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Post cataract surgery visual results and long-term biocompatibility are influenced by surface properties of intra-ocualr lenses (IOLs). Our study aims to examine the surface characteristics of 17 commercially available IOL models designed for intraocular implantation after cataract surgery, using atomic force microscope (AFM). Each IOL was mounted and fixed on the base of the AFM (CP-II, Veeco Instruments Ltd., USA) using double-sided tape. HEMA IOLs have similar roughness parameters when compar