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: Anaesthesia
During ocular surgery, when eye surgeon touches the medial rectus, he asked to assistant to measure heart rate because of 
Select and explain. 
A. Occulocardiac reflex, B. Occulocephalic reflex, C. Occulovagal reflex, D. None
A: Occulocardiac reflex
Answer: A: Occulocardiac reflex 
Explanation: None