antiglaucoma drug antiglaucoma agent anti-glaucoma agents antiglaucoma drugs anti-glaucoma drug anti-glaucoma agent anti-glaucoma drugs Any drug which can be used to prevent or alleviate glaucoma, a disease in which the optic nerve is damaged, resulting in progressive, irreversible loss of vision. It is often, though not always, associated with increased pressure of the fluid in the eye. ophthalmology drug