This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Ophthalmology
[{'content': 'Which of the following is true about Bitots spots- \nSelect and explain. \nA. Predispose to pingecula, B. Caused by hyperplasia of goblet cells, C. Seen with fat malabsorption, D. Most common site is nasal site of conjunctiva', 'role': 'user'}, {'content': "Answer: C \nExplanation: *Bitot's spot are silvery gray spots on temporal side. These are white keratinized epithelium, i.e. Keratin debris. *They occurs in vitamin A deficiency, i.e. in fat malabsorption. Ref: Clinical ophthalmology p.130", 'role': 'assistant'}]