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F. Capizzi, S. DeCillà, P. Fogagnolo, M. Sacchi, E. Carini, G. Ceresara, L. Rossetti, N. Orzalesi; A Comparison of Three Phacoemulsification Techniques in Cataract Surgery. Invest. Ophthalmol. Vis. Sci. 2009;50(13):6100.
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To compare the parameters of three phacoemulsification techniques (divide-and-conquer, DC; stop-and-chop, SC; phaco-chop, PC) in a series of cataract surgeries.
60 consecutive eyes were randomized to receive cataract surgery using DC, SC, or PC techniques (20 eyes each). Patients with ocular diseases other than cataract (pseudoexfoliatio syndrome; glaucoma; etc) were not enrolled. No complications occurred during the three surgical procedures. Surgery was performed by a single, experienced operator (S.D.) using the Alcon Infiniti® Vision System with OZil® Torsional handpiece. The following parameters were measured for each patient: Surgery Duration (SurgDur, minutes), UltraSound Total Time (USTT), Cumulative Energy Dissipation (CED), Phaco Time (PhT, seconds), Phaco Power (PhP), Torsional Time (ToT, seconds), Torsional Amplitude (ToA), Aspiration Time (AsT). Inter-group differences were inspected by means of Wilcoxon test.
Mean data for each technique are given in the Table.
The three techniques obtained similar results with the exception of a significant improvement of PhP and ToA with PC technique.
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