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Factors Affecting Visual Function in Children with Cerebral Visual Impairment

Esra Sahli1,2, Pinar Bingol Kiziltunc1,2, Ozben Akinci Goktas3

  • 1Department of Ophthalmology, Ankara University, Faculty of Medicine, Ankara, Türkiye.

Beyoglu Eye Journal
|April 18, 2025
PubMed

Insights

Children with cerebral visual impairment (CVI) often have poor visual functions. These functions correlate with neurological status, motor skills, and seizure activity, highlighting the need for comprehensive assessment.

Area of Science:

  • Pediatric Ophthalmology
  • Neurodevelopmental Pediatrics
  • Clinical Neuroscience

Background:

  • Cerebral visual impairment (CVI) is a significant cause of visual dysfunction in children.
  • Understanding the relationship between visual function and neurological status is crucial for effective management.

Purpose of the Study:

  • To evaluate visual functions in children diagnosed with CVI.
  • To determine the correlation between visual function and neurological status in this population.

Main Methods:

  • Retrospective review of case records for children under 3 years with CVI.
  • Visual function scoring based on fixation and following skills (0-15 scale).
  • Neuromotor assessment using the Hammersmith Infant Neurological Examination (HINE).

Main Results:

  • 233 children with CVI were analyzed; common etiologies included hypoxic-ischemic encephalopathy and prematurity.
  • Visual function scores (VFS) did not differ significantly by etiology or MRI findings.
  • Higher VFS was observed in children without seizures, and a weak correlation was found between HINE ratio and VFS.

Conclusions:

  • Children with CVI typically exhibit severely impaired visual functions.
  • Visual function is linked to neurological and motor deficits, seizure status, and co-occurring ocular conditions.
Abstract

Keywords:
Cerebral visual impairmentchildrenvisual function

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