This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ecstatic Conditions of Cornea, Subject name: Ophthalmology
Vogt's striae shown below are seen in: 
Select and explain. 
A. Congenital glaucoma, B. Keratoconus, C. Aphakia, D. Subluxated lens
B: Keratoconus
Answer: B: Keratoconus 
Explanation: Ans. (b) Keratoconus.