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Simultaneous and Bilateral Non-Arteritic Anterior Ischaemic Optic Neuropathy and Acute Angle-Closure.

Gerardo Esteban Cepeda-OrtegonAlan Baltazar Treviño-HerreraAbraham Olvera-BarriosAlejandro Martínez-López-PortilloJesús Mohamed-HamshoJibran Mohamed-Noriega
Published in: Neuro-ophthalmology (Aeolus Press) (2021)
Non-arteritic anterior ischaemic optic neuropathy (NAION) is the second most common cause of permanent optic nerve-related visual loss in adults after glaucoma. NAION is caused by complex mechanisms that lead to optic nerve head hypoperfusion and is frequently associated with cardiovascular risk factors like type 2 diabetes mellitus (DM2) and hypertension. An attack of acute angle-closure (AAC) occurs when the trabecular meshwork is blocked with peripheral iris that causes an abrupt rise in intraocular pressure, which can trigger a decrease in optic nerve head perfusion. We present a case with simultaneous and bilateral AAC and NAION in association with uncontrolled DM2.
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