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': 'Macula lies from disc at a distance of: \nSelect and explain. \nA. 1 mm, B. 2 mm, C. 3 mm, D. 4 mm', 'role': 'user'}, {'content': "Answer: C \nExplanation: The macula lies 2 disc diameters(3mm) to the temporal side of the disc.The central 1.5mm of the macula is termed the fovea. Ref : Parsons' Diseases of the Eye By Ramanjit Sihota & Radhika Tandon 302", 'role': 'assistant'}]