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
[{'content': 'During accomodation, changes in lens will be \nSelect and explain. \nA. Reduction in radius of curvature of anterior surface of lens only, B. Reduction in radius of curvature of posterior surface of lens only, C. Increase in radius of curvature of posterior surface of lens only, D. Both radius of curvature of anterior and posterior surfaces reduce', 'role': 'user'}, {'content': 'Answer: A \nExplanation: During accomodation, reduction in radius of curvature of anterior surface of lens.\xa0Posterior surface remains the same.', 'role': 'assistant'}]