An Overview on Accessibility to the Graphical Study Materials for Visually Impaired or Blind Students

摘要

Equal access to the information, is a basic right of all people in each extent. But blind or the visually impaired students do not get this opportunity, as the graphical study materials have to be accessed with special methods and the adequate methodologies are yet to be implemented. Researchers are investigating this area to make available 100% accessibility to blind and visually impaired people. This paper discusses the existing methods provided to access graphical aids such as mathematical formulas, computer network diagrams, tables and charts by blind and visually impaired students.