Developmental diseases

Cerebral visual impairment

• Retrogeniculate visual impairment: pathology posterior to the LGN

• CVI may be isolated

• Causes

  • Periventricular leukomalacia (common in premature infants)
  • Intracranial haemorrhage
  • Perinatal hypoxia
  • Intrauterine infection
  • Structural abnormalities
  • Seizures
  • Hydrocephalus
  • Trauma
  • Meningitis
  • Encephalitis

• Clinical features

  • Normal ocular structures