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': 'Which continues to grow in the lifetime: \nSelect and explain. \nA. Cornea, B. Iris, C. Lens, D. Retina', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Lens', 'role': 'assistant'}]