Arteritic Vs Non Arteritic Ischemic Optic Neuropathy

Think wealthy with mike adams 713 234 views. Ischemic optic neuropathy is a major cause of blindness or significantly impaired vision and there are few definitive answers regarding its cause clinical features and treatment.

Grand Rounds Anterior Ischemic Optic Neuropathy With Empty Sella

Non arteritic anterior ischemic optic neuropathy naion right eye.

Arteritic vs non arteritic ischemic optic neuropathy. Risk factors for developing naion can be either systemic or ocular in nature. Anterior involvement is common with both arteritic and nonarteritic ischemic optic neuropathy. The first is non arteritic naion and the second is arteritic aaion and is almost always associated with giant cell arteritis.

It is called non arteritic because there is reduced blood flow without true inflammation of the blood vessels as there is in arteritis. Opticneuritis foundation vision visionloss. Naion is the most common ischemic optic neuropathy with an incidence of about 10 per 100 000 12.

It is an idiopathic ischemic insult of the optic nerve head characterized by acute monocular painless visual loss with optic disc swelling. Aaion is due to temporal arteritis also called giant cell arteritis an inflammatory disease of medium sized blood vessels chapel hill conference that occurs especially with advancing age. Rajat ghaiy md neuro ophthalmologist.

The distinction between aaion and non arteritic aion was made to highlight the different etiologies of anterior ischemic optic neuropathy. By definition pion will not cause disc edema. Systemic risk factors include 13.

How to pay off your mortgage fast using velocity banking how to pay off your mortgage in 5 7 years duration. Non arteritic anterior ischemic optic neuropathy naion is due to impaired circulation of blood to the front of the optic nerve. Educational information on non areteritic and arteritic ischemic optic neuropathy with board certified dr.

Arteritic anterior ischemic optic neuropathy aaion is an acute often painful optic neuropathy that occurs predominantly in elderly patients over age 50 but with increasing incidence each decade thereafter and can cause permanent loss of vision. Nonarteritic anterior ischemic optic neuropathy naion is the most common form of ischemic optic neuropathy. Posterior ischemic optic neuropathy pion encompasses those conditions that result in ischemia to any portion of the optic nerve posterior to the optic disc.

Ischemia occurs at the head of the optic nerve in relation with structural crowding of the nerve fibers impairing perfusion and. The arteritic form is treated with corticosteroids while there is still no widely accepted treatment for the nonarteritic form.

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