Fluorescein Angiography

Fluorescein Angiography

Fluorescein angiography is a test used to manage eye disorders. It involves the injection of a fluorescent dye into the bloodstream. They dye illuminates the blood vessels in the back of the eye so they can be photographed. It may be used to confirm a diagnosis, determine an appropriate treatment, or monitor the condition of the vessels in the back of the eye. Disorders such as macular degeneration and diabetic retinopathy can be diagnosed with fluorescein angiography. This test doesn’t involve any direct contact with the eye. However, the eyes will be dilated before the procedure is carried out.

In this procedure, fluorescein dye is injected into a vein in the arm or the hand. As the dye passes through the blood vessels in the eye, photographs are taken to record the blood flow in the retina. These photographs can show abnormal blood vessels or injuries to the lining underneath the retina. Images are usually captured in black and white. When the dye gets into the blood vessels, it fluoresces and is recorded as grey or white in the image. Some localized burning sensation can be felt if the dye leaks out of a fragile vein during the injection. Allergic reactions to the dye are rare.

Fluorescein angiography monitors the blood vessels at the back of the eye to determine whether the eyes are getting enough supply of blood flow. The test is used to manage eye disorders or to determine how well certain eye treatments are working.

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