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Cortical visual impairment in children with infantile spasms

G Castano1, C J Lyons, J E Jan

  • 1Departments of Ophthalmology and Pediatrics, University of British Columbia, British Columbia Children's Hospital, Vancouver, British Columbia, Canada.

Insights

Infantile spasms, also known as West syndrome, frequently cause severe visual impairment. Most affected children show little to no improvement in vision, highlighting the need for early recognition.

Area of Science:

  • Pediatric Neurology
  • Ophthalmology
  • Developmental Neuroscience

Background:

  • Infantile spasms (West syndrome) are a severe epilepsy syndrome in infants.
  • Cortical visual impairment (CVI) is a known complication of infantile spasms.
  • This study investigates CVI in West syndrome patients with normal ocular exams.

Observation:

  • Ten infants with West syndrome, hypsarrhythmia, and developmental delay were assessed.
  • All presented with severe visual inattention despite normal eye examinations.
  • Visual behavior was monitored over 14 months to 6 years.

Findings:

  • 50% of patients showed no visual behavior improvement.
  • The remaining patients had persistent abnormal visual function.
  • All participants had moderate to severe intellectual disability.

Implications:

  • Cortical visual impairment is a significant, often persistent, issue in West syndrome.
  • Pediatric ophthalmologists must be aware of this association.
  • Early recognition and management of CVI in infantile spasms are crucial.
Abstract

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