title: Ocular findings among mentally retarded children in Finland.
abstract: The distribution of refractive errors, astigmatism, anisometropia, visual acuity and organic ophthalmic diseases were determined among 149 Finnish mentally retarded (IQ less than 70) children, aged 9-10 years. The case group was classified in 3 categories according to the degree of mental retardation. The control group (n = 100) was selected by random sampling.
mesh_terms: D000293:Adolescent; D000550:Amblyopia / Q000150:complications; D001251:Astigmatism / Q000150:complications; D002648:Child; D005128:Eye Diseases / Q000150:complications* / Q000175:diagnosis; D005260:Female; D005387:Finland; D006801:Humans; D008607:Intellectual Disability / Q000150:complications* / Q000175:diagnosis; D008297:Male; D012030:Refractive Errors / Q000150:complications; D013285:Strabismus / Q000150:complications; D014786:Vision Disorders / Q000150:complications* / Q000175:diagnosis; D014792:Visual Acuity