People are always confused about what glaucoma truly is since the treatment focuses on eye pressure management and what effect it could eventually have on our quality of life.
Glaucoma refers to optic neuropathy (the disease of neuronal cells of visual function) defined as characteristic optic nerve head damage and the corresponding visual field loss. Therefore, clinical examination will focus on the optic nerve head or optic disc, located at the back of the eye, to see whether it is a glaucomatous disc or not.
Figures 1a and 1b depict a glaucoma disc with a darker band of retinal nerve fibre defect.
Why eye pressure is important?
Elevated intraocular pressure (IOP), or eye pressure, is the primary factor in glaucoma development. The balance of aqueous…