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
Anterior lenticonus is found in – 
Select and explain. 
A. Lowe's syndrome, B. William's syndrome, C. Alport's syndrome, D. Down's syndrome
C: Alport's syndrome
Answer: C: Alport's syndrome 
Explanation: Anterior lenticonus is seen in Alport's syndrome and posterior lenticonus is seen in Lowe's syndrome.