This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Local and Regional Anesthesia), Subject name: Anaesthesia
[{'content': 'Best local anaesthetic for ophthalmic surgery is- \nSelect and explain. \nA. Tetracaine, B. Prilocaine, C. Procaine, D. Bupivacaine', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Bupivacaine o The choice of local anaesthetic for ocular surgery varies,o But lidocaine (2%) and bupivacaine (0.5-0.75%) are used most commonly.o Generally the use of 1:1 mixture of 2% lidocaine (xylocaine) and 0.50% bupivacaine along with adrenaline and hyaluronidase in facial, retrobulbar and peribulbar blocks is common.", 'role': 'assistant'}]