Visual defects in cases of Down's syndrome and in other mentally handicapped children.
D000293:Adolescent; D001251:Astigmatism / Q000150:complications*; D002386:Cataract / Q000150:complications*; D002648:Child; D002675:Child, Preschool; D003318:Corneal Opacity / Q000150:complications*; D004314:Down Syndrome / Q000150:complications*; D005128:Eye Diseases / Q000150:complications*; D005139:Eyeglasses; D005260:Female; D006801:Humans; D006956:Hyperopia / Q000150:complications*; D008607:Intellectual Disability / Q000150:complications*; D008297:Male; D009216:Myopia / Q000150:complications*; D012029:Refraction, Ocular; D014786:Vision Disorders / Q000150:complications*; D014787:Vision Tests