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Related Experiment Videos

Reduced accommodation in children with Down syndrome

J M Woodhouse1, J S Meades, S J Leat

  • 1Department of Optometry, University of Wales College of Cardiff, United Kingdom.

Investigative Ophthalmology & Visual Science
|June 1, 1993
PubMed
Summary

Children with Down syndrome often exhibit reduced amplitude of accommodation. This study highlights the need for optometric management to consider visual function in this population.

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Area of Science:

  • Pediatric Optometry
  • Developmental Pediatrics
  • Ophthalmology

Background:

  • Accommodation is the eye's ability to change focus, crucial for clear vision at different distances.
  • This visual function is typically assumed to be adequate in children and is infrequently assessed.
  • Children with Down syndrome may present with unique visual challenges requiring specific evaluation.

Purpose of the Study:

  • To investigate the accuracy and amplitude of accommodation in children diagnosed with Down syndrome.
  • To establish normative data for accommodative function in this specific pediatric population.

Main Methods:

  • Development of a novel dynamic retinoscopy technique for rapid and reliable measurement of accommodation.
  • Application of the dynamic retinoscopy technique to a cohort of schoolchildren with Down syndrome and a control group.

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Main Results:

  • A significant finding revealed that 80% of children with Down syndrome in the sample demonstrated a reduced amplitude of accommodation.
  • Comparison with a control group of typically developing children indicated a notable difference in accommodative amplitude.

Conclusions:

  • The study underscores the importance of assessing accommodation in children with Down syndrome.
  • Optometric care for children with Down syndrome should incorporate evaluation and management strategies for accommodative function.