Ophthalmology is advancing at a fast pace. This book deals with diverse features of ophthalmology - the medical discipline of analysis and management of eye diseases. It is separated into a variety of clinical sub-areas of expertise, such as cornea, cataract, glaucoma, uveitis, retina, neuro-ophthalmology, pediatric ophthalmology, oncology, pathology, and oculoplastics. This book presents innovative improvements and forthcoming viewpoints in ophthalmology. It discusses basic concepts regarding ophthalmology. It also elucidates topics related to cornea and ocular surface, refraction and refractive correction, and glaucoma. It intends to provide some fruitful information for experts and students involved in this field.