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': 'Traumatic eye with late presentation of hyperaemic sclera with unilateral proptosis is due to : \nSelect and explain. \nA. Retrobulbar hematoma, B. Retrobulbr cellulites, C. Carotico-cavernous fistula, D. Pneumo-orbit', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Retrobulbar cellulitis Retrobulbar cellulitis is the only option which can present late after trauma to eyeQ. Pneumo-orbit, Retrobulbar hematoma & carotico-cavernous fistula - all present early after trauma. U/L proptosis can be present in all but hyperemic sclera also ours diagnosis of retrobulbar cellulites or CCF.', 'role': 'assistant'}]