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': 'Unilateral watery discharge from the eye of a new born, with no edema or chemosis is due to – \nSelect and explain. \nA. Chlamydia, B. Gonococcus, C. Sticky eye, D. Chemical conjunctivitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Watery discharge, with no edema or swelling in a newborn is typical of chemical ophthalmia neonatorum.\nIn infective cause, there is mucopurulent or purulent discharge with marked edema and swelling.', 'role': 'assistant'}]