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: Radiology
Typically bilateral inferior lens subluxation of the lens is seen in: 
Select and explain. 
A. Marfan's syndrome, B. Homocystinuria, C. Hyperlysinaemia, D. Ocular trauma
B: Homocystinuria
Answer: B: Homocystinuria 
Explanation: Ans. Homocystinuria