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. 2021 Jul 29;16(3):377–383. doi: 10.18502/jovr.v16i3.9434

Table 1.

Demographics and visual and anatomic outcomes comparing scleral tunnels versus scleral sutures in fixation of scleral buckle during retinal detachment surgery for both scleral buckle surgery and pars plana vitrectomy combined with scleral buckle


Scleral tunnels ( n = 302) Suture ( n = 846) P -value
Age 57.7 ± 13.6 55.9 ± 14.3 0.04 *
Sex (Female) 117 (38.8%) 314 (37.1%) 0.63
Preoperative logMAR (Snellen) 1.05 ± 1.06 (20/224) 1.03 ± 1.04 (20/214) 0.85
Postoperative logMAR (Snellen) 0.45 ± 0.55 (20/56) 0.46 ± 0.59 (20/58) 0.57
P -value < 0.0001 * < 0.0001 *
Single surgery success rate 87.3% 88.6% 0.60
Postoperative strabismus 3 (1.0%) 1 (0.1%) 0.02 *
Eyes with encircling band only 278 (92.1%) 816 (96.5%) 0.01 *+
Follow-up (days) 368 ± 185 363 ± 187% 0.99
logMAR, logarithm of the minimum angle of resolution * Statistically significant value + Fischer's Exact test