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Gas is widely used in vitreoretinal surgery. It is a valuable tool to treat difficult retinal detachments and severe cases of proliferative vitreous retinopathy.1 Gas mediated pupillary block and iridocorneal apposition are known complications in aphakic eyes that underwent vitreoretinal surgery.2–4 We report a case of a phakic patient with an acute pupillary block glaucoma related to the migration of perfluoropropane (C3F8) into the anterior chamber. We are unaware of previous reports on this complication, and a Medline search found no literature on this topic.
A 46 year old man underwent a pars plana vitrectomy with 15% C3F8 (perfluoropropane) injection to his right eye for a macula on recurrent rhegmatogenous retinal detachment. There was no history of trauma. During discharge on the first …