Tumors of the orbit are a relatively frequent pathology and pose problems of diagnosis and management. Lesions of the orbit in the broad sense of the term present clinically according to a stereotyped picture. These lesions are very varied. Some frequent pathologies are well known, others are exceptional and pose a diagnostic and therapeutic problem.This book summarizes the different approaches to the orbit, both ophthalmologic and neurosurgical, their indications, surgical techniques and postoperative complications.This book is richly illustrated allowing the reader to quickly get to the heart of the matter.