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Related Experiment Videos

Keratoconus in the mentally retarded.

O H Haugen1

  • 1Department of Ophthalmology, University of Bergen, Norway.

Acta Ophthalmologica
|February 1, 1992
PubMed
Summary

Keratoconus, a corneal condition, was found in 7.5% of institutionalized individuals with intellectual disabilities. This study explored potential causes, including eye rubbing, for this higher prevalence.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Intellectual Disability Research

Background:

  • Keratoconus is a progressive corneal ectasia.
  • The prevalence of keratoconus in the general population is estimated to be around 1 in 2000.
  • Intellectual disability is associated with various genetic and environmental factors that may influence ocular health.

Purpose of the Study:

  • To determine the prevalence of keratoconus in institutionalized individuals with intellectual disabilities.
  • To investigate potential etiological factors contributing to keratoconus in this population.

Main Methods:

  • A cross-sectional study was conducted on 212 institutionalized patients.
  • Ophthalmic examinations were performed to diagnose keratoconus.
  • Patient history and environmental factors were reviewed.

Main Results:

  • 16 out of 212 patients (7.5%) were diagnosed with keratoconus.
  • 8 of the keratoconus cases were unilateral.
  • Eye rubbing was identified as a potential contributing factor.

Conclusions:

  • Institutionalized individuals with intellectual disabilities exhibit a higher prevalence of keratoconus compared to the general population.
  • Eye rubbing and other etiological factors may play a significant role in the development of keratoconus in this cohort.

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