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147 unselected 8-year-olds were given tests of intelligence, reading ability and orthoptic status, including the reference eye test described by Dunlop, Dunlop and Fenelon (1973). We failed to replicate their findings of a raised incidence of convergence deficiency, defective stereopsis and esophoria in children with specific reading disability. Furthermore, in contrast to their results, we found that crossed reference (i.e. reference eye on opposite side to preferred hand) was common in this sample and not associated with reading problems.

Type

Journal article

Journal

Cortex

Publication Date

12/1979

Volume

15

Pages

659 - 666

Keywords

Brain Mapping, Child, Dominance, Cerebral, Dyslexia, Functional Laterality, Humans, Intelligence, Strabismus, Vision Disorders, Visual Acuity, Visual Cortex, Visual Fields, Visual Perception