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Class 351/224 - Perimeter type


Subclass of Class 351 - Optics: eye examining, vision testing and correcting
Definition: Subject matter including a surface usually illuminated from
No. of patents: 129
Last issue date: 04/24/2012


1        
NumberTitleIssue Date
8162481Method for static visual field scanning apparatus
A method for static visual field scanning apparatus including: a step of visual field scanning screen generating means; step of scanning region setting means; step of fixation image displaying and controlling means; step of scan line setting means; step of scanning ...
04/24/2012
8157379Perimeter and method of controlling perimeter
In a perimeter, luminance judging means measures a sensitivity of an examinee, sensitivity deviation computing means obtains a sensitivity deviation, means for computing ratio to p value obtains a ratio to p value, and means for adding ratios to p value adds ratios ...
04/17/2012
8083352Perimeter
A perimeter of the present invention including: visual field scanning screen generating means; fixation image displaying and controlling means; visual target scan line parallel setting means; statically displaying and controlling means; static display position stori...
12/27/2011
8020996Method of kinetic perimeter
A method for kinetic perimeter of the present invention including: a step of visual field scanning screen generating means; a step of fixation image scan line setting means; a step of fixation image displaying and controlling means; a step of visual target scan line...
09/20/2011
7963654Apparatus and method for subjective determination of the refractive error of the eye
The invention provides for a subjective refractor for determining refractive error of the eye comprising an optical system for presenting at least two targets to the eye, the difference of focus between the targets greater than the predicted depth of focus of the ey...
06/21/2011
7942528Perimeter
A perimeter has fixation state judging means for individually judging a fixation state of an examinee in connection with each presented stimulus, and the fixation state judging means individually judges the fixation state whenever the stimulus is presented. Even if ...
05/17/2011
7798646Method and apparatus for the detection of impaired dark adaptation
The present method describes a new method for the measurement of dark adaptation. The dark adaptation status of subjects may ten be used to identify those subjects who are at risk of developing and/or who are currently suffering from a variety of disease states havi...
09/21/2010
7753524Process and device for treating blind regions of the visual field
A device and method are provided for treating the visual system of a human including the retina, visual cortex and/or other neuro-cellular structures. The method includes the steps of locating and defining a blind zone of deteriorated vision within the human's visua...
07/13/2010
7665847Eye mapping
A method of providing an eye diagnosis. The method includes displaying stimuli to a patient, receiving indications of locations in which the stimuli were perceived by the patient, analyzing the spatial relationship between at least some of the received indicated loc...
02/23/2010
7478911Perimeter
The perimeter comprises a display device 1, infrared light-emitting diodes 2, a CCD camera 3, a half mirror 4, an image processing device 5, a computer 6, and an operating switch 7. The computer 6 shows a fixed...
01/20/2009
7475987Perimeter
It is easy to perceive a stimulus in a central portion of a visual field rather than in a peripheral portion thereof, and it is easy to perceive the stimulus for a younger examinee rather than for an older examinee even if the stimulus having the same luminance is i...
01/13/2009
7475988Perimeter
Perimeter has input means for inputting identification data of an examinee and a kind of perimetry to be conducted, means for judging whether or not the examinee has already received the perimetry, means to read examinee measurement information, means to judge wheth...
01/13/2009
7380941Device and method for assisting development of an infant's visual acuity and for transferring a mother's scent to an infantile environment
A device for assisting the development of an infant's visual acuity and for transferring the mother's scent to an infantile environment. Smooth and supple fabric contacts an area of the mother's body for absorbing a portion of the mother's scent and is thereafter tr...
06/03/2008
7377646Perimeter
A perimeter for examining a state of a visual field of a patient's eye includes: a target presenting unit that presents a stimulation target for examination to the eye, a presentation position and a presentation brightness of the target being variable; a first arith...
05/27/2008
7367671Process and device for the training of human vision
The present invention relates to a process for training the visual system of a human by presenting optical stimuli to said human, said stimuli being presented to a zone within the intact visual field of said human and optionally to a zone outside the intact visual f...
05/06/2008
7367674Perimeter and a method for operating a perimeter
The invention relates to a perimeter and a method for operating a perimeter during a field of vision examination, whereby light stimuli in the field of vision of the person to be tested are presented on an observational surface during the examination process. At lea...
05/06/2008
7354155Astigmatic axis independent spatial frequency and contrast sensitivity target and method
A set of visual targets and a method for using these targets to evaluate the spatial frequency response and contrast sensitivity of the human visual system. The invention includes four choice test, six choice test, sinusoidal bulls eye and fundamental sinusoidal let...
04/08/2008
7326199System and method for flexible architecture for dermatologic treatments utilizing multiple light sources
A system and method for providing light treatments to a patients skin, which could include both dermal and epidermal regions. The system and method utilize multiple hand pieces where each hand piece can deliver light from a different light source. The system and met...
02/05/2008
7325925Perimeter
A Perimeter is provided for designating a perimetry point for an eye to be examined with a fundus image of the eye which has already been provided so as to compensate the individual variation in the position of a blind spot to the maculalutea. ...
02/05/2008
7309129Perimeter
A perimeter for examining a visual field of an eye of a patient, includes: a presentation unit, which presents an examination target at each of various positions around an eye fixation point to which the patient's eye is visually fixed; a position determination unit...
12/18/2007
7309128Automated stereocampimeter and related method for improved measurement of the visual field
In a method for testing the visual field of a patient especially the central visual field, stereoscopic or binocularly displaced fixation images are presented under computer control to the respective eyes of the patient. In addition, a series of test images viewable...
12/18/2007
7301510Methods and apparatus for reducing frame violations in a stereoscopic display
Methods and apparatus are provided for reducing frame violations in a stereoscopic display. A stereoscopic display system for presenting a stereoscopic image to a user suitably includes one or more cameras, each providing a video image, and a video processor. A ster...
11/27/2007
7291140System and method for low average power dermatologic light treatment device
The invention comprises a system and method for providing for pulses or relatively low energy light to an area of skin being treated. Typically, these low energy pulses will include shorter wavelength light, and will provided for multiple pulses of light for the are...
11/06/2007
7278742Systems and apparatus for assessment of visual field functions
Systems, apparatus and associated methods for use in the assessment of visual field functions. In particular, perimetry testing and visual evoked potential (VEP) testing is performed by a visual display device adapted to display visual stimulus patterns and a means ...
10/09/2007
7275830Methods devices and systems for detecting eye disease
Methods and systems for performing an eye test and for detecting eye disease. A test pattern is presented to an individual. The individual fixates an eye on a fixation target. The test pattern is then hidden and a second test pattern is displayed at a different loca...
10/02/2007
7267439Optometric apparatus, optometric method, and optometric server
An optometric apparatus and an optometric method includes the steps of acquiring subject's attributes and an orientation selected by the subject on an astigmatic axis determination chart displayed on the computer screen, displaying vision measurement charts in the a...
09/11/2007
7244027Perimeter
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 visual cortex of the examinee; and an operation unit which determines i...
07/17/2007
7222964Method and arrangement for optically stimulating the visual system
A method and device for optically stimulating the visual system during static perimetry and for objectively evaluating adequate stimulus-related electrophysiological and/or magnetophysiological quantities. Light stimuli with defined parameters derived from a predete...
05/29/2007
7220000Methods, devices and systems for assessing eye disease
Methods and devices for detecting eye disease and for assessing the clinical stage of an eye disease in an individual. The methods include projecting test patterns onto the retina of a tested eye and subjecting the individual to a competing sensory stimuli. The comp...
05/22/2007
7222091Method, system and medium for ordering and marketing eyeglasses via a network
A system and method for remotely ordering and purchasing eyeglasses via a network includes a user interface unit, an eyeglass ordering and marketing service center, and a network that connects therebetween. The system includes an eyeglass frame selection unit for se...
05/22/2007
7211050System for enhancement of neurophysiological processes
Treatment apparatus and method for the enhancement of neurophysiological processes of a patient's visual system utilizes a computer generated display that provides a patient simultaneously with passive visual stimulation images and visual cognitive exercises. The st...
05/01/2007
7155393Method for establishing fixation employing speech recognition
The present invention provides a method for establishing fixation during computerized visual field perimetry, requiring the subject to verbally identify the symbol employed as fixation targets as they each appear. Speech recognition techniques are then employed to e...
12/26/2006
7129981Rendering system and method for images having differing foveal area and peripheral view area resolutions
A client-server arrangement for camera viewing using digital cameras across a computer network. A camera server controls a motorized gimbal which determines the viewing angles of a set of cameras according to signals from a client computer which is equipped with an ...
10/31/2006
7090358System, apparatus and method of displaying information for foveal vision and peripheral vision
A system, apparatus and method of displaying information for foveal vision and peripheral vision are provided. The system, apparatus and method generate a composite display image fully viewable with foveal vision and peripheral vision. The system, apparatus and meth...
08/15/2006
7033025Interactive occlusion system
An interactive occlusion system, including software and hardware, for the treatment of amblyopia using virtual reality or other physically interactive or perceptually immersive three-dimensional or two-dimensional computer generated simulations, in which the patient...
04/25/2006
7029119Objective manifest refraction
An method for providing an objective manifest refraction of a patient's eye includes obtaining at least fourth-order Zernike wavefront aberration information, fitting a second-order only polynomial to the at least fourth-order data, and using this information to pre...
04/18/2006
7006863Method and apparatus for assessing neural function by sparse stimuli
The present invention relates to a method and an apparatus for simultaneously assessing the functional status of component parts of the nervous system by presenting sparse stimuli to one or more parts of the sensory nervous system. Sparse stimuli consist of temporal...
02/28/2006
7001018Surgical 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 fixation target means (12) for locating in the field of view of the e...
02/21/2006
6968127Fundus camera
A fundus camera being capable of moving a fixation target surely and precisely to a position intended for photographing with an adequate degree of freedom for moving the fixation target. The fundus camera is provided with an observation optical system having an obje...
11/22/2005
6916096System and method for recording the retinal reflex image
A system and method for eye examination by scanning light scattered from an area of the retina and projecting light into the eye includes a scanner, a receiver unit, and a projection unit. The scanner is constructed and arranged to scan an area on the retina. The re...
07/12/2005
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