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
Vossious ring occurs in: 
Select and explain. 
A. Penetrating injury, B. Concussion injury, C. Lens dislocation, D. Extracapsular extraction
B: Concussion injury
Answer: B: Concussion injury 
Explanation: Concussion injury