Comparison of 45° Kelman and 45° ıntrepid balanced phaco tips in torsional phacoemulsification for hard cataracts: ıntraoperative efficiency and corneal endothelial outcomes. - Açar NB; Akmaz O; Küsbeci T; Yüksel B; Demirtaş AA; Ayıntap E (International ophthalmology, 2026)