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To describe the systemic and visual characteristics and prognosis in patients with posterior ischemic optic neuropathy (PION). There are three distinct subtypes of PION: perioperative, arteritic, and nonarteritic. Patients with PION that i s unassociated with surgery should undergo an evaluation for systemic vascular diseases, including giant cell arteritis, that may or may not be apparent at the time of vision loss. The visual prognosis for patients with perioperative or arteritic PION is poor, whereas that for nonarteritic PION is similar to that for patients with nonarteritic AION. |
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arteritis,temporal
neurologic complications of,surgery
optic neuropathy,ischemic
optic neuropathy,ischemic,posterior
postoperative neurologic complications
prognosis
review article
risk factors
visual field defect
visual loss
visual loss,sudden
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