Journal
SURVEY OF OPHTHALMOLOGY
Volume 50, Issue 1, Pages 15-26Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.survophthal.2004.10.005
Keywords
blindness after surgery; cardiopulmonary bypass; coronary artery bypass; optic nerve atrophy; perioperative PION; perioperative visual loss; postoperative visual loss registry; posterior ischemic optic neuropathy; radical neck dissection; retrobulbar optic neuropathy; spine surgery
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Posterior ischemic optic neuropathy (PION) is all uncommon cause of perioperative visual loss. Perioperative PION has been most frequently reported after spinal surgery mid radical neck dissection. The visual loss typically presents immediately after recovery from anesthesia, although it. may be delayed by several days. Visual loss is often bilateral and profound with count fingers vision or worse. The examination findings arc consistent with all optic neuropathy; however the fundoscopic examination is initially normal. The cause is unknown, athough patient-specific susceptibility to perioperative hemodynamic derangements is likely. No treatment has proven to be effective. The prognosis for visual recovery is generally poor. (C) 2005 Elsevier Inc. All rights reserved.
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