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': "True regarding metamorphopsia: March 2012 \nSelect and explain. \nA. Age related change, B. Associated with diseases affecting macula, C. Occurs when too much light shines into eyes, D. Interpreted by brain as 'flashes'", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans: B i.e. Associated with diseases affecting macula', 'role': 'assistant'}]