Question

what is the normal cup to disc ratio when examining the optic nerve on a fundoscopic exam?
1:3
1:1
1:4
1:5
1:2

Explanation:

In a fundoscopic exam of the optic nerve, the normal cup - to - disc ratio is generally considered to be 1:3. This ratio helps in diagnosing various eye conditions such as glaucoma.

Answer:

A. 1:3