Visual Impairment And Blindness
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Visual Impairment And Blindness
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Author : Giuseppe Lo Giudice
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-09-09
Visual Impairment And Blindness written by Giuseppe Lo Giudice and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-09 with Medical categories.
Blindness and vision impairment affect at least 2.2 billion people worldwide with most individuals having a preventable vision impairment. The majority of people with vision impairment are older than 50 years, however, vision loss can affect people of all ages. Reduced eyesight can have major and long-lasting effects on all aspects of life, including daily personal activities, interacting with the community, school and work opportunities, and the ability to access public services. This book provides an overview of the effects of blindness and visual impairment in the context of the most common causes of blindness in older adults as well as children, including retinal disorders, cataracts, glaucoma, and macular or corneal degeneration.
Causes And Coping With Visual Impairment And Blindness
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Author : Shimon Rumelt
language : en
Publisher: BoD – Books on Demand
Release Date : 2018-09-19
Causes And Coping With Visual Impairment And Blindness written by Shimon Rumelt and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-19 with Medical categories.
About 4% of the world population has visual impairment or blindness. This book is aimed at addressing different causes of visual impairment and blindness, their epidemiology, manifestations, risk factors, prevention of progression, and treatment. It is aimed at encouraging physicians and researchers to increase efforts to prevent irreversible and treat reversible blindness for the betterment of the world. Therefore, it is essential to be fully aware and knowledgeable of the manifestations of the diseases causing blindness, and this book covers some of their different aspects. Each chapter was written by experts from around the globe. Thus, it reflects the importance of the subject.
Assistive Technology For Blindness And Low Vision
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Author : Roberto Manduchi
language : en
Publisher: CRC Press
Release Date : 2018-09-03
Assistive Technology For Blindness And Low Vision written by Roberto Manduchi and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-03 with Medical categories.
Assistive technology has made it feasible for individuals with a wide range of impairments to engage in many activities, such as education and employment, in ways not previously possible. The key factor is to create consumer-driven technologies that solve the problems by addressing the needs of persons with visual impairments. Assistive Technology for Blindness and Low Vision explores a broad range of technologies that are improving the lives of these individuals. Presenting the current state of the art, this book emphasizes what can be learned from past successful products, as well as what exciting new solutions the future holds. Written by world-class leaders in their field, the chapters cover the physiological bases of vision loss and the fundamentals of orientation, mobility, and information access for blind and low vision individuals. They discuss technology for multiple applications (mobility, wayfinding, information access, education, work, entertainment), including both established technology and cutting-edge research. The book also examines computer and digital media access and the scientific basis for the theory and practice of sensory substitution. This volume provides a holistic view of the elements to consider when designing assistive technology for persons with visual impairment, keeping in mind the need for a user-driven approach to successfully design products that are easy to use, well priced, and fill a specific need. Written for a broad audience, this book provides a comprehensive overview and in-depth descriptions of current technology for designers, engineers, practitioners, rehabilitation professionals, and all readers interested in the challenges and promises of creating successful assistive technology.
Visual Impairments
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2002-08-17
Visual Impairments written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-08-17 with Social Science categories.
When children and adults apply for disability benefits and claim that a visual impairment has limited their ability to function, the U.S. Social Security Administration (SSA) is required to determine their eligibility. To ensure that these determinations are made fairly and consistently, SSA has developed criteria for eligibility and a process for assessing each claimant against the criteria. Visual Impairments: Determining Eligibility for Social Security Benefits examines SSA's methods of determining disability for people with visual impairments, recommends changes that could be made now to improve the process and the outcomes, and identifies research needed to develop improved methods for the future. The report assesses tests of visual function, including visual acuity and visual fields whether visual impairments could be measured directly through visual task performance or other means of assessing disability. These other means include job analysis databases, which include information on the importance of vision to job tasks or skills, and measures of health-related quality of life, which take a person-centered approach to assessing visual function testing of infants and children, which differs in important ways from standard adult tests.
Epidemiology Of Eye Disease The Third Edition
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Author : Gordon J Johnson
language : en
Publisher: World Scientific
Release Date : 2012-03-13
Epidemiology Of Eye Disease The Third Edition written by Gordon J Johnson and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-13 with Medical categories.
This unique book is a comprehensive coverage of the epidemiology of the world's major blinding eye diseases, written by internationally acclaimed experts in each field. Edited by world-renowned epidemiologists and ophthalmologists, the chapters on each leading cause of blindness describe its biology, epidemiology, risk factors, clinical trials, possibilities for prevention, and new research avenues. New chapters include Research Synthesis, Epidemiology of Dry Eye Disease, and Epidemiology of Uveitis, as well as programme issues for reaching the goal of eliminating avoidable blindness by 2020.This book is essential for any eye care practitioner interested in the causation or prevention of disease, and should be part of any public health discipline's library with a focus on improving eye health worldwide.
The Encyclopedia Of Blindness And Vision Impairment
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Author : Jill Sardegna
language : en
Publisher: Infobase Publishing
Release Date : 2002
The Encyclopedia Of Blindness And Vision Impairment written by Jill Sardegna and has been published by Infobase Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Medical categories.
A comprehensive guide to causes of blindness, information on diseases and treatments available.
Blind Vision
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Author : Zaira Cattaneo
language : en
Publisher: MIT Press
Release Date : 2011-03-04
Blind Vision written by Zaira Cattaneo and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-03-04 with Psychology categories.
An investigation of the effects of blindness and other types of visual deficit on cognitive abilities. Can a blind person see? The very idea seems paradoxical. And yet, if we conceive of "seeing" as the ability to generate internal mental representations that may contain visual details, the idea of blind vision becomes a concept subject to investigation. In this book, Zaira Cattaneo and Tomaso Vecchi examine the effects of blindness and other types of visual deficit on the development and functioning of the human cognitive system. Drawing on behavioral and neurophysiological data, Cattaneo and Vecchi analyze research on mental imagery, spatial cognition, and compensatory mechanisms at the sensorial, cognitive, and cortical levels in individuals with complete or profound visual impairment. They find that our brain does not need our eyes to "see." Cattaneo and Vecchi address critical questions of broad importance: the relationship of visual perception to imagery and working memory and the extent to which mental imagery depends on normal vision; the functional and neural relationships between vision and the other senses; the specific aspects of the visual experience that are crucial to cognitive development or specific cognitive mechanisms; and the extraordinary plasticity of the brain—as illustrated by the way that, in the blind, the visual cortex may be reorganized to support other perceptual or cognitive funtions. In the absence of vision, the other senses work as functional substitutes and are often improved. With Blind Vision, Cattaneo and Vecchi take on the "tyranny of the visual," pointing to the importance of the other senses in cognition.
Access Technology For Blind And Low Vision Accessibility
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Author : Siu Yue-Ting
language : en
Publisher: APH Press
Release Date : 2019-12-31
Access Technology For Blind And Low Vision Accessibility written by Siu Yue-Ting and has been published by APH Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-31 with Education categories.
This 2nd edition of Assistive Technology for Students Who Are Blind or Visually Impaired: A Guide to Assessment describes the technologies that exist to facilitate low vision and non-visual access to print and digital media. Part 1 gives an overview of current technologies, while part 2 provides a framework to guide technology evaluation.
Assistive Technology For Visually Impaired And Blind People
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Author : Marion Hersh
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-05-12
Assistive Technology For Visually Impaired And Blind People written by Marion Hersh and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-05-12 with Technology & Engineering categories.
Equal accessibility to public places and services is now required by law in many countries. For the vision-impaired, specialised technology often can provide a fuller enjoyment of the facilities of society, from large scale meetings and public entertainments to reading a book or making music. This volume explores the engineering and design principles and techniques used in assistive technology for blind and vision-impaired people. This book maintains the currency of knowledge for engineers and health workers who develop devices and services for people with sight loss, and is an excellent source of reference for students of assistive technology and rehabilitation.