Hemianopsia is a serious visual symptom where half of the visual field is black. The separation of the visual area is usually vertical and either the left half or right half is blackened. It may affect one or both eyes ...

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The causes of hemianopsia include a number of serious disorders:

  • Stroke (ischemic or hemorrhagic)
  • Carotid artery insufficiency
  • Vertebral basilar artery ...
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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.