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
Mizuo-phenomenon is seen in: 
Select and explain. 
A. Fundus albipathicus, B. Fundus flavimaculatus, C. Oguchi's disease, D. Choroideremia
C: Oguchi's disease
Answer: C: Oguchi's disease 
Explanation: Ans. Oguchi's disease