This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET Jan 2020, Subject name: Ophthalmology
Shifting fluid sign is seen in: 
Select and explain. 
A. Exudative retinal detachment, B. Tractional retinal detachment, C. Rhegmatogenous retinal detachment, D. Retinal hole
A: Exudative retinal detachment
Answer: A: Exudative retinal detachment 
Explanation: Shifting fluid is seen in exudative retinal detachmentwhich occurs due to exudation of fluid from the choroid which collects in the subretinal space. -Causes: Inflammatory conditions like choroiditis, posterior scleritis Choroidal tumors like melanoma Toxemia of pregnancy Malignant hypeension Coats disease -Clinical features: Floaters due to vitritis but no photopsia Visual field defect Detached retina appears smooth & convex in configuration. No break is seen. -Treatment: Systemic steroids Treatment of the cause