| CASE REPORT |
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| Year : 2023 | Volume
: 3
| Issue : 1 | Page : 133-135 |
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Perioperative ischemic optic neuropathy following subtotal petrosectomy: A rare complication of ear surgery causing vision loss
Arthi Mohankumar1, Mohan Rajan1, Vandana Aravind2, Raghu Nandhan2, Mohan Kameswaran2
1 Department of Retina and Vitreous, Rajan Eye Care Hospital Pvt Ltd., Chennai, Tamil Nadu, India
2 Madras ENT Research Foundation Pvt Ltd., Chennai, Tamil Nadu, India
Correspondence Address:
Arthi Mohankumar
Rajan Eye Care Hospital, 5, Vidyodaya Second Street, T. Nagar, Chennai - 600017, Tamil Nadu
India
 Source of Support: None, Conflict of Interest: None
DOI: 10.4103/ijo.IJO_1697_22
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Perioperative vision loss (POVL) is unilateral or bilateral, partial or complete loss of vision occurring in patients undergoing non-ophthalmic surgical procedures. They are commonly known to occur following cardiac, spine, and other orthopedic surgeries. The exact mechanism is not known and a variety of systemic and intraoperative risk factors including patient positioning, fluid loss, and use of vasopressors are implicated. The most common cause of POVL are ischemic optic neuropathies which occur due to disturbance in blood flow to the optic nerve. In this case report, we describe a case of perioperative ischemic optic neuropathy occurring following inner ear surgery and its management.
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