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
Blue scipra is seen in: 
Select and explain. 
A. Alkaptonuria, B. Osteogenesis imperfecta, C. Lowe's syndrome, D. All of the above
B: Osteogenesis imperfecta
Answer: B: Osteogenesis imperfecta 
Explanation: Ans. Osteogenesis imperfecta