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
'A' pattern squint is due to which muscle 
Select and explain. 
A. Superior rectus, B. Inferior rectus, C. Superior oblique, D. Inferior oblique
C: Superior oblique
Answer: C: Superior oblique 
Explanation: A pattern squint - superior oblique.
V pattern squint - inferior oblique.