Non-arteritic anterior ischemic optic neuropathy (NA-AION) is one of the major causes of seriously impaired vision among the middle-aged and elderly population; in addition, contrary to popular belief, it also occurs in young persons, though less commonly. In spite of it being a common disease, almost all publications on NA-AION contain the following two statements: (1) "Pathogenesis of NA-AION is unknown." and (2) "There is no known treatment for NA-AION.". Given the current state of our knowledge on NA-AION, neither statement is correct, .as will be evident from the following short discussion. (Both pathogenesis and management of NA-AION are discussed at length elsewhere [1, 2]).
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