This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'All the following are the abnormalities in lens shape Except \nSelect and explain. \nA. Spherophakia, B. Microphakia, C. Microspherophakia, D. Aphakia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Microphakia, spherophakia (microspherophakia) all are types of abnormal lens.Microphakia - Abnormal smallness of the lens of the eye.Spherophakia (microspherophakia) - in spherophakia the lens is small and spherical (increase the anterior and posterior curvature of the lens). Angle-closure glaucoma occurs when the small round lens has blocked the flow of aqueous through the pupil.Aphakia is an absence of the lens.', 'role': 'assistant'}]