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': 'Severe ptosis in a new born should be operated at the age of: \nSelect and explain. \nA. 1 year, B. 3 years, C. 5 years, D. Earliest possible', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Earliest possible', 'role': 'assistant'}]