Some of the common diseases and conditions which can put a patient at higher risk for NAION are:

  • Diabetes mellitus;
  • Rheumatoid arthritis;
  • Herpes zoster;
  • Anemia;
  • Sickle cell trait;
  • Syphilis;
  • Systemic low blood pressure or severe high blood pressure;
  • Gastro-intestinal ulcers;
  • Some cardiac diseases;
  • Vasculitis;
  • Migraine; and
  • Type A personality.

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