Ultra-Low Vision (ULV) assessment: Properties of vision that is close to blindness
نویسندگان
چکیده
منابع مشابه
Low vision and blindness.
A single-topic issue of the Journal of Rehabilitation Research and Development provides a unique opportunity to present new information and to interest new research professionals in meeting the challenges faced by persons with a visual disability. That a single-topic issue of a VA journal is devoted to the area of low vision and blindness is appropriate. The Department of Veterans Affairs (VA) ...
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PURPOSE To develop and psychometrically evaluate a visual functioning questionnaire (VFQ) in an ultra-low vision (ULV) population. METHODS Questionnaire items, based on visual activities self-reported by a ULV population, were categorized by functional visual domain (e.g., mobility) and visual aspect (e.g., contrast) to ensure a representative distribution. In Round 1, an initial set of 149 i...
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We describe an indoor, portable, standardized course that can be used to evaluate obstacle avoidance in persons who have ultralow vision. Six sighted controls and 36 completely blind but otherwise healthy adult male (n=29) and female (n=13) subjects (age range 19-85 years), were enrolled in one of three studies involving testing of the BrainPort sensory substitution device. Subjects were asked ...
متن کاملRepresenting vision and blindness
BACKGROUND There have been relatively few attempts to represent vision or blindness ontologically. This is unsurprising as the related phenomena of sight and blindness are difficult to represent ontologically for a variety of reasons. Blindness has escaped ontological capture at least in part because: blindness or the employment of the term 'blindness' seems to vary from context to context, bli...
متن کاملVision assessment and prescription of low vision devices.
A ssessment of vision and prescription of low vision devices are part of a comprehensive low vision service. Other components of the service include training the person affected by low vision in use of vision and other senses, mobility, activities of daily living, and support for education, employment or leisure activities. Specialist vision rehabilitation agencies have services to provide acce...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2017
ISSN: 1534-7362
DOI: 10.1167/17.15.40