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.

Optic Disc

The point of exit for ganglion cell axons leaving the eye, where the optic nerve begins, and notably lacks photoreceptor cells, creating a "blind spot."

Blind Spot

The point in the visual field that lacks light-detecting photoreceptor cells, located where the optic nerve exits the eye, creating a spot where no image is perceived.

Rods and Cones

Rods and cones are the two types of photoreceptor cells found in the retina of the eye, responsible for vision under low and bright light, respectively.