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A Method to Quantify Visual Information Processing in Children Using Eye Tracking
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Visual function in children with Joubert syndrome.

Federica Morelli1,2, Federico Toni1, Elena Saligari2

  • 1Department of Brain and Behavioural Sciences, University of Pavia, Pavia, Italy.

Developmental Medicine and Child Neurology
|August 18, 2023
PubMed
Summary
This summary is machine-generated.

Children with Joubert syndrome often experience visual impairments, including ocular motor apraxia and retinal issues. These visual deficits are linked to developmental delays and intellectual disability, underscoring the need for early vision assessments.

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Area of Science:

  • Ophthalmology
  • Pediatrics
  • Genetics

Background:

  • Joubert syndrome is a rare genetic disorder affecting brain development, often leading to various neurological and visual impairments.
  • Understanding the spectrum of visual dysfunction in Joubert syndrome is crucial for early diagnosis and management.

Approach:

  • This study retrospectively analyzed clinical and diagnostic data from 59 children diagnosed with Joubert syndrome.
  • Neuro-ophthalmological, developmental, and genetic evaluations were reviewed to identify patterns of visual impairment.
  • Statistical analysis, including chi-squared tests, explored associations between diagnostic and clinical variables and neuropsychological skills.

Key Points:

  • Ocular motor apraxia was prevalent in 75% of patients, alongside frequent refractive errors and retinal abnormalities.
  • Developmental delay or intellectual disability affected 69.5% of the cohort, correlating with retinal dystrophy and reduced visual acuity.
  • Perceptual deficits and oculomotor impairments were common and negatively impacted cognitive development.

Conclusions:

  • Early and multidisciplinary assessment of visual function is vital for children with Joubert syndrome.
  • Personalized rehabilitation strategies are needed to support functional vision and address the impact of visual impairments on cognitive development.
  • Further research is warranted to elucidate the relationship between biological factors and global functioning in Joubert syndrome.