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
Commonest cause of vitreous haemorrhage is: 
Select and explain. 
A. Diabetes, B. Hypeension, C. Trauma, D. Lens extraction
C: Trauma
Answer: C: Trauma 
Explanation: Ans. Trauma