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
Syneresis refers to: 
Select and explain. 
A. Liquefaction of the vitreous, B. Black spots in front of the eye, C. Collapse of the vitreous, D. Detachment of the vitreous
C: Collapse of the vitreous
Answer: C: Collapse of the vitreous 
Explanation: Ans. Collapse of the vitreous