Diabetic Retinopathy (DR) is the most common complication of diabetes and is the leading cause of vision-loss in working-age adults in industrialized countries. As the prevalence of diabetes in population worldwide is increasing, the prevalence of DR is also increasing. Reasons leading to the increase prevalence of DR also include the aging of the population and the increase in life expectancy in diabetic patient, duration of disease being one of the main risk factors for the development of DR. Other main risk factors include poor glycaemic control and high blood pressure, those risk factors being modifiable. Systemic treatment acting on those risk factors have proven beneficial in the treatment of DR. Concerning local treatment of DR, it ...