This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
[{'content': 'Fluorescein dye study is done to detect \nSelect and explain. \nA. Assess retinal function of babies, B. Retinal vascular pathology, C. Macular pathology, D. Posterior segment of eye', 'role': 'user'}, {'content': 'Answer: B \nExplanation: A fluorescein angiography is a medical procedure in which a fluorescent dye is injected into the bloodstream. The dye highlights the blood vessels in the back of theeye so they can be photographed.Retinal vascular disorders e.g., diabetic retinopathy and central retinal vein occlusion Reference : A K KHURANA Comprehensive Ophthalmology; edition 4; page-273', 'role': 'assistant'}]