The current definition of Cerebral Visual Impairment (CVI) includes all visual dysfunctions caused by damage to, or malfunctioning of, the retrochiasmatic visual pathways in the absence of damage to the anterior visual pathways or any major ocular disease. CVI is diagnosed by exclusion and the existence of many different causes and symptoms make…

Three experiments tested the ability of 11 children (ages 6-10) with low vision to recall black-and-white line drawings. Unlike fully sighted age-matched controls, children with low vision recalled best when left to study pictures without verbal intervention. They also named significantly fewer of the remembered pictures correctly. (Author/PB)

The report presents the results of an evaluation of the educational impact in two Los Angeles County, California, elementary schools, of Interactive Classroom Television Systems (ICTSs -- closed circuit systems that permit continuous two-way visual communication between teachers and partially sighted students and enable such students to make the…

Sixteen partially seeing children in grades 1 to 8 who were enrolled in a special resource room program were slected for differential diagnosis; their characteristics as a group and as individuals were delineated. Tests administered were the Stanford-Binet Intelligence Scale, Illinois Test of Psycholinguistic Abilities, Wechsler Intelligence Scale…

In the analysis of ability structure and loss of vision, 228 blind persons (153 male, 75 female) heterogenous in respect to chronological age, sex, degree of blindness, age at onset, and duration, were compared to sighted controls. A test battery was administered which included tests for verbal comprehension, mental arithmetic, spatial ability,…