Fluorescein Angiography Guide
- Summary
- Definition
- Considerations
- Other Names
- How the Test is Performed
- How the Test will Feel
- How to Prepare for the Test
- Normal Results
- Risks
- What Abnormal Results Mean
- Why the Test is Performed
- References
Reviewed By Manju Subramanian, MD
Definition
Fluorescein angiography is an eye test that uses an special dye and camera to evaluate the blood circulation in the retina and choroid .
Other Names
How the Test is Performed
Eye drops that make the pupil dilate will be given. You will be asked to place your chin on a chin rest, and your forehead against a support bar to keep your head still during the test. The health care provider will take pictures of the inside of your eye. After the first group of pictures are taken, a special dye called fluorescein is injected into your vein, usually at the bend of the elbow. A special camera takes pictures ...
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Encyclopedia: Fluorescein Angiography
Fluorescein angiography, or fluorescent angiography, is a technique for examining the circulation of the retina using the dye tracing method. It involves injection of sodium fluorescein into the systemic circulation, and then an angiogram is obtained by photographing the fluorescence emitted after illumination of the retina with blue light at a wavelength of 490 nanometers. The fluorescein dye also reappears 12-24 hours in the patient urine, causing a yellow-green appearance....
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