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
Sunset sign is seen in 
Select and explain. 
A. Optic neuritis, B. Hydrocephalus, C. Thyroid ophthalmopathy, D. Orbital cellulitis
B: Hydrocephalus
Answer: B: Hydrocephalus 
Explanation: Answer- B. HydrocephalusSun set sign: The scleraa revisible between theupper eyelid and their is, Sun setting sign is seen usually in hydrocephalus due to loss of upward conjugate gaze caused by raised intracranial pressure (ICP).