Fibrin membrane pupillary-block glaucoma is an uncommon complication after phacoemulsification cataract surgery. We present a case treated successfully by pharmacological dilation of the pupil. Previous case reports have recommended the use of Nd:YAG peripheral iridotomy, Nd:YAG membranotomy and intracameral tissue plasminogen activator.The patient presented with intraocular pressure (IOP) of 45 mmHg 2 days after uneventful phacoemulsification cataract surgery. Anterior segment optical coherence tomography revealed that a fibrinous membrane-filled space had formed between the pupillary plane and the implanted intraocular lens.The diagnosis of fibrin membrane pupillary-block glaucoma was made. Initial treatment consisted of IOP-lowering medication and topical pupillary dilation (atropine 1%, phenylephrine hydrochloride 10% and tropicamide 1%). Within 30 min, the dilation broke the pupillary block and the IOP was 15 mmHg. The inflammation was treated with topical dexamethasone, nepafenac and tobramycin. Within a month, the patient reached a visual acuity of 1.0.

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