IRCT20191125045492N1 IRCT 2019-11-27 Bagheiat-allah University of Medical Sciences Comparison of the effectiveness of Ozone therapy with conventional therapy in the improvement of visual pathways function in diabetic patients Comparison of the effectiveness of Ozone therapy with conventional therapy in improving visual evoked potentials parameters in diabetic patients 2019-12-20 anticipated 60 Complete https://irct.ir/trial/43756 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Factorial, Purpose: Treatment, Randomization description: In this study, the individuals will be randomly allocated into two groups (Treatment and Control) by using the block randomization method. The procedure of randomization will be carried out by using the SPSS software and the block size will be 4. Allocation concealment will be carried out. 2 Diabetes Mellitus. Intervention group:. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no further information