Modern System of Ophthalmology (MSO) is a series of multiple volumes, planned with a very specific aim to cater to the needs of residents in ophthalmology.Volume editors of this series make a team of like-minded and devoted teachers from different subspecialties. Disorders of Eyelids, Lacrimal System, Orbit and Oculoplastic Surgery.This volume of the MSO series provides a comprehensive coverage on different aspects of various disorder of eyelids, lacrimal system, orbit and oculoplastic surgery in a concise manner. Text matter, complete and up-to-date with recent advances, has been organized in three sections: Section I: Disorders of Eyelids includes a total of twelve chapters with one chapter each, describing the Basic Principles of Oculoplastic Surgery and Aesthetic Oculoplastic Surgery,respectively. Section II: Disorders of Lacrimal System includes six chapters with one chapter on lacrimal sac surgery. Section III: Disorders of Orbit includes nine chapters with two chapters devoted to orbital surgery. DVD Containing surgical videos a companion to this book, provides high quality videos for quick understanding of the steps of common surgical procedures on eyelids, ocular surface,lacrimal apparatus and orbit.