The paper reviews the effects of absence of vision on perceptual functioning and considers ways in which a modified Optacon (which translates images into tactile presentations) can help visually impaired persons acquire critical cognitive and perceptual knowledge. Background research with the Tactile Vision Substitution System, a system for…

These guidelines address the need for valid and reliable measures to aid in making decisions on teaching of braille and/or print to students with moderate to severe vision losses. After an introductory section, section 1 presents basic principles organized into the following categories: (1) learning media, (2) students who use the learning media,…

This manual assists in developing educational goals and Individual Education Plans for children with visual impairments, by providing guidelines for selecting appropriate learning media for optimum literacy development. Part 1 describes the target populations, the members of the interdisciplinary team, and the team members' responsibilities. Part…