Fluorescein Angiography

Close up of a man's eye with fluorescein dye

It is an extremely valuable test in which a series of photographs of the retina are taken with the help of a special camera to analyze the blood circulation of choroids and retina.

How is this test performed?

You need to be fasting for 2 hours only before the test. The pupil is dilated with dilating eye drops. A special dye, called Fluorescein, is injected into a vein in the arm. The dye reaches to the blood vessels inside the eye in few seconds, A camera equipped with special filters takes the photographs of the back part of the eye as the dye circulates through the blood vessels.

Why is this test necessary?

This test is done to evaluate, diagnose and guide treatment for certain diseases of the retina, like Diabetic Retinopathy, macular degeneration, and Retinal vascular blockage, etc.

What are its side effects?

Few patients may experience nausea and vomiting or transient giddiness or itching. All the side effects are temporary and pass off within few minutes. Very rarely, the severe allergic reaction may occur.

Your urine will be dark coloured for 24 to 48 hours as the dye passes through urine.

When do I get my report?

At Eye7 Chaudhary Eye Centre’s Retina Department, we have the digital imaging system, which allows us to interpret the results immediately, and you can get the report of your test within 15 minutes.

Can I drive after the test?

It is advisable not to drive for 5 hours after the test because your pupils are dilated, and your vision remains blurred.