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 are true about blood staining of the cornea except: 
Select and explain. 
A. Its occurrence is hastened by the raised intraocular pressure, B. It clears from centre towards periphery, C. Its clearance may take 2 years or more, D. Visual prognosis is usually poor in such cases
B: It clears from centre towards periphery
Answer: B: It clears from centre towards periphery 
Explanation: Ans. It clears from centre towards periphery