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This book is the outcome of a study of 66 blind preschool children selected from a total of 295 cases known to The University of Chicago Clinics and to the Illinois Department of Public Welfare. Eighty-five per cent of the selected group were blind as a result of retrolental fibroplasia. The remaining group were fullterm children with a variety of other eye conditions.
The selected group were studied intensively by trained psychologists and measured against normally sighted groups of similar age and socioeconomic levels. A matched control group was found to be impossible to obtain. It was found that blindness itself did not change the normal mental functioning of these children or their over-all development. When function did seem to be retarded in the blind children, it did not necessarily mean that it was evidence of a basic mental defect. No evidence was secured that retrolental fibroplasia is associated with
Blindness in Children.. AMA Arch Ophthalmol. 1958;59(4):634-635. doi:10.1001/archopht.1958.00940050190041