Abstract
Choroidal complications are relatively rare complications of vitreoretinal surgery. Suprachoroidal haemorrhage is the most common one bearing the worst prognosis with its reported incidence, albeit variable, 1%. Suprachoroidal haemorrhage occurs mostly intraoperatively; however, rare cases occured in postoperatif period have been reported. Intraoperative fluctuations are the most common cause of suprachoroidal haemorrhage. Additionally, distortion of the globe induced by surgical maneuvers, aphakia or pseudophakia, high myopia are the local and atherosclerosis, hypertension and anti-coagulant use are the systemic risk factors. On the other hand, with the enhanced fluidics of vitreoretinal surgery, the incidence of suprachoroidal haemorrhage has decreased. Diminished choroidal blood flow, choroidal toxcisity due to silicone oil, and localized choroidal detachment are the other choroid-related complications of vitreoretinal surgery.
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