A condition of excessive intraocular pressure which results in atrophy of the optic nerve is:

Glaucomais a condition characterized by increased intraocular pressure, which can damage the optic nerve and result in vision loss or blindness if not treated. The increased pressure is usually due to a buildup of aqueous humor in the eye, either from overproduction or blocked drainage channels.Reference:Nationally Registered Certified Medical Assistant study materials, ophthalmology textbooks.