Teachers at Perkins School for the Blind have been teaching braille to students of all ages for many years. As part of this experience, the teachers at Perkins have seen many capable students of different ages struggle to learn to read and write braille. In particular, they observed students who were unable to sound out or decode words because of…

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…