Presented is a report on the 5-year project to develop the Optacon, an electronic device which allows the blind individual to read ordinary printed matter directly and independently. Chapter (1) provides and introduction and overview of the Optacon Project. Summarized in Chapter (2) is a chronological account of the Optacon Project which traces…

Seven studies of the ability of blind students (grades 4-12) to use tactile maps are reported in the last volume of a three-volume final report. The first study involving 36 blind students is explained to have suggested that line tracing and shape recognition skills differentiated good map readers from poor ones. The second study is reported to…