Glaucoma is a group of eye diseases which causes damage to the optic nerve and leads to vision loss. Open-angle glaucoma, closed-angle glaucoma, and normal-tension glaucoma are the different types of glaucoma. Open-angle glaucoma develops slowly over time and does not cause any pain. Peripheral vision starts to decrease at the onset, followed by the central vision. It results in blindness if left untreated. Closed-angle glaucoma can appear gradually or suddenly. Sudden appearance of this type of glaucoma can cause severe pain, blurred vision, mid-dilated pupil, redness of the eye and nausea. Vision loss caused by glaucoma is irreversible. It is possible to slow or stop the advancing of the disease if treated early. Treatment methods can involve medication, laser treatment or surgery. This book is compiled in such a manner, that it will provide in-depth knowledge about the clinical considerations and management techniques of glaucoma. It consists of contributions made by international experts. This book is a resource guide for experts as well as students.