Forschungsarbeit aus dem Jahr 2013 im Fachbereich Medizin - Ophthalmologie, Augenheilkunde, Beijing University, Sprache: Deutsch, Abstract: Purpose: To evaluate whether the aspherical intraocular lens (IOL) with a modified aspherical anterior surface provides better quality of vision than the conventional spherical IOL for the senile cataract patients after phacoemusification and IOL implantation.