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Gutterman, Jo Ellin; And Others – Journal of Visual Impairment and Blindness, 1985
The Perkins-Binet Test of Intelligence for the Blind, Form U; the Wechsler Intelligence Scale for Children-Revised (WISC-R), Verbal Scale; and the Wide Range Achievement Test (WRAT) were administered to 52 low-vision children in the third, fifth, seventh, and ninth grades. Results indicated that the mean ten scores on the two tests of intelligence…
Descriptors: Elementary Education, Intelligence Tests, Partial Vision, Test Validity

Langset, Marit; And Others – Scandinavian Journal of Educational Research, 1981
Children and adolescents who had positive Dye Tests for toxoplasmosis had lower performances on all verbal subtests than those with negative Dye Tests. The impairment was comparable to subjects with brain damage. Subjects with congenital sight deficiency and positive Dye Tests showed progressive intellectual impairments. (Author/CM)
Descriptors: Adolescents, Blindness, Children, Comparative Analysis