This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
NSAID used commonly for topical ocular use is- 
Select and explain. 
A. Ibuprofen, B. Aceclofenac, C. Ketorolac, D. Acetaminophen
C: Ketorolac
Answer: C: Ketorolac 
Explanation: (Refer: AK Khurana Comprehensive Ophthalmology, 6th edition, pg no. 454 – 455)
Commonly used topicalocular NSAIDS

Ketorolac
Flurbiprofen
Diclofenac sodium