Neuro-Ophthalmologic

Associates, P.C.


 

 

 

Non-Arteritic Ischemic Optic Neuropathy (NAION)

NAION is one of the two most frequent optic nerve afflictions. But this, as opposed to optic neuritis (the other common optic nerve problem), is seen mainly in middle-aged and older patients. This disease may be due to a sever inflammatory process called giant cell arteritis and the approach to this form of AION must be different to the so-called NAION. NAION is thought to be a blockage in a blood vessel to the optic nerve itself and is not thought to be caused by any systemic problem, although there is a higher incidence of high blood pressure, diabetes, and other problems that affect the blood vessels in general.

 

 

 

 

 

Treatment

There is no known treatment for NAION. It is usually a non-progressive, stable entity and once it affects an eye, it very rarely will hit that eye again. There is some indication that taking low-dose aspirin on a regular basis may prevent a similar process from occurring in the second eye. But this is by no means proven.


 

 

 

 

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