This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': 'Uniocular polyopia is seen in which stage of cataract- \nSelect and explain. \nA. Incipient, B. Itumescent, C. Mature, D. Hypermature', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Monoocular diplopia means perception of two images of one object by one eye and monoocular polyopia means refers to perception of multiple images of one eye. It is paicularly seen in incipent cataract. Ref: Ashok Garg 1st/e p.633.', 'role': 'assistant'}]