This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
Which of the following cause leukocoria 
Select and explain. 
A. Eale' diseases, B. Coats disease, C. Central serous Retinopathy, D. Retinitis pigmentosa
B: Coats disease
Answer: B: Coats disease 
Explanation: Leukocoria is a white eye reflex called as amaurotic cat eye reflex .coats disease is severe form of retinal telangectasia commonly seen in small boys