Real-time evaluation of operator eye lens radiation dose in interventional radiology: Effects of protective shield position and X-ray beam angle. - Sagehashi, Kodai; Fujisawa, Masaki; Haga, Yoshihiro; Kato, Toshiki; Takahira, Saki; Sota, Masahiro; Kaga, Yuji; Arai, Takeshi; Tada, Norio; Chida, Koichi (Radiation Physics & Chemistry, 2026)