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7322699 |
System and method for the non-contacting measurements of the eye
Combined equipment for non-contacting determination of axial length (AL), anterior chamber depth (VKT) and corneal curvature (HHK) of the eye, are also important for the selection of the...
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7311401 |
Eye viewing device comprising eyepiece and video capture optics
There is described in one embodiment an eye viewing device for viewing a structure of an eye such as a retina. The eye viewing device can include an image sensor. In one embodiment an eye viewing...
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7311402 |
Eye optical characteristic measuring instrument
Scattering can be measured by using an optical system having a Hartman-Shack wave-surface sensor. An eye optical characteristic measuring instrument comprises a light source unit 10 for emitting...
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7312765 |
Display system and method for reducing the magnitude of or eliminating a visual artifact caused by a shift in a viewer's gaze
A display system includes an image generator that generates an image and a control circuit that reduces or eliminates the viewer's perception of a visual artifact when the viewer's gaze shifts with...
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7309127 |
Ophthalmic measuring apparatus
A first movement unit for moving a condensing position so that a light flux from a light source is condensed on a place close to a retina of a subject eye, and a second movement unit for optically...
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7309126 |
Eye characteristics measuring device
A device for measuring eye characteristics, an operation device, and the coordinate origin and the coordinate axes of each eye are sufficiently related with one another. A measuring unit ( 111 )...
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7303281 |
Method and device for determining refractive components and visual function of the eye for vision correction
A method and an instrument is provided for measuring aberration refraction of an eye with a first device for measuring the total aberration refraction of the eye and a second device for measuring...
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7300154 |
Ophthalmologic image taking apparatus
Provided is an ophthalmologic image taking apparatus with which an image of the eye to be examined can be taken with an appropriate light intensity and at an appropriate gain. In the case where an...
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7281800 |
Device and method for imaging, stimulation, measurement and therapy, in particular for the eye
Apparatuses whose system parameters and operation can be adapted in particular to a wide range of applications for imaging, testing, stimulating, measuring and treating the eye for carrying out a...
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7278741 |
Display apparatus and method for forming an image on a viewer's retina
A display device for projecting images of an imaging plate into a retina of an eye of a viewer has a light source, a scattering plate for scattering the light from the light source, an imaging...
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7275829 |
Ophthalmic laser irradiation apparatus
An ophthalmic laser irradiation apparatus for irradiating a laser beam onto a patient's eye capable of preventing a deviation of an irradiation position of the laser beam due to a change in a pupil...
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7275826 |
Fundus camera having curved mirror objective
An apparatus ( 50 ) for obtaining an image of the eye, has a light source ( 114 ) for providing an incident illumination and an apertured mirror ( 104 ) for directing at least a portion of the...
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7270415 |
Retina observation apparatus and retina observation method
It is possible to improve the quality of an image of an eyeground, thereby acquiring an optimal image. An eyeground observation system ( 3 ) acquires an eyeground image via a compensation optical...
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7270413 |
Ophthalmic data measuring apparatus, ophthalmic data measurement program and eye characteristic measuring apparatus
It is possible to estimate optical characteristic according to a pupil diameter in daily life of an examinee, correction data near to the optimal prescription value, eyesight, and sensitivity. A...
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7264355 |
Ophthalmologic device and ophthalmologic measuring method
Proposed are an ophthalmologic device and an ophthalmologic measuring method in which, by means of a light projector, a beam of rays, for example a light slit, is projected through a...
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7258442 |
Eye fundus photographing system
An eye fundus photographing system, wherein a three-dimensional moving picture is photographed and displayed in eye fundus of infrared fluorescent photographing. The photographing system includes...
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7258440 |
Ophthalmic photographic apparatus
An ophthalmic photographic apparatus includes an illumination optical system for illuminating an eye fundus and a photographing optical system for photographing an image of the illuminated eye...
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7258444 |
Method and apparatus for screening for retinopathy
A method of screening for retinal disease including directing a first light at a first portion of the retina, directing a second light at a second portion of the retina, measuring a first pupillary...
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7255441 |
Pupil measuring device
A pupil measuring device includes a portion that is positioned adjacent to a subject's eye and which includes a plurality of concentric circles on a lens as well as an opaque film that moves to...
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7255442 |
Device for measuring aberrations in an eye-type system
Device for measuring aberrations in an eye includes, an illumination path with an illumination diaphragm and a test path, imaging member and elements for positioning the eye in relation to the...
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7249852 |
Eye characteristic measuring apparatus
Measurement of an eye characteristic is performed more accurately and at high speed by setting a measurement condition of a light receiving optical system with a long focal point or high...
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7246905 |
Method and an apparatus for the simultaneous determination of surface topometry and biometry of the eye
An apparatus ( 10, 10 ′) for detecting the surface topography of a cornea ( 24 ) of an eye ( 22 ) by dynamic or static projection of a pattern onto the surface of the cornea and detection of the...
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7241012 |
Ophthalmologic apparatus
There is provided an ophthalmologic apparatus which can be effectively used for the clinic of a dry eye by using, as a basic principle, that when a tear film dries up, a corneal shape is changed...
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7237896 |
Ophthalmoscope with integral printer
An ophthalmoscope ( 800 ) includes a lens ( 802 ) and an eyepiece ( 801 ) by which an optometrist, ophthalmologist or general medical practitioner can examine the interior of a patient's eye. The...
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7234815 |
Optical viewing device having an apparatus for partial reduction of the illumination intensity
The invention concerns an optical viewing device which incorporates a spectral filter to partially reduce the intensity or wavelength(s) of light transmitted to a specific region of a specimen...
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7232222 |
Operation microscope
Provided is an operation microscope where manipulations to be performed in response to switching between methods for observing an eye to be operated are performed in an interlocked manner, thereby...
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7229175 |
Ophthalmic image sensing apparatus
An ophthalmic image sensing apparatus includes an examination optical system for examining an eye to be examined, an image sensing optical system for sensing an image of the eye to be examined, an...
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7226166 |
Optimizing the properties of electromagnetic energy in a medium using stochastic parallel perturbation gradient descent optimization adaptive optics
A method optimizes electromagnetic energy in a system for processing an image of an object in order to perform a procedure on an object. A plurality of light beams formed of incoherent light is...
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7222961 |
Method for detecting a functional signal in retinal images
A system and method for detecting a functional signal in retinal images. An optical imaging device comprises a stimulation light source, an interrogating light source, and a detector. The retina is...
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7219999 |
Device for measuring optical characteristic of eye
The position of an object surface is detected with an error reduced on a reflectance boundary surface. A first light source ( 100 ) emits the luminous flux of the first wavelength. A first...
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7216982 |
Eye image taking device
An eye image taking device comprises: an imaging unit for taking the eye of a person to be authenticated, as an eye image; an illumination unit for illuminating the eye of the person to be...
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7216983 |
Ophthalmologic apparatus
According to the present invention, there is provided an ophthalmologic apparatus in which identifying power for the index or an index indicating state is improved to eliminate the confusion of a...
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7210784 |
Image projecting device
A wavefront curvature modulating device is provided with a beam generating system that emits a plurality of beams having different wavefront curvatures, and a beam selecting system that selects at...
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7195354 |
Adaptive ophthalmologic system
A system for improving vision that can diagnose monochromatic aberrations within a subject's eyes, apply the wavefront correction, and then enable the patient to view the results of the correction....
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7174094 |
System and method for reflex-free coaxial illumination
A system is provided for reflex-free coaxial illumination that includes an objective lens group having an optical axis. An illumination source is axially disposed from the objective lens. The...
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7168806 |
Laser treatment apparatus
A laser treatment apparatus comprises: a binocular indirect ophthalmoscope which is fixedly mounted on a head of an operator during use; an irradiation optical system which is placed in the...
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7156518 |
Cataract imaging apparatus
A method is disclosed for quantifying the extent a cataract impairs vision in an eye having a pupil, an ocular lens, and a retina. The method includes illuminating a localized region of the retina...
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7150530 |
Variable spot size illuminator having a zoom lens
The present invention provides variable spot size illuminators that provide a light spot on a treatment plane by utilizing a zoom lens to direct light received from an image of a light source...
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7147328 |
Ophthalmologic photographing apparatus
An ophthalmologic photographing apparatus including: an apparatus main body having an illumination system for illuminating an eye to be examined and an observation system for observing an image of...
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7140730 |
Optical apparatus and method for comprehensive eye diagnosis
An eye examination instrument is presented that can perform multiple eye tests. The instrument includes an illumination optical path and an imaging optical path, wherein a focus element in the...
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7128416 |
Eye refractor with active mirror wavefront sensor
Methods and systems for measuring optical aberrations of an eye are provided. In one embodiment, the present invention provides transmitting light from the eye along an optical path to an...
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7118216 |
Method and apparatus for using adaptive optics in a scanning laser ophthalmoscope
A scanning laser ophthalmoscope incorporates adaptive optics to compensate for wavefront aberrations in the eye. Light from a light source is scanned onto the retina. Light reflected from the...
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7118217 |
Device and method for optical imaging of retinal function
An Optical Imaging Device of Retinal Function has been developed to detect changes in reflectance of near infrared light from the retina of human subjects in response to visual activation of the...
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7114808 |
Apparatus and method for determining objective refraction using wavefront sensing
An apparatus for determining the objective refraction of a patient's eye includes a transparent window and a wavefront measurement device that determines aberrations in a return beam from the...
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7083280 |
Pupil measuring apparatus
A pupil measuring apparatus includes a mark placed in a space where a background is observable by both eyes; a mark moving device for moving the mark between the eyes and the background; an...
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7084986 |
System for measuring the optical image quality of an eye in a contactless manner
A system is used for contactless measurement of the optical imaging quality of an eye with an interferometer by which at least one light pulse with a short coherence length is coupled into the eye...
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7077522 |
Sharpness metric for vision quality
A vision metric, called the sharpness metric, indicates the subjective sharpness of a patient's vision by taking into account both the wavefront aberration and the retinal response to the image. A...
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7077521 |
System and method for reconstruction of aberrated wavefronts
A method and apparatus for improving the resolution of fundus images and correction of optical aberrations is described in which a bundle of electromagnetic beams is directed into an optical system...
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7070276 |
Apparatus and method for accommodative stimulation of an eye and simultaneous ipsilateral accommodative imaging
An apparatus comprising an accommodative stimulation device, an electromagnetic wave exposure device, and an imaging device. The apparatus acquires imaging information about an eye by means of the...
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7072104 |
Operation microscope
Provided is an operation microscope capable of obtaining bright and wide range red reflex on an observation image. Further, an operation microscope suitable for an observation of a retina and a...
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