To develop a battery of tasks to predict and improve mobility performance, a series of functional vision tasks (texural shearing, degraded images, embedded figures, and parafoveal attention) were generated by a microcomputer. Sixty visually impaired subjects given either computerized task training or real-life training improved their low vision…

Describes four models of the psychological process of reading, and relates them to computer technology. The physiological process of reading printed text from a display screen is discussed, including spacing, the configuration of letters, vision problems, and lighting and glare. The quality of computer printouts is also discussed. (41 references)…