The purpose of our study was to determine the amount of glycated proteins and advanced glycation and products (AGE) om cataractous lens homogenates of patients who underwent phacoemulsification , and to define a simple in vitro protein model glycation.Our data:i) support the concept of glycation-glycoxidation pathway appearing in diabetes patients;ii)form a base for determination of the efficiency of various antioxidative compounds in vitro.