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': 'Indocyanine Green Angiography is most useful in detecting \nSelect and explain. \nA. Occult Choroidal Neovascularization (Occult CNV), B. Classic choroidal Neovascularization (Classic CNV), C. Angioid streaks with choroidal Neovascularization (CNV), D. Polypoidal choroidal vasculopathy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fundus fluorescein angiography and indocyanine green angiography help in detecting choroidal neovascularization (CNV) in relation to foveal avascular zone. Which may be subfoveal, juxta foveal or extrafoveal CNV. Reference : A K KHURANA COMPREHENSIVE OPHTHALMOLOGY, Edition4 , page-275', 'role': 'assistant'}]