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
A 7-year old male child presents with normal vision 6/6 in the right eye and hand movement perception close to the face in the left eye. On fundoscopy, his right eye was normal and left eye showed retinal detachment, subretinal yellowish exudates and telangiectatic vessels. The most likely diagnosis is: 
Select and explain. 
A. Coats' disease, B. Sympathetic ophthalmitis, C. Familial exudative vitreoretinopathy, D. Retinopathy of prematurity
A: Coats' disease
Answer: A: Coats' disease 
Explanation: Ans. a. Coats' disease