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: Ophthalmology
Action of right superior oblique muscle is: 
Select and explain. 
A. Dextrodepression, B. Dextroelevation, C. Laevoelevation, D. Laevodepression
A: Dextrodepression
Answer: A: Dextrodepression 
Explanation: Ans. Dextrodepression