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Accommodative dysfunction in children with cerebral palsy: a population-based study.

Julie F McClelland1, Jackie Parkes, Nan Hill

  • 1Vision Science Research Group, Biomedical Sciences, University of Ulster, Northern Ireland, United Kingdom. jf.mcclelland@ulster.ac.uk

Investigative Ophthalmology & Visual Science
|April 28, 2006
PubMed
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Children with cerebral palsy (CP) show significantly reduced accommodative responses compared to peers. This visual dysfunction is linked to more severe motor and intellectual impairments in children with CP.

Area of Science:

  • Ophthalmology
  • Pediatric Neurology
  • Developmental Neuroscience

Background:

  • Cerebral palsy (CP) is a group of disorders affecting movement and posture due to early brain injury.
  • Visual impairments, including accommodative dysfunction, are common in children with CP.
  • Understanding these visual deficits is crucial for comprehensive care and development.

Purpose of the Study:

  • To investigate the prevalence and characteristics of accommodative dysfunction in children with CP.
  • To assess the relationship between accommodative dysfunction and the type/severity of CP.
  • To compare visual function in children with CP to a control group.

Main Methods:

  • Recruited 90 children with CP (aged 4-15) from the Northern Ireland CP Register.

Related Experiment Videos

  • Utilized modified Nott dynamic retinoscopy to measure accommodative lag/lead at various distances.
  • Included an age-matched control group (n=125) for comparative analysis.

    • Main Results:

    • Children with CP exhibited significantly reduced accommodative responses compared to controls.
    • Over half (57.6%) of children with CP showed abnormal accommodative lag.
    • Reduced accommodation correlated significantly with increased motor and intellectual impairment severity.

    Conclusions:

    • Early brain injury, as seen in CP, substantially impacts accommodative function.
    • Findings highlight the need for specialized optometric care for children with CP.
    • This research enhances understanding of how early brain injury affects visual development.