This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
During accommodation, there occurs decrease in the radius of curvature of the: 
Select and explain. 
A. Anterior surface of the lens, B. Posterior surface of the lens, C. Both surfaces of the lens, D. None of the above
C: Both surfaces of the lens
Answer: C: Both surfaces of the lens 
Explanation: Ans. Both surfaces of the lens