Evaluation of rotational stability of two toric intraocular lenses, Acrysof IQ Toric and Tecnis Toric, using new ToriCalc software - Filatow, Serhij; Mikołajczyk, Maksym; Omulecki, Wojciech; Wilczynski, Michal (Klinika Oczna / Acta Ophthalmologica Polonica, 2024)