Pathophysiology of Diabetic Retinopathy -- Genetics and Diabetic Retinopathy -- Epidemiology of Diabetic Retinopathy -- Systemic and Ocular Factors Influencing Diabetic Retinopathy -- Defining Diabetic Retinopathy Severity -- Diagnostic Techniques in Clinical Practice ??OCT, FA, Ultrasound -- Diabetic Macular Edema -- Diabetic Macular Ischemia -- Treatment of Proliferative Diabetic Retinopathy -- Cataract Surgery and Diabetic Retinopathy -- The Relationship of Diabetic Retinopathy and Glaucoma -- The Cornea in Diabetes Mellitus -- Optic Nerve Disease in Diabetes Mellitus -- Screening for Diabetic Retinopathy -- Practical Concerns with Ethical Dimensions in the Management of Diabetic Retinopathy -- Clinical Examples in Managing Diabetic Retinopathy.