Which of the following is NOT true of accommodation?
a. It refers to a change in the shape of the lens, as a person focuses on a near object.
b. When a person focuses on a close object, the lens becomes more spherical.
c. When accommodation occurs, tension is released on the suspensory ligaments holding the lens.
d. It is accomplished by a reflex in the iris.
e. All of these are true of accommodation.