This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ocular Embryology& Anatomy, Subject name: Ophthalmology
[{'content': 'Which of the following is known as the dangerous zone of the eye? \nSelect and explain. \nA. Sclera, B. Retina, C. Optic nerve, D. Ciliary body', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ciliary body is called the dangerous area of eye Allergic theory is being postulated as the reaosn for calling it as dangerous area of eye. During trauma to eye when ciliary body is injured it exposes uveal pigments and excites plastic uveitis in the sound eye.', 'role': 'assistant'}]