Barriers to Distance Learning in Web Accessibility for Persons with Blindness and Visual Impairment.

Abstract

Browsers and search engines are essential tools for retrieving information in distance learning but this technology is still a challenge for blind and visually impaired persons. Deciding to read or not read a page often requires the listening to an abundance of undesired information. 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 slowed down by screen readers which do not interact well with web pages. In this paper we introduce WAVES, a tool for the fast retrieval of information in a web page for blind and visually impaired people. WAVES uses visual cues and query content to scan web pages and to produce an excerpt of information that helps the blind user to decide if a page is worth reading. Data from the webpage are presented to the reader in a concise and sorted-by-weight format.

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