Glaucoma: A Clinician's GuideAbout This Hardback Glaucoma is a group of eye disorders that cause damage to the optic nerve and loss of vision. Some of its symptoms are eye pain, blurred vision, redness of the eye, nausea, etc. Open angle glaucoma, closed angle glaucoma and normal tension glaucoma are a few of its types. Open angle glaucoma is the most common type. It develops slowly and the drainage angle for fluid within the eye remains open. It results in vision loss and