Publicación Oficial de la Sociedad Ecuatoriana de Neurología, de la Liga Ecuatoriana Contra la Epilepsia y de la Sociedad Iberoamericana de Enfermedad Cerebrovascular

nonarteritic anterior ischemic optic neuropathy

 

Actualización en Neuropatía Óptica Isquémica No Arterítica. Nonarteritic Ischemic Optic Neuropathy: An Updated Review

Introduction: Nonarteritic anterior ischemic optic neuropathy (NAION) is the most common cause of acute optic nerve injury is the second most common optic neuropathy after glaucoma.

Development: Patients are over the age of 50 years with vascular risk factors. This condition typically presents with acute, painless, monocular loss of vision associated with a variable visual field defect and optic disc edema. NAION is produced by inadequate perfusion of the optic nerved head, supposedly because of nocturnal hypotension and small cup/disk ratio. Diagnosis is mainly clinical and prognosis is generally guarded.

Conclusion: There is no treatment for this condition despite numerous medical and surgical attempts. This article reviews the literature and summarizes current data of proposed treatments.

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