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
Thinnest wall of the orbit is: 
Select and explain. 
A. Medial wall, B. Floor, C. Roof, D. Lateral wall
A: Medial wall
Answer: A: Medial wall 
Explanation: Ans. Medial wall