Glaucoma is an eye condition which generally damages the optic nerve. This kind of illness has various types, tends to be inherited, gets worse over time, and may only manifest during late adulthood. A number of blindness cases among the elderly is due to glaucoma. This is usually caused by increased pressure in the eye. The symptoms may vary according to the stage and type, some of them include blind spots, tunnel vision (advanced stage), head ache, eye pain, redness of eyes, blurred vision, and halos around lights. The risk factors include being 60+ years old, having a family history, having thin corneas, being extremely farsighted or nearsighted, having gone through eye surgery, taking corticosteroid medications, and being Asian, Hispanic, or Black. Early detection and regular eye examinations can help prevent the progress of glaucoma.