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
Vitreous hemorrhage produces ? 
Select and explain. 
A. Sudden painless loss of vision, B. Sudden painful loss of vision, C. Gradual painless loss of vision, D. Gradual painful loss of vision
A: Sudden painless loss of vision
Answer: A: Sudden painless loss of vision 
Explanation: Ans. is 'a' i.e., Sudden painless loss of vision