Cerebral/ Cortical Visual Impairment: Screening, Identification and Outcome Prediction in Neonates

Cerebral/Cortical Visual Impairment (CVI) is the leading cause of childhood visual impairment in the United States and other industrialized countries. CVI is a brain-based visual disorder in which visual acuity or visual fields are reduced despite a normal eye examination or greater-than-expected visual impairment relative to ocular pathology. CVI is increasingly recognized in children with neurological conditions, yet it often remains undiagnosed until later childhood, delaying opportunities for early intervention. Population-based studies suggest that CVI is more common than previously understood. Recent estimates indicate that over 180,000 individuals in the United States aged 0-22 years may have diagnosed or likely CVI, with only a minority formally identified. Children with CVI frequently have co-occurring neurological conditions, including cerebral palsy, epilepsy, developmental delays, or genetic disorders. Infants born preterm or with conditions such as hypoxic-ischemic encephalopathy (HIE), perinatal stroke, or white matter injury are at particularly high risk. Prospective research also shows that a substantial proportion of infants born very preterm exhibit behavioral features of CVI later in childhood. Despite improvements in neonatal neurocritical care, early detection of CVI remains challenging. Current clinical practice focuses on managing conditions such as HIE, perinatal stroke, periventricular leukomalacia, and other brain injuries, but there is limited res…

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Mohamed El-Dib, MD  ·  +15712016409  ·  mel-dib@bwh.harvard.edu

Mohamed El-Dib

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