The retinal optic disk is
A) a region within retina that has the best visual acuity.
B) where the rods are most densely packed.
C) where the cones are most densely packed.
D) where axons leave the eye and join the optic nerve.
E) where visual signals begin to diverge laterally.

Question

Quizplus · Accepted Answer

The retinal optic disk is the point at which axons leave the eye and join the optic nerve, which carries visual information to the brain. It is not a region with high visual acuity or where cones or rods are densely packed, and it does not play a role in lateral signal divergence.

The Retinal Optic Disk Is