There is a spot on the retina commonly called the "blind spot." The blind spot exists because ________.
A) there are no bipolar cells there
B) there are no ganglion cells there
C) the cones in the optic disk are very insensitive to light
D) there are no receptors, as it is where the optic nerve leaves the eye

Question

Quizplus · Accepted Answer

The blind spot exists because there are no receptors (rods or cones) where the optic nerve leaves the eye. This is also known as the optic disk. Therefore, light that falls on this area cannot be detected by the eye.

There Is a Spot on the Retina Commonly Called the "Blind