If the Human Eyeball Is Too Short from Front to Back

Multiple Choice

If the human eyeball is too short from front to back, this gives rise to a vision defect that can be corrected by using

A) concave-convex eyeglasses.
B) convex-convex eyeglasses.
C) shaded glasses (i.e., something that will cause the iris to dilate more) .
D) contact lenses, but no ordinary lenses.
E) cylindrical eyeglasses.