bedside predictor of postoperative respiratory depression
A non-invasive bedside tool for monitoring central nervous system effects of opioids. The tool illustratively comprises a quantitative pupillometry system for predicting a probability of at least one opioid-related central effect based on detected pupillary effects..
Children's Hospital Medical Center

 Image generation method, image generation apparatus, program, and storage medium patent thumbnailImage generation method, image generation apparatus, program, and storage medium
An image generation method is provided for generating an output image from an input image acquired by an image sensor that has an array of mnitple pixels, each of which has arranged therein multiple sub-pixels that each receive a light beam that passes through a different pupil sub-area of an imaging optical system. The method includes a step of generating multiple parallax images that respectively correspond to the different pupil sub-areas; a step of generating multiple pixel shifted images by performing different shifting for each of the parallax images according to a virtual image forming plane of the imaging optical system; and a step of generating an output image that has a higher resolution than the resolution of the parallax images from the pixel shifted images through composition processing..
Canon Kabushiki Kaisha

 Image processing apparatus patent thumbnailImage processing apparatus
Provided is an image processing apparatus, including: pixel portions each configured to output a first added signal obtained by adding signals output from a first group among a plurality of photoelectric converters and output a second added signal obtained by adding signals output from a second group, which is a part of the first group; an added signal separation unit configured to generate a third added signal by subtracting the second added signal from the first added signal, and output the second and the third added signal; a phase difference measurement unit configured to perform a phase difference measurement based on the second and the third added signal; and an image pickup element drive unit configured to change a combination of photoelectric converters included in the second group so as to change a pupil division direction for the phase difference measurement performed in the phase difference measurement unit.. .
Canon Kabushiki Kaisha

 Method for designing freeform surfaces off-axial imaging system with a real exit pupil patent thumbnailMethod for designing freeform surfaces off-axial imaging system with a real exit pupil
A method for designing freeform surface off-axial three-mirror imaging system with a real exit pupil is related. An initial system is established.
Hon Hai Precision Industry Co., Ltd.

 Dynamic lighting for head mounted device patent thumbnailDynamic lighting for head mounted device
A head mounted device includes a helmet, an ambient light sensor, a pupil dimension sensor, a lighting element, and a dynamic lighting system. The ambient light sensor is disposed in an outside surface of the helmet and measures ambient light outside the helmet.
Daqri, Llc

 Rotating slit-scan fundus imager patent thumbnailRotating slit-scan fundus imager
An improved fundus imager for recording an image of a fundus of an eye is described. A line from a point on the fundus at a center of the image to a center of a pupil of the eye defines an axis.
Carl Zeiss Meditec, Inc.

 Dynamic optimization of light source power patent thumbnailDynamic optimization of light source power
Technologies for power optimization of light sources include an imaging device to generate a captured image of a subject. The imaging device analyzes the captured image to determine, in the captured image, a location of the subject's eye relative to the imaging device, an iris-pupil contrast of the subject's eye, and a glint intensity of glints present on the subject's eye.

 Imaging device patent thumbnailImaging device
The present invention provides an imaging device capable of greatly reducing the assignment number of light reception cells assigned to each microlens of an array lens and increasing the number of pixels of images having different characteristics that are captured simultaneously. One aspect of the present invention is an imaging device that includes an imaging optical system including a center optical system (wide-angle lens) and an annular optical system (telescopic lens) that share an optical axis, an image sensor, and an array lens arranged on the incidence side of the image sensor and including microlenses (pupil imaging lenses).
Fujifilm Corporation

 Method and  correcting distortion on holographic display patent thumbnailMethod and correcting distortion on holographic display
A method and apparatus for correcting a distortion of a holographic display. The method includes tracking a location of a viewing window by tracking a location of a pupil of a user and calculating a central location of the viewing window, generating a wavefront aberration by determining an object point and an image point based on a location of a light source and the central location of the viewing window and using ray tracing, and calculating a complex aberration light field using the generated wavefront aberration.
Electronics And Telecommunications Research Institute



A projector capable of reliably reducing speckle noise includes a light modulation element which modulates laser light, and a projection optical system on which light emitted from the light modulation element is incident. When the center coordinates of an illumination distribution of laser light in an exit pupil of the projection optical system are x=0 and y=0, normalized illumination at each coordinate is p(x,y), and a calculation range of integration is r (mm), the value of ep determined from a specific numerical expression is set in a range according to the color of laser light..
Seiko Epson Corporation


Near-eye display device and methods with coaxial eye imaging

A near-eye display device includes (a) a display unit for displaying a display image, (b) a viewing unit for presenting the display image to the eye and transmitting ambient light from an ambient scene toward the eye, and (c) an eye imaging unit including (i) an illumination module for generating at least three infrared light beams propagating along at least three different, non-coplanar directions, respectively, (ii) a first beamsplitter interface, disposed between the display unit and the viewing unit, for merging at least a portion of each of the infrared light beams with visible display light to direct each portion toward the eye via the viewing unit, and (iii) a camera for imaging, via the viewing unit and the first beamsplitter interface, pupil of the eye and reflections of the infrared light beams incident on the eye, to form one or more images indicative of gaze direction of the eye.. .
Omnivision Technologies, Inc.


Multi-function health professional tool

A multifunction health professional tool, having a pair of scissors with a pair of blades and a pair of handles connected by a pair of shanks. The tool also includes a babinski reflex hammer detachably connected to one of the handles, a taylor reflex hammer having a first portion connected to one of the handles and a second portion connected to the opposing handle, a slide ruler attached to one of the shanks, and a pupil dilator light attached to one of the shanks..


Extendable eyecups for a virtual reality headset

A virtual reality (vr) headset includes an optics block and an electronic display element outputting image light. The optics block includes a lens and an additional lens each configured to direct portions of the image light to corresponding exit pupils.
Oculus Vr, Llc


Hologram projection apparatus using risley prism

A hologram projection apparatus using risley prism is provided, the apparatus including a spatial light modulator (slm) configured to output light incident from a light source through modulation into a hologram image, a light deflector configured to deflect the light output by the slm according to a location of a pupil of a user, and a fixed-focus lens configured to project the hologram image on a focal plane using the deflected light.. .
Electronics And Telecommunications Research Institute


Pupil dependent diffractive lens for near, intermediate, and far vision

A multifocal diffractive lens comprises a multifocal diffractive structure coupled to a refractive component. The refractive component comprises at least one curved surface.
Abbot Medical Optics Inc.


Lighting device having light source and reflector having ellipsoidal reflection surface

A lighting device includes a light source, a reflector having an ellipsoidal reflection surface, an aspherical lens, and an exit pupil. The source is arranged at a first focal point of the reflection surface and a part of the emitted light is reflected from the reflection surface in the direction of a second focal point.
Osram Gmbh


System and controlling method thereof for performing measurements of an eye

A system for performing measurements of an eye comprises: a measurement tool that measures the eye, at least one rest that maintains a facial measurement position and defines a centering rest portion that maintains a lateral facial measurement position; an adjuster mechanism that moves an objective of the measurement tool relative to the eye; and a processing unit configured to control the system. The unit controls the system to position, for a first eye, the objective at a predefined first pre-scan position; scan the objective away from the first pre-scan position until the system detects a pupil of the first eye; and trigger one or more measurements of the first eye dependent on the system detecting the pupil of the first eye..
Wavelight Gmbh


Camera correcting focus detection pixel

A camera system includes an interchangeable lens and a camera main body. The interchangeable lens includes a lens side storage unit that stores pupil related data according to an image height.
Olympus Corporation


Illumination system of a microlithographic projection exposure apparatus

An illumination system of a microlithographic projection exposure apparatus includes a pupil forming unit directing light on a spatial light modulator that transmits or reflects impinging light in a spatially resolved manner. An objective images a light exit surface of the spatial light modulator on light entrance facets of an optical integrator so that an image of an object area on the light exit surface completely coincides with one of the light entrance facets.
Carl Zeiss Smt Gmbh


Method and apparatuses for optical pupil symmetrization

An inspection apparatus may determine precise ov measurements of a target on a substrate using an optical pupil symmetrizer to reduce the inspection apparatus's sensitivity to asymmetry and non-uniformity of the illumination beam in the pupil plane. The inspection apparatus includes an illumination system that forms a symmetrical illumination pupil by (1) splitting an illumination beam into sub-beams, (2) directing the sub-beams along different optical branches, (3) inverting or rotating at least one of the sub-beams in two dimensions, and recombining the sub-beams along the illumination path to symmetrize the intensity distribution.
Asml Holding N.v.


Ocular video display device enabling natural field of view

A video display device is provided that naturally displays a video without blocking an observer's field of view, and includes the following: a display optical system that displays a video; an ocular optical system that guides video light emitted from the display optical system to the optical pupil of an observer; and a support that supports the ocular optical system upon the light path of video light emitted from the display optical system. The support includes a first support plate and a second support plate that face each other, and the ocular optical system is located between the first support plate and the second support plate.
Telepathy Holdings Co., Ltd.


Hybrid image-pupil optical reformatter

A hybrid image-pupil optical reformatter and method for optional use with a spectrometer is disclosed, which performs beam slicing in pupil space and stacks replicas of the input source generated from the pupil beam slices in image space. The optical reformatter comprises a collimator which receives an input light and produces a collimated beam; a first optical element which receives the collimated beam, redirects portions of the collimated beam back toward the collimator as reimaged beams and permits portions of the collimated beam to pass; a second optical element which receives the reimaging beams and redirects the reimaging beams back toward the collimator and the first optical element; to form an output beam comprising the portions of the collimated beams that are not redirected toward the collimator by the first optical element.
Tornado Spectral Systems Inc.


Spectacles and determining the pupil center of both of the wearer's eyes

The invention relates to a pair of spectacles (1) comprising a frame (2), said frame (2) having at least one lens-receiving opening (3) for a lens, and having a right nose section (5) of the frame and a left nose section (6) of the frame, wherein a right eye-capturing camera (7) is arranged in the right nose section (5) of the frame, and a left eye-capturing camera (8) is arranged in the left nose section (6) of the frame.. .


Programmable spectral source and design tool for 3d imaging using complementary bandpass filters

An endoscopic illumination system for illuminating a subject for stereoscopic image capture, includes a light source which outputs light; a first complementary multiband bandpass filter (cmbf) and a second cmbf, the first and second cmbfs being situated in first and second light paths, respectively, where the first cmbf and the second cmbf filter the light incident thereupon to output filtered light; and a camera which captures video images of the subject and generates corresponding video information, the camera receiving light reflected from the subject and passing through a pupil cmbf pair and a detection lens. The pupil cmbf includes a first pupil cmbf and a second pupil cmbf, the first pupil cmbf being identical to the first cmbf and the second pupil cmbf being identical to the second cmbf, and the detection lens includes one unpartitioned section that covers both the first pupil cmbf and the second pupil cmbf..


System, for measuring pupillary distances

A measuring system that embodies a method and a calibration frame for use in measuring pupillary distances is provided. The calibration frame provides true measurements as well as known measurements over a vertical plane co-planar between at least two identified points.


Viewer with enhanced depth perception

A viewer for viewing an object under magnification, the viewer comprising: an objective lens for producing an image of an object located at an object plane and having a radial extent defined by an aperture stop; a partially-transmissive reflector for allowing transmission of light therethrough from the objective lens to a mirror arrangement and providing for reflection of light which is returned thereto from the mirror arrangement; a mirror arrangement which receives a light component from the partially-transmissive reflector, and is located such that a focussed image of the object is produced at the mirror arrangement and light received by the mirror arrangement is reflected back to the partially-transmissive reflector and relayed to produce an image of the object; a viewing lens arrangement for producing an optical image of the object which is viewable by an observer at an exit pupil at a viewing plane; wherein the objective lens has a beam path angle (α) as defined by a distance from the object plane to the objective lens and a radial extent of the aperture stop; wherein the viewer has a viewing angle (β) as defined by a distance along an optical axis from the mirror arrangement to the viewing plane and a radial extent of the exit pupil at the viewing plane; wherein the viewer is configured such that a displacement ratio of the beam path angle (α) to the viewing angle (β) is at least 3:1, whereby the observer is provided with a greater change in depth perception of the object being observed relative to an extent of displacement of a head of the observer.. .
Vision Engineering Limited


Illumination system and illumination optical unit for euv projection lithography

An illumination optical unit for euv projection lithography guides illumination light toward an object field. A field facet mirror of the illumination optical unit has a multiplicity of individual mirrors which are switchable between at least two tilting positions.
Carl Zeiss Smt Gmbh


Apparatus and assessing effects of drugs by recording ocular parameters

The invention is directed to quantification of the effects of drugs on a patient using pupillometric measures. Apparatus and processes for obtaining control and patient measures and deriving relationships from same are provided.
Drexel University


Pupillometry systems, methods, and devices

Pupillometry systems for measuring one or more pupillary characteristics of a patient are shown and described. The puillometry systems include at least one camera for capturing image data of one or snore pupils, at least one radiation source configured to project radiation to the one or more pupils, and a computer system in data communication with the at least one camera, the computer system having a processor and a non-transitory computer-readable storage medium.


Image pickup apparatus and image pickup system

An image pickup apparatus, comprising a point image intensity distribution generating unit configured to generate a point image intensity distribution based on lens light field data and a sensor light-receiving intensity characteristic, the lens light field data including information relating to directions of a plurality of light fluxes emitted from one point of an object position and passing through different regions of an exit pupil of an imaging optical system; and information relating to positions of points on the plurality of light fluxes, the sensor light-receiving intensity characteristic representing light-receiving intensities, which are determined on a light receiving surface of an image pickup element, of light fluxes passing through respective regions of an entrance pupil of a microlens arranged over the image pickup element.. .


Illumination system for illuminating a mask in a microlithographic exposure apparatus

An illumination system of a micro-lithographic projection exposure apparatus is provided, which is configured to illuminate a mask positioned in a mask plane. The system includes a pupil shaping optical subsystem and illuminator optics that illuminate a beam deflecting component.


Illumination system

An illumination system has illumination optics which guide euv illumination light collected by a collector to an object field. The illumination optics have a field facet mirror and a pupil facet mirror.


Compact articulating telescope

An unobscured afocal three-mirror telescope can provide a two-axis gimbal architecture that is more compact, more lightweight, and less expensive than traditional coudé path approaches. The telescope can create a real exit pupil and position the exit pupil on a 90-degree fold mirror.


Phase contrast microscope

I is a radius of a pupil of the objective.. .


Iris recognition lens system

An iris recognition lens system including a first lens and a second lens disposed on an optical axis and sequentially from an object to take an image of an iris and a pupil. A front part of the first lens includes a reflecting area in a central portion and a transmitting area in a circumferential portion.


Pupilary screening system and method

A method of screening a pupil of a subject to determine whether the pupil reflex resembles a canonical pupil reflex is disclosed. The method comprises the steps of stimulating the pupil with a stimulus source, such as a pupilometer and determining whether one of various pupillary response conditions is met..


Imaging device and imaging method

The imaging device of the present invention includes: an image sensor 14 that is configured such that a plurality of pixels having an organic layer (14-4) for photoelectric conversion is two-dimensionally arranged, and each pixel of the image sensor (14) is divided into a plurality of regions, and has an on-chip microlens (15), which forms a pupil image of a optical imaging system on the plurality of regions, and reading sections (16) which respectively read photoelectrically converted signals of the plurality of divided regions; an optical diaphragm that mechanically stops down rays which are incident into the image sensor 14; and an electronic diaphragm section that electronically controls an aperture value, and that selects signals of the divided regions corresponding to the aperture value from the signals of the plurality of divided regions, on the basis of the aperture value which is controlled by the optical diaphragm.. .


Imaging device and imaging method

The imaging device 1 has an image sensor 14 and an electronic diaphragm section. In the image sensor 14, a plurality of pixels having an organic layer for photoelectric conversion is two-dimensionally arranged.


Imaging apparatus

Provided is an imaging apparatus having a plurality of light receiving parts for each one microlens in order for capturing a three-dimensional image, while being capable of obtaining a more natural image when creating a two-dimensional image. The imaging apparatus includes: a microlens array (2) having a plurality of microlenses (20) regularly aligned two-dimensionally; an imaging lens for imaging light from a subject onto the microlens array (2); and a plurality of light receiving parts (22l, 22r) disposed for each of the plurality of microlenses (20).


Digital optical instrument having a folding bridge

The invention relates to a digital optical instrument including two eyepieces and a folding bridge for adapting the eyepiece distance to the interpupillary distance of the user. In an image recorded by an image sensor, a first bounding frame which is tilted about a first tilt angle relative to the image sensor, is defined and bounds a first portion of the recorded image, wherein the first tilt angle is defined depending on the folding angle.


Rotatable oblique-viewing stereoendoscope

Rotatable, oblique-viewing stereoendoscope including a dual-pupil aperture divided to a first pupil and a second pupil, a proximal objective assembly positioned proximally to the dual-pupil aperture, a first image sensor configured to detect a first image focused by the proximal objective assembly and a second image sensor configured to detect a second image focused by the proximal objective assembly, a relay system positioned distally to the dual-pupil aperture and a front optical system positioned distally to the relay system, the front optical system including a folding prism, wherein the front optical system is configured to reimage the dual-pupil aperture at a distal end thereof, thereby producing an image of the first pupil and an image of the second pupil at a distal pupil plane and wherein the stereoendoscope does not include a negative power lens positioned distally to the folding prism.. .


Method for measuring two pupils and dual-pupil measuring device

A method for measuring two pupils includes a number of steps. A first visible light beam and a first invisible light beam are emitted toward a right eye.


Head-mounted optical coherence tomography

The invention provides a system and method for obtaining ophthalmic measurements whereby the inventive device is configured to be head mountable, automatically axially length aligned with a selected target, and laterally aligned so that light from an oct source enters through the pupil of the eye under test. The frame of the head mountable oct is customizable, capable of analyzing both the left and right eye of a subject.


Vehicle lighting control system using wearable glasses and the same

A vehicle lighting control system includes wearable glasses configured to recognize pupils of a driver in a vehicle in real time, a head unit configured to receive a size of the pupils of the driver from the wearable glasses to acquire brightness control values of a plurality of lighting devices installed in the vehicle according to a predetermined formula, and a controller configured to adjust brightness of the lighting devices installed in the vehicle according to the brightness control values received from the head unit.. .
Hyundai Motor Company


Imaging device, ranging device and imaging apparatus

An imaging device includes a first imaging area having a plurality of first pixels and a plurality of second pixels arranged therein and a second imaging area having a plurality of first pixels and a plurality of third pixels arranged therein. Each of the first pixels, each of the second pixels and each of the third pixels receive a light flux from first, second and third pupil areas, respectively, of the exit pupil of an optical system and operate for photoelectric conversion.
Canon Kabushiki Kaisha


Solid-state image sensor and image capturing apparatus using the same

The present invention provides a solid-state image sensor in which degradation in image quality can be reduced. The solid-state image sensor includes an optical isolation layer between a pupil dividing unit and a plurality of photoelectric conversion units.
Canon Kabushiki Kaisha


Optimized stereoscopic visualization

The present invention discloses a method comprising: calculating an x separation distance between a left eye and a right eye, said x separation distance corresponding to an interpupilary distance in a horizontal direction; and transforming geometry and texture only once for said left eye and said right eye.. .
Intel Corporation


Self-service prescription eyewear kiosk

A self-service eyewear ordering kiosk is disclosed. Customers may order eyewear at the kiosk without requiring assistance from retail sales associates or from optical professionals.
Essilor International (compagnie Generale D'optique)


Systems and methods for measuring reactions of head, eyes, eyelids and pupils

Systems and methods are provided to measure reaction times and/or responses for head, eye, eyelid movements, and/or changes in pupil geometry. The system includes eyewear or headwear including one or more eye-tracking cameras for monitoring the position and geometry of at least one eye and its components of the user, one or more scene cameras for monitoring the user's surroundings, and one or more processors to determine reaction times.
Eyefluence, Inc.


Method for determining ocular measurements using a consumer sensor

Disclosed is a method for determining at least one ocular measurement (pupillary distance, mono pupillary distance and/or heights) of a user, using a consumer-type digital image sensor. The method uses at least one image of the user's head, acquired by the image sensor and containing an object of known size.


Light-restricted projection units and three-dimensional display systems using the same

The invention features a multi-view display system based on planar- or circular-aligned light-restricted projection units. A light-restricted projection unit is constituted by a display panel, a directional imaging structure transmitting optical messages from the display panel along a specific direction, and baffles encasing the display panel/directional imaging structure pair for light blocking.
Sun Yat-sen University


Imaging apparatus and control method thereof

Provided is an imaging apparatus including an imaging element including a pixel unit having first and second photoelectric conversion units configured to generate image signals by photoelectrically converting optical fluxes passing through different regions into which an exit pupil of an imaging optical system is divided for one micro-lens. The imaging apparatus controls each of the timing of a first removal operation of removing a noise component from a first image signal read from the first photoelectric conversion unit and the timing of a second removal operation of removing a noise component from a second image signal read from the first and second photoelectric conversion units to have a predetermined relationship with a frequency of a noise source occurring during an operation of reading the image signals..
Canon Kabushiki Kaisha


Lens array-based illumination for wafer inspection

Systems configured to provide illumination for wafer inspection performed by a wafer inspection tool are provided. One system includes one or more pupil lenses configured to focus a first far field pattern having a shape different than a shape of light generated by a light source.
Kla-tencor Corporation


Observation apparatus

An object is to enable lsm observation while correcting aberrations, as well as illumination with a desired pattern, using a single lcos. An observation apparatus of the present invention includes an objective lens that focuses laser light emitted from a light source and radiates the laser light onto a specimen; an lcos disposed at a position optically conjugate with the pupil position of the objective lens and capable of modulating, according to a wavefront modulation pattern, the wavefront of the laser light to be radiated onto the specimen by the objective lens; a scanner disposed at a position optically conjugate with the lcos and capable of two-dimensionally scanning the laser light to be radiated onto the specimen by the objective lens; a focusing mechanism that adjusts the focal position, in the specimen, of the objective lens in the optical axis direction; and a control unit that controls the lcos such that the lcos corrects aberrations at the focal position adjusted by the focusing mechanism and forms a desired illumination pattern on the specimen..
Olympus Corporation


Apparatus for recognizing pupillary distance for 3d display

An apparatus for recognizing a pupillary distance for three-dimensional (3d) display includes a display configured to output a 3d image corresponding to a reference pupillary distance, a controller configured to control a viewing cone included in the 3d image, and a user inputter configured to receive a user feedback indicating whether an artifact is viewed in the 3d image in response to the controlling of the viewing cone. The controller may move the viewing cone within a margin corresponding to the reference pupillary distance, and change the reference pupillary distance or determine the reference pupillary distance to be a desired pupillary distance of the user based on the user feedback..
Samsung Electronics Co., Ltd.


Image sensor, image capturing apparatus, focus detection apparatus, image processing apparatus, and control image capturing apparatus

An image sensor in which pixels, each having a photoelectric conversion region divided into a plurality of regions, are arranged two-dimensionally, the image sensor comprising: a first pixel, from the pixels, for which each of photoelectric conversion regions divided in a first direction receives a light beam that passes through a pupil region; and a second pixel, from the pixels, for which each of photoelectric conversion regions divided in a second direction different to the first direction receives a light beam that passes through the pupil region; wherein the first pixel outputs signals having parallax in the first direction from the photoelectric conversion regions divided in the first direction, and the second pixel outputs signals having parallax in the second direction from the photoelectric conversion regions divided in the second direction.. .
Canon Kabushiki Kaisha


Ergonomic head mounted display device and optical system

This invention concerns an ergonomic optical see-through head mounted display device with an eyeglass appearance. The see-through head-mounted display device consists of a transparent, freeform waveguide prism for viewing a displayed virtual image, a see-through compensation lens for enabling proper viewing of a real-world scene when combined together with the prism, and a miniature image display unit for supplying display content.
Magic Leap, Inc.


Devices and methods for monitoring non-invasive vagus nerve stimulation

Devices and methods are disclosed that treat a medical condition, such as migraine headache, by electrically stimulating a nerve noninvasively, which may be a vagus nerve situated within a patient's neck. Preferred embodiments allow a patient to self-treat his or her condition.
Electrocore, Llc


Method of measuring and analyzing ocular response in a subject using stable pupillary parameters with video oculography system

A method of measuring and analyzing an ocular response in a subject comprising the steps of: providing a video oculography based system for the subject with the system configured to collect eye images in excess of 60 hz and configured to resolve eye movements smaller than at least 3 degrees of motion; collecting eye data with the video oculography based system wherein at least one stimulus is presented to only one eye of the subject and configured to yield a pupil eye response from at least one eye of the subject; calculating pupilometry measurements from the eye data, wherein the pupil measurements are calculated independently for the subject's left and right eyes for each stimulus presented to the subject, and wherein comparative left and right pupilometry measurements from the eye data are calculated; analyzing a subject's ocular response based upon at least one of the calculated pupilometry measurements.. .
Neuro Kinetics, Inc.


Multifocal display

A multifocal display for rendering a 3d scene as a series of 2d images. In one aspect, the multifocal display includes a display, an optical imaging system, a refractive focus actuator and a controller.
Ricoh Company, Ltd.


Display apparatus

A display apparatus includes a frame and an image display apparatus for a left eye 3 and an image display apparatus for a right eye which are attached to the frame. Each image display apparatus 30 includes an image forming apparatus 40 and an optical system 50 configured to guide an image from the image forming apparatus 40 to a pupil of an observer 10.
Sony Corporation


3-dimensional electro-optical see-through displays

An exemplary display is placed in an optical pathway extending from an entrance pupil of a person's eye to a real-world scene beyond the eye. The display includes at least one 2-d added-image source that is addressable to produce a light pattern corresponding to a virtual object.
The Arizona Board Of Regents On Behalf Of The University Of Arizona


Head-up display device and illuminating device for head-up display device

An image displayed on an image display unit is illuminated by an image illumination unit, and the image is displayed for a driver using a display optical system having at least one concave mirror element. The image illumination unit has a light emitting surface that emits an illumination light, and a lens array that divides and focuses an entrance pupil of an eye box onto the light emitting surface.
Denso Corporation


Systems and methods for configuring the display resolution of an electronic device based on distance and user presbyopia

Systems and methods dynamically configure a display (104) of an electronic device (102) to a desired display resolution and/or a magnification factor without noticeable impact on the user viewing experience. According to certain aspects, the distance between a user (100) and the display is measured (1002), and the desired display resolution is determined (1006) based on the distance.
Google Technology Holdings Llc


Displaced porous electrode for frustrating tir and returning light through exit pupil

A brightness enhancing structure for a reflective display incorporates a transparent sheet having an inward hemispherical surface, a backplane electrode, an apertured membrane between the hemispherical surface and the backplane electrode, and a light reflecting electrode on an outward side of the membrane. A voltage source connected between the electrodes is switchable to apply a first voltage to move the particles inwardly through the apertured membrane toward the backplane electrode, and a second voltage to move the particles outwardly through the apertured membrane toward the light reflecting electrode.
Clearink Displays Llc


Light flux diameter-expanding element and display apparatus

A light flux diameter-expanding element (pupil expanding element) which is used in a retina scanning type display apparatus includes a first diffraction grating having a grating pattern extending in a first direction x, a second diffraction grating, a third diffraction grating, and a fourth diffraction grating, and expands a diameter of the incident light flux in a second direction y so as to emit the light. In addition, the light flux diameter-expanding element includes a fifth diffraction grating having a grating pattern extending in the second direction y, a sixth diffraction grating, a seventh diffraction grating, and an eighth diffraction grating, and expands a diameter of the incident light flux in the first direction x so as to emit the light..
Seiko Epson Corporation


Scanning microscope

A scanning microscope includes a scanner, an objective irradiates a sample with illumination light deflected by the scanner, and a beam splitter that is arranged between the objective and an exit pupil position, and that reflects one of the illumination light and observation light from the sample and transmits the other. The objective has the exit pupil position outside the objective..


Eyepiece optical system

An eyepiece optical system is achieved that is suitable for an object image displayed on a miniaturized image display device and can magnify the object image to a high magnification ratio, the distance to the eyepoint is long while achieving a wide apparent visual angle at a short focal length, various aberrations can be favorably corrected while achieving a superior optical quality, and the pupil diameter can be enlarged. The eyepiece optical system includes a first lens element having a meniscus shape with a concave surface on the object side, a positive second lens element, a negative third lens element, and a positive fourth lens element, in that order from the object side toward the eye side..
Ricoh Imaging Company, Ltd.


Visual display with illuminators for gaze tracking

A visual display includes hidden reference illuminators adapted to emit invisible light for generating corneo-scleral reflections on an eye watching a screen surface of the display. The tracking of such reflections and the pupil center provides input to gaze tracking.
Tobll Ab


Methods for objectively determining the visual axis of the eye and measuring its refraction

Provided herein are methods for objectively determining a visual axis of an eye. An optical axis of a measuring instrument is aligned with an unambiguously determinable axis of the eye which is the pupillary axis crossing the vertex of an anterior surface of a cornea and perpendicular to the vertex.
Tracey Technologies, Corp.


Accommodation compensation systems and methods

Methods and systems for obtaining an ocular aberration measurement of an eye of a patient are provided. Exemplary techniques involve obtaining a first induced metric for the eye that corresponds to a first accommodation state of the eye, obtaining a second induced metric for the eye that corresponds to a second accommodation state of the eye, and determining a natural metric of the eye based on the first and second induced metrics.
Amo Development, Llc


Image display apparatus and head mounted display

An image display apparatus which displays, as a virtual image, image in a visual field of a user, including an image generation section to generate image; an illumination section to illuminate light to the image generation section; and a projection section by which the image generated by the image generation section is projected, as a virtual image, into the visual field of the user, the projection section includes: a prism lens formed by integrating, by predetermined unit, a lens to generate the virtual image, with a prism provided thereon with a half mirror film which bends, in the direction of the pupil, a signal light from the image generation section; and aperture restriction unit which is provided on the incident surface of the prism lens, and which allows light in a predetermined area of the signal light from the image generation section to pass therethrough.. .
Hitachi-lg Data Storage, Inc.


System for automatic eye tracking calibration of head mounted display device

A method of automatically calibrating a head mounted display for a user is disclosed. The method includes automatically calculating an inter-pupillary distance value for the user, comparing the automatically calculated inter-pupillary distance value to a previously determined inter-pupillary distance value, determining if the automatically calculated inter-pupillary distance value matches the preexisting inter-pupillary distance value, and automatically calibrating the head mounted display using calibration data associated with matching previously determined inter-pupillary distance value..


Lens and optical observation device

The invention relates to a lens (1), comprising a first lens unit (3), at least one second lens unit (5), and at least one pupil (7) having a pupil radius. The first lens unit (3) and the second lens unit (5) are arranged at a distance from each other along an optical axis (oa) of the objective, such that an intermediate space is present between the first lens unit (3) and the second lens unit (5).
Carl Zeiss Microscopy Gmbh


Structured illumination device and structured illumination microscope device

A structured illumination device includes: a diffraction unit that diffracts light beams of a plurality of wavelengths that are emitted simultaneously or sequentially by a light source into a plurality of diffracted beams; and an optical system that forms interference fringes on a surface of a sample using the plurality of diffracted beams diffracted by the diffraction unit, the optical system including a first optical system and a second optical system that focuses the plurality of diffracted beams at positions on or near a pupil plane of the first optical system, and a magnification characteristic dy(λ) of the second optical system satisfying the condition of (fo·nw−afλ/p)≦dy(λ)≦(fo·na−afλ/p), where a=1 (for m=1, 2) or a=2 (for m=3).. .
Nikon Corporation


Device for imaging sample

An apparatus for imaging a sample arranged in a first medium in an object plane. The apparatus includes an optical transmission system which images the sample in the object plane in an intermediate image in an intermediate image plane.
Carl Zeiss Ag


Computerized pupillary distance measurement system and method

The present disclosure relates generally to a system and method for determining the pupillary distance of a person, more particularly determining the person's pupillary distance by using a computerized screen. The system and method do not require the trip or expense of a doctor or store visit, and are optimized for convenience and cost effectiveness.
Opternative, Inc.


Diffractive element for reducing fixed pattern noise in a virtual reality headset

A virtual reality (vr) headset includes an electronic display element, a corrective element, and an optics block. The electronic display element outputs image light via a plurality of sub-pixels that are separated from each other by a dark space.
Oculus Vr, Llc


Pupil detection light source device, pupil detection device and pupil detection method

A pupil detection light source device includes an aperture disposed to face a subject to allow light from a pupil of the subject to pass therethrough, an illumination light for obtaining a light pupil image toward the subject from the inside or the vicinity of the aperture when seen from the subject, and an illumination light for forming a reflection image with glasses obtained by canceling a reflection image with glasses of the light pupil image using an image difference toward the subject from the inside or the vicinity of the aperture when seen from the subject.. .
National University Corporation Shizuoka University


Exposure method, exposure apparatus, and article manufacturing method

This exposure method comprises a first step of performing the exposure processing by irradiating a projection optical system (the system) by a first pupil plane illumination distribution (the first distribution) of the system; a second step of performing the exposure processing by irradiating the system by a second pupil plane illumination distribution (the second distribution) that is different from the first distribution, after the first step; a change amount obtaining step of obtaining a change amount of an imaging performance of the system in a condition of the second distribution, with respect to the imaging performance in the first step; and a correction amount obtaining step of obtaining a correction amount for correcting the imaging performance in the second step, by using the change amount, wherein, in the second step, the exposure processing is performed by correcting the imaging performance using the correction amount.. .
Canon Kabushiki Kaisha


Optical systems including lens assemblies and methods of imaging fields of view using such optical systems

Optical systems including lens assemblies and methods of imaging fields of view using such optical systems are disclosed. An optical system for imaging a two dimensional field includes a first lens assembly, a first scanning mirror, a second lens assembly, and a two dimensional image sensor.
Corning Incorporated


Measurement systems having linked field and pupil signal detection

Methods and systems for simultaneous detection and linked processing of field signals and pupil signals are presented herein. In one aspect, estimates of one or more structural or process parameter values are based on field measurement signals, pupil measurement signals, or both.
Kla-tencor Corporation


Endoscope image-acquisition device

Here, α is an angle formed by a chief ray at a horizontal maximum image height and an optical axis, θh is a chief-ray correction amount (angle) for the ml at the horizontal maximum image height (h) from the center portion of the imaging element, and θd is a chief-ray correction amount (angle) for the ml at a distance d from the center portion of the imaging element. The distance d is the distance between the center portion of the imaging element and the point of intersection between α line drawn toward the center portion of the imaging element at a degrees from the position of the exit pupil of the objective optical system and the imaging element..


Eye gaze detection apparatus and eye gaze detection method

An eye gaze detection apparatus includes a plurality of illuminators each including a light source for emitting light and disposed symmetrically with respect to a predetermined position, a plurality of imaging units each disposed at an inner or outer position with respect to the plurality of illuminators, a position detector configured to detect a first position indicating a pupil center and a second position indicating a corneal reflection center based on an image of an eyeball of a subject, the image being captured by the imaging unit with the light emitted by the illuminator, and a calculator configured to calculate a fourth position indicating a corneal curvature center, based on the predetermined position, a third position on a display, the first position, and the second position.. .
Jvc Kenwood Corporation


Device for detecting pupil taking account of illuminance and method thereof

The present disclosure relates to a device for detecting a pupil taking account of illuminance and a method thereof, and provides a device for detecting a pupil taking account of illuminance capable of improving detection accuracy of the pupil by detecting a driver's pupil from an image using an adaptive threshold based binarization technique based on a lookup table in which sizes of the pupil corresponding to illuminance are written, and a method thereof.. .


Illumination system for lithographic projection exposure step-and-scan apparatus

Illumination system for a lithographic projection exposure step-and-scan apparatus comprising a light source, a pupil shaping unit, a field defining unit, a first lens array, a first slit array, a second lens array, a third lens array, a second slit array, a fourth lens array, a condenser lens, and a scanning drive unit sequentially arranged along the light beam propagation direction. The illumination system reduces requirements on lens processing, slit scanning speed, and slit scanning precision, therefore may be implemented more easily..


Ophthalmologic irrigation solutions and method

Solutions for perioperative intraocular application by continuous irrigation during ophthalmologic procedures are provided. These solutions include multiple agents that act to inhibit inflammation, inhibit pain, effect mydriasis (dilation of the pupil), and/or decrease intraocular pressure, wherein the multiple agents are selected to target multiple molecular targets to achieve multiple differing physiologic functions, and are included in dilute concentrations in a balanced salt solution carrier..


Apparatus and digital holographic table top display

Disclosed is an apparatus and method for digital holographic table top display. The digital holographic table top display apparatus includes: a camera array configured to capture a plurality of channel images in an omni-directional range from a table by using a plurality of cameras; a controller configured to detect an observer from the plurality of channel images and to track a position of pupils of the observer in at least one channel image from which the observer is detected; and a display configured to reproduce a digital holographic image in a three-dimensional (3d) space according to the tracked position of the pupils..


Apparatus and recognizing iris

An apparatus for recognizing an iris includes: a camera configured to acquire eyeball image data; and a control module configured to estimate the iris based on pupil information extracted from the eyeball image data, acquire at least one candidate boundary line for confirming the iris based on the estimated iris, and select a final boundary line from the at least one candidate boundary line. The iris is recognizable according to the final boundary line..


Eyewear pupilometer

The embodiments disclose an apparatus including an eyewear pupilometer for detecting, measuring and processing a wearer's pupil movement and size, for detecting and processing retinal images, for detecting and processing a wearer's field of view, for broadcasting alerts, for pre-diagnostic screening, for overriding vehicle operation and for measuring, recording and transmitting circadian responses, at least one eyewear pupilometer module including a lens fiber optic camera module, an image processor module, a retinal image infrared detector module, an outward camera module, at least one alert module, an alert light and message projector, a wi-fi module, an automated pullover module, an automated steering module, fiber optic & data cables, a contact lens pupilometer image, sensor and processor module, and at least one eyewear pupilometer module coupled to and/or embedded into eyewear frames and lenses, contact lenses, a vehicle wind shield and protective covers for hand held devices and laptop computers.. .


Optical design of a wide field of view pupil forming hud

A head up display or hud system, including methods and apparatus, suitable for use in a flight simulator. According to the present teachings, a flight simulator hud may be configured to produce a hud image that appears superimposed on a simulated cockpit field of view image, and which has substantially the same relatively short focal distance from the user as the simulated image.


Device for a motor vehicle including an optical area sensor having an optical semiaxis and an optical system having an aperture angle and use of the device in a vehicle

A device is provided, which includes at least one optical area sensor having an optical semiaxis and an entrance pupil. The device also includes an optical element including at least one pair of parallel surfaces.


Imaging device, image processing device, imaging method, and image processing method

An imaging device includes an optical filter, an image sensor, a multi-band estimation section, and a processor including hardware. The optical filter divides the pupil of an imaging optics into a first pupil and a second pupil that differs in wavelength passband from the first pupil.
Olympus Corporation


Image processing apparatus, image processing method, computer program and imaging apparatus

The present invention provides an image processing apparatus that can prevent incorrect correction of an image, which originates in blurring, in image processing of a re-focus image. The image processing apparatus includes: a data acquiring unit which acquires light field data formed by an imaging unit having a pupil dividing function of an exit pupil of an imaging optical system for forming an optical image of an object; an image processing unit which performs a set image processing of image data; an image forming unit which forms the image data to be subjected to the set image processing, using the light field data; and a control unit which controls the image processing unit, to perform the set processing of the image data formed, to form the light field data corrected according to the predetermined image processing..
Canon Kabushiki Kaisha


Imaging apparatus and imaging method

An imaging apparatus includes: an image pickup unit having a plurality of photoelectric converting units for receiving light fluxes from an object which passed through different pupil areas; a distance information generating unit configured to detect light from the object and generate distance information regarding a distance of the object; a determining unit configured to determine whether or not the object exists in a refocusable distance range by a process after an image pickup on the basis of the distance information and a pupil division construction of the plurality of photoelectric converting units; and a control unit configured to control the image pickup of the object by the image pickup unit in accordance with a result of the determination by the determining unit.. .
Canon Kabushiki Kaisha


Image pickup apparatus with emission unit, control method therefor, and storage medium storing control program therefor

An image pickup apparatus capable of obtaining focusing information at the time of photometry for emission control and of controlling an emission quantity appropriately. An image pickup device receives a pair of light beams that pass through different pupil division areas of an imaging optical system with a pair of photoelectric conversion sections.
Canon Kabushiki Kaisha

Pupil topics: Aberration, Imaging System, Nose Surgery, Eyeglasses, Refractive Error, Dysphotopsia, Multifocal, Traumatic Brain Injury, Physiologic, Postoperative, Ocular Lens, Intraocular, Intraocular Lens, Anterior Chamber, Image Capture

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