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': "A 28-year-old male complains of glare in both eyes. The cornea shows whorl like opacities of the epithelium. He also gave a history of long term treatment with amiodarone. The most likely diagnosis is: \nSelect and explain. \nA. Terrain's marginal degeneration, B. Cornea veicillata, C. Band shaped keratophathy, D. Arcus juvenalis", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Cornea veicillata', 'role': 'assistant'}]