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: Medicine
Which is the most common visual field defects in pituitary adenoma 
Select and explain. 
A. Bi temporal hemianopia, B. Homonymous hemianopia, C. Scotoma, D. Bilateral superior visual field defects
A: Bi temporal hemianopia
Answer: A: Bi temporal hemianopia 
Explanation: None