What is the morbidity and mortality associated with sudden visual loss?

Updated: Dec 11, 2019
  • Author: Jean Deschênes, MD, FRCSC; Chief Editor: Edsel Ing, MD, MPH, FRCSC  more...
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TMVL in a person younger than 45 years may be benign; many attacks are probably vasospastic or due to migraine.

TBVL is almost always associated with severe occlusive disease of the internal carotid artery (ICA), aortic arch, or vertebral circulation with occipital lobe ischemia.

Patients with ICA disease often have other systemic evidence of atherosclerosis, such as coronary and peripheral vascular disease. Other risk factors include smoking, hypercholesterolemia, and hypertension.

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