The pale optic disc is also known as the a. cones. b. blind spot. c. rods. d. retina.

The pale optic disc is also known as the blind spot  

Option B

Explanation:

Blind spot is the small area in the visual portion of the eye which does not contain any photoreceptors, that is known as the rods and the cones. And this rods and cones are responsible for vision of an individual. It is also considered to be a place where the ganglion cells leave the eye. In other words, blind spot is a result of deficit within the visual field.