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
Intraocular pressure is increased by which anaesthetic 
Select and explain. 
A. Ketamine, B. Propofol, C. N2O, D. Isoflurane
A: Ketamine
Answer: A: Ketamine 
Explanation: 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)