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
Sea - Fan retina is a feature of 
Select and explain. 
A. CRAO, B. CRVO, C. Sickle cell retinopathy, D. Chloroquine retinopathy
C: Sickle cell retinopathy
Answer: C: Sickle cell retinopathy 
Explanation: Sickle cell disease - Sea - Fan retina.