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
In which plane of anaesthesia, movement of eyeball is lost – 
Select and explain. 
A. Stage 3, Plane 1, B. Stage 1, Plane 3, C. Stage 2, Plane 3, D. Stage 4
A: Stage 3, Plane 1
Answer: A: Stage 3, Plane 1 
Explanation: At the end of plane 1 of stage III, eye ball becomes fixed.