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7284862 |
Ophthalmic adaptive-optics device with a fast eye tracker and a slow deformable mirror
The present invention contemplates to employ an eye-tracking device in an ophthalmic adaptive-optics system such that slow wavefront sensor and aberration-compensating element can be sufficient for...
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7281796 |
Ophthalmic apparatus
An ophthalmic apparatus which allows a patient to experience a manner of view after surgery (after correction) prior to surgery (prior to correction) and is capable of obtaining information...
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7281798 |
Optometry apparatus
An optometry apparatus comprising: a target projecting optical system adapted for diopter movement, for projecting a target onto a fundus of an examinee's eye to form an image of the target on the...
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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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7264353 |
Ophthalmologic image-taking apparatus
A fixed target position which is synthesized and outputted is shifted to a correct position of a display device in accordance with an image pickup magnification of an eye to be examined. A state in...
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7261416 |
Eye's optical characteristics measuring system
An eye's optical characteristics measuring system, comprising a target projecting means for projecting a target image on a fundus of an eye under test, a photodetecting means for guiding the target...
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7255440 |
Keratectomy data determining device and keratectomy data determining program
The purpose of the present invention is to provide a corneal-ablation-data determining apparatus and a corneal-ablation-data determining program capable of controlling corneal ablation amount...
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7249851 |
Eye characteristic measuring apparatus
An eye characteristic measuring apparatus can effectively and properly measure and display wavefront aberration of an eye regardless of the eye state. A first illumination optical system ( 200 A)...
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7244027 |
Perimeter
A perimeter for examining a visual field condition of an examinee's eye, includes: a target presenting unit a response unit brain activity detecting unit which detects an activity condition of a...
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7244024 |
Eye target apparatus
An eye target apparatus and method helping to control an operative eye focus line of sight position during medical procedures on the operative eye of a cooperative awake patient. The apparatus...
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7227976 |
Method and system for real-time facial image enhancement
The present invention is a system and method for detecting facial features of humans in a continuous video and superimposing virtual objects onto the features automatically and dynamically in...
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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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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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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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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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7128417 |
Refractive power measurement apparatus
A refractive power measurement apparatus capable of measuring a refractive power of an optical system to be measured with a simple constitution at low cost. The refractive power measurement...
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7101044 |
Automated objective characterization of visual field defects in 3D
A method and apparatus for electronically performing a visual field test for a patient. A visual field test pattern is displayed to the patient on an electronic display device and the patient's...
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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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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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7011411 |
Eye's optical characteristic measuring system
An eye's optical characteristic measuring system, comprising a target projecting system for projecting a target image to an ocular fundus of an eye under test, a photodetection optical system for...
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7008415 |
Generating scanning spot locations for laser eye surgery
Scanning spot locations are generated for ablating tissue using a scanning laser beam over a treatment region by taking a target function representing a desired lens profile of ablation with a...
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7001019 |
Image observation apparatus and system
An image observation apparatus is constructed to project image information displayed on an image display device for displaying the image information, onto a retina of an observing eye by a display...
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7001020 |
Complete autorefractor system in an ultra-compact package
An autorefractor system in an ultra-compact package is described for rapidly and objectively measuring the refractive state of the eye. The autorefractor detector system, in conjunction with a...
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7001018 |
Surgical visual feedback and eye fixation method and apparatus
A fixation apparatus is provided that limits rotation of the ocular globe of an eye, to facilitate alignment of an instrument with the axis of astigmatism of the eye. The apparatus includes...
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6997555 |
Method for determining vision defects and for collecting data for correcting vision defects of the eye by interaction of a patient with an examiner and apparatus therefor
There is now provided a method for determining vision defects and for collecting data for correcting vision defects of the eye. The method comprises projecting an image into the eye of the patient...
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6974215 |
Optical instrument
An optical instrument comprising an eye refractive power measurement index optical system ( 50 ) for projecting an eye refractive power index in order to measure the refractive power of an eye (E)...
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6964480 |
Ophthalmic instrument having adaptive optic subsystem with multiple stage phase compensator
An improved ophthalmic instrument for estimating aberrations in the eyes of a patient and providing the patient with a view of optical correction of the aberrations so as to provide instant...
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6839132 |
Aberration measuring method of projection optical system
There is disclosed aberration measuring method of a projection optical system comprising collectively irradiating the finite region of the photomask in which a diffraction grating is formed with...
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6824269 |
Eye's optical characteristic measuring system
An eye's optical characteristic measuring system comprises an aperture diaphragm 14 arranged at a position approximately conjugate to a pupil of an eye 1 under testing and for determining...
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6802837 |
Device used for the photorefractive keratectomy of the eye using a centering method
The invention relates to a device used for the photorefractive keratectomy of the eye, especially LASIK, uses an UV laser beam for ablating parts of the cornea. A centering light beam is arranged...
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6755817 |
Device for medical treatment of the eye using laser illumination
A device for the medical treatment of the eye with laser radiation uses auxiliary radiation for determining the eye position. With the aid of the auxiliary radiation, pictures are taken by means of...
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6752498 |
Adaptive autostereoscopic display system
An autostereoscopic image display apparatus ( 10 ) that adapts to sensed feedback data about an observer ( 12 ) in order to conform its operation to adapt to the position and intraocular dimensions...
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6729728 |
Back projection visual field tester
One embodiment of the present invention is a visual field tester that includes: (a) a projection screen; (b) a stimulus projection system that projects a light stimulus onto a first side of the...
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6715877 |
Method of measurement of wave aberrations of an eye and device for performing the same
Measurement of wave abberations of eye is performed by probing the eye with a narrow beam of laser radiation and measuring the wave front tilts in subapertures of radiation, exiting back from the...
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6712469 |
Video providing apparatus
There is provided a video providing apparatus capable of giving clear video to a patient with an eye disease. The video providing apparatus comprises a parallel light source or a parallel light...
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6712808 |
Laser surgery apparatus
A laser surgery apparatus is provided to minimize a burden on a patient and to obtain a good result of a surgical operation. The laser surgery apparatus for performing surgery on a patient's eye by...
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6695450 |
Ophthalmic characteristics measuring apparatus
There is provided an ophthalmic characteristic measuring apparatus in which when a wavefront measurement is carried out, an adjustment of an exposure amount, such as an exposure time or a light...
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6679606 |
Method for determining accommodation
An automated, objective method for determining the accommodative range and aberration profile of an eye using a wavefront sensor that iteratively determines the change in accommodation of the lens...
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6676258 |
Eye characteristic measurement apparatus with speckle noise reduction
The invention provides an apparatus which detects light quantity distribution characteristics of a measuring target image projected to a fundus of an eye to be inspected and measures eye optical...
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6669341 |
Ophthalmic instrument having wavefront sensor with multiple imaging devices that simultaneously capture multiple images of an array of spots produced by a lenslet array
An improved ophthalmic instrument including a wavefront sensor that estimates aberrations in reflections of the light formed as a spot image on the retina of the human eye. The wavefront sensor...
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6669684 |
Corneal surgery apparatus
A corneal surgery apparatus, for ablating a cornea with a laser beam to correct a refractive error more precisely, includes an ablation amount computing device for obtaining an ablation amount of...
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6652100 |
Retinoscope with magnetic coupling
A streak retinoscope projects an elongate patch of light onto the retina of an eye under examination. A housing ( 1 ) contains means for rotating the patch relative to the eye and adjustable...
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6634750 |
Tomographic wavefont analysis system and method of mapping an optical system
A method of measuring aberrations of a three-dimensional structure of an optical system, such as an eye, includes creating a plurality of light beams, optically imaging the light beams and...
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6608615 |
Passive gaze-driven browsing
Passively tracking a user's eye gaze while the user is browsing a web page and modifying the presentation of the web page to the user based on the tracked gaze. By combining historical information...
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6592574 |
Hydration and topography tissue measurements for laser sculpting
Improved systems, devices, and methods measure and/or change the shape of a tissue surface, particularly for use in laser eye surgery. Fluorescence of the tissue may occur at and immediately...
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6585724 |
Ophthalmic surgery apparatus
An ophthalmic surgery apparatus by which treatment laser beam is irradiated onto a desired portion of a patient's eye and for treatment of the portion, the apparatus includes: a laser irradiating...
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6578965 |
Objective system and method for evaluating ocular changes including assessment of macular integrity and function
A system and method for objectively testing for ocular changes including age-related macular degeneration through reliance on involuntary physical reactions such as the fixation reflex and...
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6575572 |
Method and apparatus for measuring optical aberrations of an eye
Embodiments of the present invention provide a method and apparatus for measurement of aberration of an eye. One or more embodiments provide an aberration measurement instrument that enables...
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6554428 |
Method and apparatus for adjusting optical device to correspond to eye positions
A head-mounted display or other optical device which provides at least a first image to at least one eye of a user can be adjusted for changing the alignment of an image path with respect to a...
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6554429 |
Method for determining accommodation
An automated, objective method for determining the accommodative range and aberration profile of an eye using a wavefront sensor that iteratively determines the change in accommodation of the lens...
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