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Subnormal binocular vision in the Williams syndrome

S E Olitsky1, L S Sadler, J D Reynolds

  • 1Department of Ophthalmology, Children's Hospital of Buffalo, State University of New York at Buffalo 14222, USA.

Journal of Pediatric Ophthalmology and Strabismus
|January 1, 1997
PubMed
Summary

Williams syndrome patients often have strabismus, potentially due to vision issues. This study found a high prevalence of subnormal binocular vision in individuals with Williams syndrome, which may explain their frequent strabismus.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Pediatrics

Background:

  • Williams syndrome is a genetic disorder associated with various medical complications.
  • A high prevalence of strabismus has been observed in patients with Williams syndrome.
  • The underlying cause of strabismus in this population is not fully understood, but sensory abnormalities are suspected.

Purpose of the Study:

  • To investigate the prevalence of subnormal binocular vision in patients diagnosed with Williams syndrome.
  • To explore the relationship between binocular vision status and strabismus in Williams syndrome.

Main Methods:

  • Prospective evaluation of binocular status in patients with Williams syndrome.
  • Ophthalmologic examinations were conducted on a cohort of patients from an interdisciplinary clinic.

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Main Results:

  • Twenty-seven percent (3/11) of evaluated patients presented with strabismus.
  • Among the eight patients without measurable strabismus, six exhibited monofixation syndrome.
  • These findings indicate a significant presence of subnormal binocular vision.

Conclusions:

  • Subnormal binocular vision is highly prevalent in individuals with Williams syndrome.
  • This visual impairment may be a contributing factor to the high incidence of strabismus observed in this genetic disorder.