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What is Fluoroscein dye study is done to detect and explain in detail?
Ans. is 'b' i.e., Retinal vascular pathology Angiography for fundus examination Angiography is used for dynamic flow study of Iris, Retina or choroid. Following types of angiographies are used. Fluorescein Angiography :- Sodium fluorescein dye is used by injecting it into antecubital vein. It is primarily used for retinal vasculature, but iris & choroid can also be examined. Indocyanine green Angiography :- It is used primarily for choroidal vasculature, especially in choroidal neovascular membranes (CNVM). Therefore, it is used in - i) The identification and delineation ofpoorly defined or occult choroidal neovascularization, (ii) Retinal pigmented epithelium (RPE) detachments.