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Surgical time used to treat RRD. Thirty-four eyes with RRD treated with 27G vitrectomy were equally divided into two groups. The mean operative time used to treat the first half (group 1, n=17) cases was 68.8 ± 45.4 min, which was significantly shorter than that (42.6 ± 16.3 min) used to treat the second half (group 2, n=17), P=0.032.
