Bacterial contamination of surgical instruments in 25-gauge pars plana vitrectomy: Incidence and risk factors - Fumiya Miyako; Yosuke Harada; Tomona Hiyama; Seiya Kashiyama; Saori Kawamoto; Chika Yokota; Akira Minamoto; Hiroki Ota; Ayako Sadahide; Kazuyuki Hirooka; Taiichiro Chikama; Hirokazu Sakaguchi (PLoS ONE, 2026)