A Case of Anterior Ischemic Optic Neuropathy after Use of Tadalafil

To report a case of anterior ischemic optic neuropathy (AION) after ingestion of Tadalafil (a drug for management of erectile dysfunction).Patient and A healthy 26-year-old male was referred due to loss of vision and visual field defect in his left eye a few days after using Tadalafil. Visual loss was progressive during the following days. Examination revealed disc swelling which consequently led to optic atrophy. His visual acuity remained low during 12 months of follow up. Tadalafil may predispose to AION even in young men with no vascular risk factors.