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What does NAION stand for? 

What does NAION mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: NAION.

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NAION

Non-arteritic Anterior Ischemic Optic Neuropathy

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NAION

Nonarteritic anterior ischaemic optic neuropathy

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NAION

Nonarteritic Anterior Ischemic Optic Neuropathy

Medical

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What does NAION mean?

Naion
Anterior ischemic optic neuropathy (AION) is a medical condition involving loss of vision caused by damage to the optic nerve as a result of insufficient blood supply (ischemia). This form of ischemic optic neuropathy is generally categorized as two types: arteritic AION (or AAION), in which the loss of vision is the result of an inflammatory disease of arteries in the head called temporal arteritis, and non-arteritic AION (abbreviated as NAION, NAAION, or sometimes simply as AION), which is due to non-inflammatory disease of small blood vessels.

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    NBA
    A National Basketball Arena
    B National Baseball Association
    C National Basketball Association
    D National Boring Association

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