This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
[{'content': 'Most sensitive part of retina is \nSelect and explain. \nA. Macula, B. Fovea-centralis, C. Optic disc, D. Peripheral-retina', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e Fovea Centralis Fovea centralis, is a depression or pit situated at the posterior pole of eye, 3 mm to the temporal side of the optic disc.Here the retinal layer consists only of cones and other layers are completely absentFovea is the most sensitive part of retinaFovea is surrounded by a small area, the macula lutea, which although not so sensitive, in more so than other parts of retina.", 'role': 'assistant'}]