Evaluation of the usefulness of corneal scanning topography performed with Orbscan for the localization of corneal transplantation due to keratoconus - Iwaszkiewicz, Ewa; Kołodziejczyk, Wojciech; Czubak, Marek; Rostkowski, Marek (Klinika Oczna / Acta Ophthalmologica Polonica, 2003)