True statements about the pupil include:
a. it is controlled mainly by the autonomic system
b. miosis increases the depth of focus for near vision
c. a change in the pupil diameter from 2 to 8 mm increases the amount of light entering the eye by 16-
fold
d. all above
a. it is controlled mainly by the autonomic system
b. miosis increases the depth of focus for near vision
c. a change in the pupil diameter from 2 to 8 mm increases the amount of light entering the eye by 16-
fold
d. all above