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': 'Anterior focal point is at distance of in front of cornea in recuded eye \nSelect and explain. \nA. 22.6 mm, B. 17.2 mm, C. 15.7 mm, D. 24.13 mm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. 15.7 mmAnterior Focal Point- 15.7 mm', 'role': 'assistant'}]