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': 'Miners nystagmus is of which type: \nSelect and explain. \nA. Lateral, B. Veical, C. Rotatory, D. Can be of any type', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Rotatory', 'role': 'assistant'}]