A survey of visual skills of institutionalized retarded patients.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004519:Education, Special; D005139:Eyeglasses; D005260:Female; D006760:Hospitalization; D006778:Hospitals, Psychiatric; D006801:Humans; D008607:Intellectual Disability / Q000150:complications*; D007360:Intelligence; D008297:Male; D008875:Middle Aged; D009907:Optometry; D010414:Pennsylvania; D012017:Referral and Consultation; D014786:Vision Disorders / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology*; D014787:Vision Tests; D014792:Visual Acuity