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: Dental
[{'content': 'Which of the following may develop as a result of juvenile\ndiabetes mellitus? \nSelect and explain. \nA. Ataxia, B. Aphasia, C. Deafness, D. Blindness', 'role': 'user'}, {'content': 'Answer: D \nExplanation: BLINDNESS\nBlindness affects a large number of individuals\xa0worldwide. It is not an all or none phenomenon, and a person is considered affected by blindness, if the visual acuity does not exceed 20/200 in the better eye, with the correcting lenses, or if the visual\xa0acuity is greater than 20/200 but accompanied by a visual field of no greater than 20 degrees.\nEtiology\n\nPrenatal\n\nCauses are optic atrophy, microphthalmos,\xa0tumors, cataracts, toxoplasmosis, rubella,\xa0syphilis. TB meningitis,\xa0etc.\n\n\nPostnatal\n\nCauses are trauma, hypertension, premature birth, hemorrhagic disorders, leukemia, diabetes mellitus, glaucoma,\xa0etc.\n\n\n\nPediatric Dentistry / Shobha Tandon - 2nd Ed\xa0 P: 546', 'role': 'assistant'}]