METHODS	This prospective randomized comparative interventional case series comprised 140 eyes of 140 patients who had phacoemulsification and implantation of IOLs of various materials : hydrophobic acrylic ( n = 48 ) , silicone ( n = 44 ) , poly ( methyl methacrylate ) ( PMMA ) ( n = 26 ) , or heparin-surface-modified PMMA ( HSM PMMA ) ( n = 22 ) .\