This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': 'Intraocular pressure is increased by which anaesthetic \nSelect and explain. \nA. Ketamine, B. Propofol, C. N2O, D. Isoflurane', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ketamine increases intra-ocular tension - Contraindicated in glaucoma & open eye surgery (Refer: stoelting's pharmacology and physiology in anaesthetic practice, 5th edition, pg no.294)", 'role': 'assistant'}]