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for impaired vision

by Liam Smeeth
"... Please refer to usage guidelines at ..."
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Please refer to usage guidelines at

Indoor Spatial Updating With Impaired Vision

by Gordon E Legge , Christina Granquist , Yihwa Baek , Rachel Gage , Gordon E Legge
"... PURPOSE. Spatial updating is the ability to keep track of position and orientation while moving through an environment. We asked how normally sighted and visually impaired subjects compare in spatial updating and in estimating room dimensions. METHODS. Groups of 32 normally sighted, 16 low-vision, ..."
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PURPOSE. Spatial updating is the ability to keep track of position and orientation while moving through an environment. We asked how normally sighted and visually impaired subjects compare in spatial updating and in estimating room dimensions. METHODS. Groups of 32 normally sighted, 16 low-vision

Beam-deflection method of diagnosing impaired vision

by Andreas Frohn, Wolfgang Fink, H. Burkhard Dick, Hans-jürgen Thiel Md
"... We describe a simple method to assign a diagnosis of cataract to patients with obscurely impaired vision as well as to those with mild lens opacities. When the narrowest slit is used in a slitlamp examination, a small beam of light appears on the macula. Routine fundoscopy with the 78.0 diopter lens ..."
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We describe a simple method to assign a diagnosis of cataract to patients with obscurely impaired vision as well as to those with mild lens opacities. When the narrowest slit is used in a slitlamp examination, a small beam of light appears on the macula. Routine fundoscopy with the 78.0 diopter

Labeling Images with a Computer Game

by Luis Von Ahn , 2004
"... We introduce a new interactive system: a game that is fun and can be used to create valuable output. When people play the game they help determine the contents of images by providing meaningful labels for them. If the game is played as much as popular online games, we estimate that most images on ..."
Abstract - Cited by 773 (11 self) - Add to MetaCart
on the Web can be labeled in a few months. Having proper labels associated with each image on the Web would allow for more accurate image search, improve the accessibility of sites (by providing descriptions of images to visually impaired individuals), and help users block inappropriate images. Our system

IMAGE ENHANCEMENT FOR IMPAIRED VISION: THE CHALLENGE OF EVALUATION

by Eli Peli, Russell L. Woods, E. Peli, R. L. Woods
"... With the aging of the population, the prevalence of eye diseases and thus of vision impairment is increasing. The TV watching habits of people with vision impairments are comparable to normally sighted people, 1 however their vision loss prevents them from fully benefiting from this medium. For over ..."
Abstract - Cited by 6 (4 self) - Add to MetaCart
With the aging of the population, the prevalence of eye diseases and thus of vision impairment is increasing. The TV watching habits of people with vision impairments are comparable to normally sighted people, 1 however their vision loss prevents them from fully benefiting from this medium

Measuring perceived video quality of MPEG enhancement by people with impaired vision

by Matthew Fullerton, Russell L. Woods, Fuensanta A. Vera-diaz, Eli Peli - J. Opt. Soc. Am. A Opt. Image Sci. Vis
"... We used a new method to measure the perceived quality of contrast-enhanced motion video. Patients with impaired vision �n=24 � and normally sighted subjects �n=6 � adjusted the level of MPEG-based enhancement of 8 videos (4 min each) drawn from 4 categories. They selected the level of enhancement th ..."
Abstract - Cited by 7 (4 self) - Add to MetaCart
We used a new method to measure the perceived quality of contrast-enhanced motion video. Patients with impaired vision �n=24 � and normally sighted subjects �n=6 � adjusted the level of MPEG-based enhancement of 8 videos (4 min each) drawn from 4 categories. They selected the level of enhancement

PRIMARY TAPETORETINAL DYSTROPHIES AS THE CAUSE OF BLINDNESS AND IMPAIRED VISION IN THE REPUBLIC OF CROATIA

by Suzana Kukulj, Mia Zoriê-geber, Ojdana Bastaiê , 2002
"... Persons, 5,360 blind and impaired vision persons were registered in 2001, with an incidence of 1.3‰. The records contain familial and personal data, data on the underlying disease and ophthalmologic examination findings, including visual acuity of both eyes, fundus examination, biomicroscopic ex-ami ..."
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Persons, 5,360 blind and impaired vision persons were registered in 2001, with an incidence of 1.3‰. The records contain familial and personal data, data on the underlying disease and ophthalmologic examination findings, including visual acuity of both eyes, fundus examination, biomicroscopic ex

The use of visual feedback during signing: Evidence from signers with impaired vision

by Karen Emmorey, Franco Korpics, Karen Petronio - Journal of Deaf Studies and Deaf Education , 2009
"... The role of visual feedback during the production of American Sign Language was investigated by comparing the size of signing space during conversations and narrative monologues for normally sighted signers, signers with tunnel vision due to Usher syndrome, and functionally blind signers. The interl ..."
Abstract - Cited by 2 (1 self) - Add to MetaCart
. The interlocutor for all groups was a normally sighted deaf person. Signers with tunnel vision produced a greater proportion of signs near the face than blind and normally sighted signers, who did not differ from each other. Both groups of visually impaired signers produced signs within a smaller signing space

1 Caught in the Chasm: Literary Representation and Suicide among People with Impaired Vision

by David Bolt
"... Both fictional and factual discourses have situated visual impairment in a causal relationship with suicide. The paper compares samples of these discourses in order to suggest that the fiction may have some bearing on the facts. This alternative explanation becomes all the more thought-provoking whe ..."
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Both fictional and factual discourses have situated visual impairment in a causal relationship with suicide. The paper compares samples of these discourses in order to suggest that the fiction may have some bearing on the facts. This alternative explanation becomes all the more thought

Sign Detection and Driving Competency for Older Drivers with Impaired Vision

by Janine G Walker, Nick Barnes, Kaarin Anstey
"... Driving is a key aspect of independence for many older individuals. However, road safety may be compromised if an individual is not able to perceive adequately the driving environment. In this paper, we examine whether driver assistance systems that are currently the subject of research can help in ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
in this regard. Specifically, can we identify deficits that lead to older adults needing to cease driving, and can technologies reduce the impact of these deficits on driver competence. Results from a study of older adults with cataract who are awaiting surgery showed that impaired visual acuity was associated
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