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
Synchysis means 
Select and explain. 
A. Pale bony disc, B. Detachment of vitreous, C. Liquefaction of the vitreous, D. Black spots in front of the eyes
C: Liquefaction of the vitreous
Answer: C: Liquefaction of the vitreous 
Explanation: Synchysis means Liquefaction of the vitreous.