2021年6月28日 · Fluorescein angiography (FA) is when your ophthalmologist uses a special camera to take pictures of your retina. These pictures help your ophthalmologist get a better look at the blood vessels and other structures in the back of the eye.

2024年2月13日 · Fluorescein angiography is a type of eye test used to diagnose retinal conditions. It can also be used as an early way to gauge whether someone might have complications...

There are 4 types of hyperfluorescence (brightness) in FA: Leakage: Hyperfluorescence progressively enlarges with fuzzy borders. The dye permeates out of leaky, incompetent blood vessels in the setting of neovascularization, retinal vasculitis, vascular malformations, tumors, or disc edema (dye leaks from prepapillary capillaries).

2022年12月27日 · Fluorescein angiography is a test to look at your retina. It uses a contrast dye to highlight your blood vessels. Eye specialists use fluorescein angiography to diagnose or monitor eye diseases, such as diabetes-related retinopathy or macular degeneration. Fluorescein angiography is a safe test but may cause side effects such as blurred vision.

Fluorescein dye is injected intravenously, usually through an antecubital vein with sufficient speed to produce high contrast images of the early phases of the angiogram. White light from a flash is passed through a blue excitation filter.

Fluorescein angiography[1] (FA), fluorescent angiography (FAG), or fundus fluorescein angiography (FFA) is a technique for examining the circulation of the retina and choroid (parts of the fundus) using a fluorescent dye and a specialized camera.

2021年8月20日 · Understanding fluorescein angiography and its interpretation will immensely improve your capability to provide collaborative care. Bolster your knowledge of FA procedure, indications, and results to better identify and monitor retinal pathology. This report will walk you through the fluorescein angiography (FA) procedure, indications, and results.

2023年8月25日 · Fundus fluorescein angiography (FFA) is an invasive diagnostic procedure. It helps to assess the anatomy, physiology, and pathology of retinal and choroidal circulation. It aids in the diagnosis of various ocular pathologies. It contributes to decision-making when planning the management of ocular pathology. It is also useful as a teaching tool.

2020年7月1日 · 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 the...

2022年8月22日 · Fluorescein angiography is an eye test that uses a special dye and camera to look at blood flow in the retina and choroid. These are the two layers in the back of the eye. You will be given eye drops that make your pupil dilate.