Clinical Aspects of Diabetic Retinopathy -- Nonproliferative Diabetic Retinopathy -- Proliferative Diabetic Retinopathy -- The Epidemiology of Diabetic Retinopathy -- Diagnostic Modalities in Diabetic Retinopathy -- Pathophysiology / Basic Research -- In Vivo Models of Diabetic Retinopathy -- The Polyol Pathway and Diabetic Retinopathy -- The Role of Advanced Glycation in Diabetic Retinopathy -- The Role of Protein Kinase C in Diabetic Retinopathy -- Oxidative Stress in Diabetic Retinopathy -- Pericyte Loss in the Diabetic Retina -- Capillary Dropout in Diabetic Retinopathy -- Neuroglial Dysfunction in Diabetic Retinopathy -- The Role of Inflammation in the Pathophysiology of Diabetic Retinopathy -- Vascular Permeability in Diabetic Retinopathy -- Retinal Neovascularization and the Role of VEGF -- Beyond VEGF - Other Factors Important in Retinal Neovascularization: Potential Targets in Proliferative Diabetic Retinopathy -- Emerging Treatments and Concepts in Diabetic Retinopathy -- Anti-VEGF Therapy as an Emerging Treatment for Diabetic Retinopathy -- Clinical Trials in Protein Kinase C-? Inhibition in Diabetic Retinopathy -- The Role of Intravitreal Steroids in the Management of Diabetic Retinopathy -- Antagonism of the Growth Hormone Axis as a Therapeutic Strategy for Diabetic Retinopathy -- Diabetic Retinopathy and Systemic Complications.