Diagram describing texts are integral part of science and engineering subjects including geometry, physics, engineering drawing, etc. In order to understand such text, one, at first, tries to draw or perceive the underlying diagram. For perception of the blind students such diagrams need to be drawn in some non-visual accessible form like tactile…

This article emphasizes the importance of good design of tactile diagrams and careful diagram use with blind children. Early educational experiences are suggested to equip blind children for most effective use of diagrams. Methods for teaching diagram use are also suggested, particularly where blind children are educated in integrated settings.…

Reviewed is an American Institutes for Research (AIR) study to identify predictors of Optacon success and to develop and field test appropriate Optacon training materials for use by 112 blind elementary and secondary students in 15 U.S. public and residential schools. Potential use of the Optacon (an optical to tactile conversion device that…

Using a stratified sample of 112 pupils in grades 4-12, a 2-year study was undertaken to (1) assess the outcomes of Optical-to-Tactile Converter (Optacon) training when carried out in various teaching arrangements, (2) identify predictors of Optacon success, and (3) observe the effect of Optacon training on student attitudes. In addition to…

A guide to the instruction of students with disabilities is presented to enhance learning in a college or university setting. Various adjustments that can be made in the environment or in teaching style are suggested. The following categories of disabled students are addressed: blind students, partially sighted students, deaf or hearing-impaired…