This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
Blue sclera is seen in all of the following conditions except (REPEATED) 
Select and explain. 
A. Keratoconus, B. Marfans syndrome, C. Osteogenesis imperfecta, D. Rheumatoid ahritis
A: Keratoconus
Answer: A: Keratoconus 
Explanation: Blue sclera is not seen in Keratoconus It is seen in all conditions like Marfans syndrome Rheumatoid ahritis Osteogenesis imperfecta. Refer: Khurana 6th edition page number 144