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': 'In Against-the-rule astigmatism: \nSelect and explain. \nA. Veical meridian is more curved than the horizontal, B. Horizontal meridian is more curved than the veical, C. Both meridia are equally curved, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Horizontal meridian is more curved than the veical', 'role': 'assistant'}]