title: Keratoconus in the mentally retarded.
abstract: Among 212 institutionalized mentally retarded, there were 16 patients with keratoconus (7.5%). Eight of the keratoconus cases were unilateral. The possible role of eye rubbing as well as other etiological factors are discussed.
authors.affiliation: Department of Ophthalmology, University of Bergen, Norway.
authors.forename: O H
authors.initials: OH
authors.lastname: Haugen
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D016039:Corneal Transplantation; D005139:Eyeglasses; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000150:complications / Q000453:epidemiology*; D007640:Keratoconus / Q000150:complications / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D009664:Norway / Q000453:epidemiology; D015995:Prevalence; D014786:Vision Disorders / Q000453:epidemiology; D014792:Visual Acuity