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
A patient sustained blunt trauma to eye after that the developed sudden loss of vision with deep anterion chamber, Most likely causes is 
Select and explain. 
A. Lens dislocation, B. Berlin's oedema, C. Retinal haemorrhage, D. Recession of angle of AC
A: Lens dislocation
Answer: A: Lens dislocation 
Explanation: A i.e. Lens dislocation