One effect of the parasympathetic nervous system on the eye is to
A)move the eye to focus directly on an object.
B)decrease the secretion of tears.
C)change the shape of the retina.
D)constrict the pupil.
E)adjust the shape of the lens for distant vision.

Question

Quizplus · Accepted Answer

The parasympathetic nervous system constricts the pupil, which allows less light into the eye. This can be helpful in bright environments or when there is too much light entering the eye.

One Effect of the Parasympathetic Nervous System on the Eye