This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
[{'content': 'What happens to corneal endothelium after injury- \nSelect and explain. \nA. Slowly regenerates, B. Never regenerates, C. Regenerates rapidly, D. Forms a scar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Corneal endothelial decompensation occurs only after more than 75% of the cells are lost. Reference:Comprehensive Ophthalmology,AK Khurana,6th edition,pg no.96', 'role': 'assistant'}]