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
In the incidence of primary angle closure glaucoma, male to female ratio is: 
Select and explain. 
A. 1:01, B. 1:02, C. 1:03, D. 1:04
D: 1:04
Answer: D: 1:04 
Explanation: Ans. 1:4