Fluorescein angiography is a medical imaging technique used to visualize the blood vessels in the retina and choroid. It involves injecting a fluorescent dye called fluorescein into a vein, usually in the arm, and then capturing a series of photographs as the dye travels through the blood vessels in the eye. This procedure helps in diagnosing various retinal conditions, including diabetic retinopathy, macular degeneration, and retinal vein occlusions.
