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  • Title: [Progression of diabetic retinopathy after cataract surgery by phacoemulsification].
    Author: Chéour M, Mazlout H, Falfoul Y, Chakroun I, Marrakchi A, Skhiri M, Zarrad A, Kraïem A.
    Journal: J Fr Ophtalmol; 2013 Jan; 36(1):62-5. PubMed ID: 22938673.
    Abstract:
    PURPOSE: To study the effect of cataract surgery by phacoemulsification and intraocular lens implantation on the progression of diabetic retinopathy (DR) using the nonoperated fellow eye as a control, by a retrospective comparative study. PATIENTS AND METHODS: We studied 46 diabetic patients who underwent monocular cataract surgery by phacoemulsification with implantation of an intraocular lens within the capsular bag, with the nonoperated fellow eye used as a control. In all cases, the fellow eye exhibited only a very mild cataract, allowing for visualization of the fundus. Preoperative and 1, 3, 6 and 12 months postoperative ophthalmic examination and fundus photographs, supplemented if necessary by retinal fluorescein angiography, were performed to assess DR using the Alfediam classification. Patients were followed for at least 1 year. RESULTS: Among the 46 patients, preoperative DR was absent in 40 patients, and six patients had bilateral, symmetric non-proliferate diabetic retinopathy (NPDR): mild in four patients, moderate in one patient and moderately severe in another patient. Thirty-five eyes (76%) had postoperative best corrected visual acuity of 8/10 or better. Progression of DR occurred at about 23.9% (11/46) in the operated eyes and 19.6% (9/46) in the nonoperated eyes. As compared by the MacNémar test, there was no significant difference between operated and nonoperated eyes (P=0.68). CONCLUSION: This study demonstrates that cataract surgery by phacoemulsification does not represent an apparent risk factor for progression of DR.
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