Question

Images that fall on the optic __________ are not visible because this area lacks rods and cones.

Answer 1

I think it's c. dude 
<span />

Answer 2

Answer:

The correct answer would be option C.

Optic disk or optics nerve head is the region present in the retina of the eye which is termed as a blind spot.

It is considered as a blind spot because it does not contain any photoreceptor whether cones or rides due to which no image detection is possible in this area.