Overview

• Damage to Optic Nerve → complete loss of vision in one eye (Anopia)
• Damage to Optic Chiasm (ie. by pituitary tumours) → bitemporal hemianopia
  • Upper Quadrant Defect = pituitary tumour
  • Lower Quadrant Defect = craniopharyngioma
• Damage to Optic Tract → homonymous hemianopia (of opposite side - ie. right optic tract damage ⇒ left homonymous hemianopia)
  • Macular Sparing = occipital lesion (PCA infarct)
• Homonymous Quadrantopia
  • PITS ⇒ parietal-inferior and temporal-superior
  • Occur on opposite side

Making Diagnosis

Management Plan