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First Author: M.Zemba ROMANIA
Co Author(s): A. Papadatu L. Sirbu C. Avram
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To evaluate the efficiency of new torsional phacoemulsification software ( Ozil IP system) in hard nucleus cataract extraction.
Central Military Emergency University Hospital Dr. Carol Davila, Bucharest, Romania
45 eyes with hard senile cataract ( gr III and IV) underwent phacoemulsification performed by the same surgeon, using the same technique ( stop and chop). Infiniti ( Alcon) platform was used, with Ozil IP software and Kelman phaco tip miniflared, 45?. The nucleus was split into two and after that the first half was phacoemulsificated with IP-on (group 1) and the second half with IP-off (group 2). For every group we measured: cumulative dissipated energy (CDE), numbers of tip closure that needed a manual desobstruction and amount of BSS used.
The mean CDE was the same in group 1 and in group 2 ( between 6.2 and 14.9). Number of occlusion that needed a manual desobstruction was lower in group1 (5 times) than in group 2 (13 times). Group 2 used more BSS compared to group 1.
The new torsional software ( IP system) significantly decreased occlusion time and balanced salt solution use over standard torsional software, particularly with denser cataracts.