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
The normal extent of temporal field of vision for white colour is about: 
Select and explain. 
A. 60deg, B. 80deg, C. 90deg, D. 110deg
C: 90deg
Answer: C: 90deg 
Explanation: Ans. 90deg