Why is the optic disc sometimes called the blind spot of the eye?
A)There are no rods and cones there.
B)There are no nerve fibers there.
C)There are no blood vessels there.
D)There are rods there, but no cones, so color vision is not possible in that area.
E)There are cones there, but no rods, so black and white vision is not possible in that area.

Question

Quizplus · Accepted Answer

The optic disc is the point where the optic nerve exits the eye and there are no rods and cones in this area. Rods and cones are responsible for converting light into electrical signals that the brain can interpret as vision, so when light falls on the optic disc, no visual information is transmitted to the brain. This results in a small blind spot in our vision where we are unable to see anything.

Why Is the Optic Disc Sometimes Called the Blind Spot