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': 'The light from the UV light curing unit can cause: \nSelect and explain. \nA. Iritis, B. Cataract, C. Retinal damage, D. Corneal ulceration', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]