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
Most common presentation of Retinoblastoma 
Select and explain. 
A. Strabismus, B. Leucocoria, C. Decreased vision, D. Yellowish-white retinal mass.
B: Leucocoria
Answer: B: Leucocoria 
Explanation: Leucocoria (60%)
Strabismus (22%)
Decreased vision (5%).