Assistive Technology for Blindness and Low Vision

Assistive Technology for Blindness and Low Vision

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Features

  • Provides a comprehensive overview of the state of the art in assistive technology for persons with visual impairment
  • Details devices such as screen readers, which give a blind person access to the Internet and computer interaction
  • Covers accessible GPS systems, which provide orientation to an unfamiliar environment
  • Includes contributions by world-class experts from various countries doing cutting-edge research in this field
  • Contains extensive references at the end of each chapter

Summary

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.

Table of Contents

Introduction
Roberto Manduchi and Sri Kurniawan
Vision and Vision Rehabilitation
August Colenbrander
Orientation and Mobility
William H. Jacobson
Low Vision: Types of Vision Loss and Common Effects on Activities of Daily Life
Duane Geruschat and Gislin Dagnelie
Accessible Global Positioning Systems
Mike May and Kim Casey
Development, Evaluation, and Lessons Learned: A Case Study of Talking Signs® Remote Infrared Audible Signage
Bill Crandall and James Marston
Evaluating the Effectiveness of Assistive Travel and Wayfinding Devices for Persons Who Are Blind or Visually Impaired
James Robert Marston and Billie Louise (Beezy) Bentzen
Sensory Substitution of Vision: Importance of Perceptual and Cognitive Processing
Jack M. Loomis, Roberta L. Klatzky, and Nicholas A. Giudice
Tactile Reading: Tactile Understanding
Yvonne Eriksson
Camera-Based Access to Visual Information
J. Coughlan and Roberto Manduchi
Screenreaders, Magnifiers, and Other Ways of Using Computers
Alasdair King
Tools for Improving Web Accessibility for Blind Persons
Sri Kurniawan
Accessible DAISY Multimedia: Making Reading Easier for All
George Kerscher, Varju Luceno, and Lynn Leith
Math and the Blind
Arthur I. Karshmer, Yonatan G. Breiter, and Cristian Bernareggi
Video Games for Users with Visual Impairments
Eelke Folmer
Descriptive Video Services
Claude Chapdelaine
Employment, Technology, and Blind People: A Personal Perspective
Mike Cole
Index

Editor Bio(s)

Roberto Manduchi, Ph.D., is a professor of computer engineering at the University of California, Santa Cruz. Before joining UC Santa Cruz in 2001, he worked at Apple Computer, Inc., and at the NASA Jet Propulsion Laboratory, where he conducted research on computer vision for autonomous navigation. His current research interest is in the application of computer vision and sensor processing to assistive technology for people with visual impairment.

Sri Kurniawan, Ph.D., is an associate professor of computer engineering, a faculty member of the Center for Games and Playable Media, and an affiliated faculty of the Digital Arts and New Media at the University of California, Santa Cruz. Her research focuses on human-centered fun and enjoyable interactive systems for health and healthy living. Her current projects include formatting and layout sociotechnical solution for blind authors.

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