Ophthalmology is an area of medical science that deals with the anatomy, functions, and disorders of the eye and the visual system. A number of clinical conditions can affect the eye, its surrounding structures, and the visual system. An ophthalmologist is a physician who specializes in the treatment of the eye. Some of the diseases which are treated within this branch of medicine are cataract, eye tumors, glaucoma and dry eye syndrome. Ophthalmology involves prescribing medications to treat diseases of the eye, implement laser therapy, and perform surgery when necessary. It also consists of academic research on eye disorders. This book aims to shed light on some of the unexplored aspects of ophthalmology and the recent researches in this field. It presents researches and studies performed by experts across the globe. Students, researchers, experts and others associated with ophthalmology will benefit alike from this book.