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': 'A child has got a congenital cataract involving the visual axis which was detected by the parents right at bih. This child should be operated: \nSelect and explain. \nA. Immediately, B. At 2 months of age, C. At 1 year of age when the globe becomes normal sized, D. After 4 years when entire ocular and orbital growth becomes normal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Immediately', 'role': 'assistant'}]