Glaucoma is the development of increased pressure within the eye. If left untreated, glaucoma may damage the optic nerve, resulting in visual impairment and eventually blindness.
Review Date: 11/5/2014 Reviewed By: Franklin W. Lusby, MD, Ophthalmologist, Lusby Vision Institute, La Jolla, CA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.