Indocyanine Green Angiography

Indocyanine Green Angiography

Indocyanine Green angiography (ICG) is a diagnostic test that involves taking photographs of the blood vessels in the eye with the help of a dye similar to a fluorescein angiography. Indocyanine is green dye, that works with infrared light. After the dye is injected, it circulates through the bloodstream and makes its way to the blood vessels underneath the retina. We use a special camera to take pictures of the dye as it flows through these blood vessels.

The images produced by this test helps the doctor evaluate the retina and diagnosis or monitor problems such as macular degeneration, abnormal vessel growth, and macular edema to name just a few. Since the camera is hooked-up to a digital system, this allows the doctor the ability to interpret the results immediately.This test is considered safe for most patients, although it is possible to have a reaction to the dye or symptoms such as itching, nausea, and/or a rash. These symptoms, if severe can be controlled with oral medication. Contraindications for the use of this dye may include liver disease, allergies to iodine, or allergies to shellfish.

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Office Locations

In order to have our services easily accessible, we make ourselves available in a number of Chicago area locations, each site organized to support only the care of retina patients. All offices are open Mon. - Fri., 8:30 a.m. - 5:00p.m. We are also available after hours and on weekends, by appointment, for those patients unable to come during regular hours.

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