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Due to the fact that this book will reach ophthalmologists from different countries with different training, cultures and backgrounds, the procedures and practices described in this book should be implemented in a manner consistent with the professional standards set for the circumstances that apply in each specific situation. Every effort has been made to confirm the accuracy of the information presented and to correctly relate generally accepted practices. The authors, editors, and publisher cannot accept responsibility for errors or exclusions or for the outcome of the application of the material presented herein. There is no expressed or implied warranty for this book or information imparted by it.

Any review or mention of specific companies or products is not intended as an endorsement by the authors or the publisher.

This new publication focused on Diabetic Retinopathy compiles the whole concept of the disease from its initial evaluation to the most revolutionary management performed today. In diabetic retinopathy, our main approach is oriented to doctorpatient. The first chapters present the understanding and the visual implications on diabetic retinopathy and the progress with the screening, as well as ocular digital evaluations, treatment and management of complications.

Each chapter covers explicit, detailed and most updated information to orient the general ophthalmologist as well as the vitreoretinal specialists in the current standards of patients´ care. Special features in each chapter include pitfalls and special considerations on practical and useful information for the diagnosis and treatment of diabetic retinopathy. A specially selected group of figures and illustrations, may help the clinician in the identification and management of the disease and its behavior frequently seen in practice.

It has been both challenging and fulfilling to organize and integrate the diverse and evolving information in this Book, with the purpose of providing the best quality of eye care to our patients in the practice of this sub-specialty in ophthalmology.