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: Unknown
Cherry red spot NOT seen in? 
Select and explain. 
A. Trauma, B. Tay Sachs, C. CRAO, D. CRVO
D: CRVO
Answer: D: CRVO 
Explanation: Ans. (d) CRVORef: A.K. Khurana 6th ed. 1269, 421Cherry Red Spot of Retina is seen in--*CRAO*Trauma (Blunt trauma, Berlins edema)*Neimann pick disease*Gauchers disease*Tay - Sachs disease*Sand hoff's diseaseMnemonic: Cherry Tree Never Grow Tall in Sand.