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': "The most common condition of inherited blindness due to mitochondrial chromosomal anomaly is- \nSelect and explain. \nA. Retinopathy of prematurity, B. Leber's Hereditary Optic neuropathy, C. Retinitis pigmentosa, D. Retinal detachment", 'role': 'user'}, {'content': "Answer: B \nExplanation: Leber's hereditary optic neuropathy is the only condition amongst the options provided that is caused by a mitochondrial chromosomal anomaly and hence is the answer here.", 'role': 'assistant'}]