This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Elementary Optics, Subject name: Ophthalmology
[{'content': 'What is the refractive status of a newborn? \nSelect and explain. \nA. Myopic, B. Hypermetropic, C. Astigmatic, D. Emmetropic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (b) HypermetropicRef: Khurana 6/e, p. 13Eye at birthNewborn is Hypermetropic by +2 to +3 D Anteroposterior diameter is smaller (70% of adult) - 16.5 mm Corneal horizontal diameter is smaller - 9.5 to 10 mm Tears are not secreted AC is shallow', 'role': 'assistant'}]