glaucomatous cup

(redirected from glaucomatous excavation)

cup

 [kup]
a depression or hollow.
glaucomatous cup a depression of the optic disk due to persistently increased intraocular pressure, broader and deeper than a physiologic cup, and occurring first at the temporal side of the disk.
physiologic cup excavation of optic disk.

glau·co·ma·tous cup

a flask-shaped depression of the optic disc caused by glaucoma.

glau·co·ma·tous cup

(glaw-kō'mă-tŭs kŭp)
A deep depression of the optic disc combined with optic atrophy; caused by glaucoma.
Synonym(s): glaucomatous excavation.

cup, glaucomatous 

A large and deep excavation within the optic disc due to a raised intraocular pressure. It is characterized by overhanging walls over which the blood vessels bend sharply and reappear at the bottom of the depression. See cupped disc; cup-disc ratio.

cup

a depression or hollow.

glaucomatous cup
a depression of the optic disk due to persistently increased intraocular pressure, broader and deeper than a physiological cup, and occurring first at the temporal side of the disk.
optic cup
an evagination of the optic vesicle, an outgrowth from the neural tube, which forms a cup, the forerunner of the eyeball.
physiological cup
a slight depression sometimes observed in the optic disk.
tooth cup
central depression on the occlusal surface of the horse's incisor teeth at the time of eruption; as the horse ages and the occlusal surface is eroded, the cup becomes smaller and eventually disappears; the reducing size is used in aging of horses by their teeth.