Patients with diabetes frequently report changing visual acuities when their glucose levels are chronically high. Which of the following could explain the fluctuating acuity with high blood glucose levels?
(A) Increased sorbitol in the lens
(B) Decreased fructose in the lens
(C) Increased oxidative phosphorylation in the lens
(D) Macular degeneration
(E) Increased galactitol in the lens