title: Tracing and training of blind and partially sighted patients in institutions for the mentally retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D001766:Blindness / Q000150:complications* / Q000453:epidemiology; D002648:Child; D006233:Persons with Disabilities / Q000193:education*; D004495:Education of Persons with Intellectual Disabilities; D004519:Education, Special; D005260:Female; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000150:complications; D014792:Visual Acuity