ObjectiveTo observe the clinical efficacy of external scleral buckling in the treatment of rhegmatogenous retinal detachment (RRD) using 25G chandelier endoilluminator. MethodsThe clinical data of 23 RRD patients (23 eyes), who were completed external scleral buckling by selecting 25G optical fiber as intraocular illuminator, and via a non-contact wide-angle viewing system to observe fundus, were analyzed retrospectively. Changes of best corrected visual acuity (BCVA) before and after surgery, retinal attachment condition and surgery-related complications were observed. ResultsAll patients were followed up for 6 to 12 (7.60±4.31) months. A total of 21 cases (91.3%) accomplished anatomical reduction of retina at one time after surgery, while 2 cases (8.7%) without reduction were treated with vitrectomy combined with silicone oil tamponade, and they achieved retinal reduction after the second surgery. Visual acuity improved in 20 eyes (87.0%) after surgery. There was a statistically significant difference of BCVA before and after surgery ［ (0.22±0.19) vs. (0.47±0.27), P＜0.05］. Intraoperative vitreous loss occurred in 1 patient (4.3%), postoperative intraocular hypertension in 3 patients (13.0%), and vitreous injury associated with optical fiber approach was found in 6 patients (26.1%). No optical fiber-related complications such as vitreous hematocele, infective endophthalmitis and lens injury occurred. Conclusion25G chandelier endoilluminator-assisted external scleral buckling for RRD is safe and effective.

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