Judged: two independent readers; copy check clear.
blind spot
blind spot A blind spot is the small area in each retina that does not respond to light because it is where the optic nerve enters the eye.
A blind spot is the small area in each retina that does not respond to light because it is where the optic nerve enters the eye. Although nothing is seen at that point, vision usually seems continuous because the other eye can cover it in binocular vision and the mind may complete the missing part from surrounding visual input.