This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitreous and retina, Subject name: Ophthalmology
Retinal tears seen most commonly seen in - 
Select and explain. 
A. Primary retinal detachment, B. Secondary retinal detachment, C. Tractional retinal detachment, D. Exudative retinal detachment
A: Primary retinal detachment
Answer: A: Primary retinal detachment 
Explanation: Retinal tears are otherwise called as retinal detachment. Rhegmatogenous retinal detachment usually associated with a retinal break (hole or tear) through which subretinal fluid (SRF) seeps and separates the sensory retina from the pigmentary epithelium. This is the commonest type of retinal detachment. Ref khurana 6/e p299