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¹Asist. Dr., Sağlık Bilimleri Üniversitesi Fatih Sultan Mehmet Eğitim ve Araştırma Hastanesi, Göz Hastalıkları, İstanbul, Türkiye
²Doç. Dr., Sağlık Bilimleri Üniversitesi Fatih Sultan Mehmet Eğitim ve Araştırma Hastanesi, Göz Hastalıkları, İstanbul, Türkiye
³Uz. Dr., Sağlık Bilimleri Üniversitesi Fatih Sultan Mehmet Eğitim ve Araştırma Hastanesi, Göz Hastalıkları, İstanbul, Türkiye Phacoemulsifi cation is a frequently performed, successful and safe surgery. Among rare complications, neuroophthalmologic complications have a fairly small share, which can lead to delayed diagnosis and treatment in neuroophthalmologic complications. These complications include diplopia, central nervous system toxicity, ischemic optic neuropathy (ION) and traumatic optic neuropathy. A-sixtyyear- old woman applied to our clinic with complaint of decreased vision. On the examination, best corrected visual acuity (BCVA) with Snellen?s chart was found as 0,4 in the right eye and 0,9 in the left eye. No pathological fi ndings were observed except nuclear cataract in both eyes. The right eye of the patient underwent cataract surgery under subtenon anesthesia with phacoemulsifi cation method. There were no complications at the surgery. BCVA was 1.0 in the first and third day evaluations. On biomicroscopic examination, there were no pathologic fi ndings at both anterior and posterior segment. Patient applied with a complaint of painless sudden visual loss on the tenth postoperative day of the surgery. BCVA of the patient was at light sensation level and relative afferent pupil defect was found positive in the right eye. In the fundus examination we found optic disc swelling and cotton-wool spots on retinal areas adjacent to optic disc. After ophthalmic examination and diagnostic tests patient was diagnosed with anterior ION. Keywords : Cataract, phacoemulsification, anterior ischemic optic neuropathy, AION