Ischaemic Optic Neuropathy After Cardiac Surgery: A Systematic Review and Meta-Analysis of Incidence and Risk Factors.
BACKGROUND Ischaemic optic neuropathy (ION) is the most common cause of perioperative visual loss, with the highest incidence reported after cardiac surgery involving cardiopulmonary bypass (CPB). Despite devastating complications, the overall incidence and risk factors for patients with ION in the setting of cardiac s...