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
All of the following can precipitate the attack of narrow angle except: 
Select and explain. 
A. Prolonged prone position, B. Mydriatics, C. Prolonged work in bright light, D. Emotional upsets
C: Prolonged work in bright light
Answer: C: Prolonged work in bright light 
Explanation: Ans. Prolonged work in bright light