The cup: disc ratio (gives the number) is increased. There is
notching at the neuroretinal rim (usually inferiorly and best
seen where the retinal vessels enter the disc. The sharp turning
of the blood vessels is described as bayoneting).
- look at the opposite eye for any cup asymmetry
- look for signs of medical or surgical treatment for the
glaucoma and also for any secondary causes of glaucoma
(refer to common cases in glaucoma)
1. What changes may occur in the opitc disc in glaucoma?