This paper addresses the use of Excel tables to convey information to blind students that would otherwise be presented using graphical tools, such as Data Flow Diagrams. These tables can supplement diagrams in the classroom when introducing their use to understand the scope of a system and its main sub-processes, on exams when answering questions…

Searching for relevant information on the web is an important aspect of distance learning. This activity is a challenge for visually impaired distance learners. While sighted people have the ability to filter information in a fast and non sequential way, blind persons rely on tools that process the information in a sequential way. Learning is…

A path-following experiment, using a global positioning system, was conducted with participants who were legally blind. On- and off-course confirmations were delivered by either a vibrotactile or an audio stimulus. These simple binary cues were sufficient for guidance and point to the need to offer output options for guidance systems for people…

Describes a proposed computer system with voice synthesis for reading Arabic and English textual information for the visually impaired that is an alternative to Braille. The conversion of textual alphabet character information to geometrical shape symbols is explained, and peripheral equipment--including scanners and special keyboards--is…

Focuses on making Web sites accessible for blind and visually impaired people. Discusses the possibility of the Americans with Disabilities Act (ADA) becoming applicable to Web sites; tools that allow the visually impaired to use computers and the Web; 18 guidelines for designing an effective, accessible, and maintainable Web site; and testing for…

This paper describes computer-based optical character recognition (OCR) systems, focusing on their components (the computer, the scanner, the OCR, and the output device); how the systems work; and features to consider in selecting a system. A list of 26 questions to ask to evaluate systems for potential purchase is included. (JDD)