This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
Which of the following causes least increase in IOP? 
Select and explain. 
A. Flouromethalone, B. Triamicinolone, C. Dexamethasone, D. Hydrocortisone
A: Flouromethalone
Answer: A: Flouromethalone 
Explanation: Ans. (a) FlouromethaloneRef: American Academy of Ophthalmology, BSCS, Section 9, p. 186Rimexolone, Loteprednol & fluorometholone have less potential to elevate IOP.