glau·co·ma 
(glou-kōmə, glô-)
(glou-kōmə, glô-)n.
Any of a group of eye diseases characterized by abnormally high intraocular fluid pressure, damage to the optic disk, and gradual loss of vision.
[Latin glaucōma, cataract, from Greek glaukōma, from glaukos, gray.]
glau·coma·tous (-kōmə-təs) adj.