Ophthalmology is the branch of medical science that deals with the study of eye and eye care. This discipline provides diagnosis and treatment of a wide range of eye diseases. Also, it has provisions for general medicines as well as surgeries. The various studies that are constantly contributing towards advancing technologies and evolution of this field are examined in detail. The aim of this book is to present researches that have transformed this discipline and aided its advancement. It is complied in such a manner, that it will provide in-depth knowledge about the theory and practice of opthalmology. With state-of-the-art inputs by acclaimed experts of this field, this book targets students and professionals.