Ischemic Optic Neuropathy

Non Arteritic Ischemic Optic Neuropathy

Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common form of ischemic optic neuropathy. It is an idiopathic, ischemic insult of the optic nerve head characterized by acute, monocular, painless visual loss with optic disc swelling.

It is caused by reasons other than inflammation of the arteries.
  • Symptoms
  • Blindness

    • Inferior

    • On awakening

    • Central

    • Rapidly developing

    • Painless

    • One eye

    • Both eyes


  • Risk factors
  • Diabetes mellitus

    or High levels of fats in blood

    or High blood pressure disease

    Acute blood loss

    Low blood pressure

    • At night


    Blood clotting disorder

    Kidney failure or on dialysis

  • Treatment
  • The focus of treatment is on the underlying cardiovascular disease or other risk factors that help trigger and aggravate NAION. This can help control the condition and prevent additional loss of vision.
  • Recommended specialist
  • If you have Ischemic Optic Neuropathy, then a visit to an ophthalmologist is recommended.

    Contact an


    Copyright © Rimads 2023 All Rights Reserved