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': "Prominent corneal nerves are seen in all except – \nSelect and explain. \nA. Ectodermal dysplasia, B. Ichythyosis, C. Refsum's syndrome, D. Macular dystrophy", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]