Because macular edema occurs inside the layers of retina tissue, you may have a test called fluorescein angiography, or another called optical coherence tomography (OCT) to help make an accurate diagnosis.

Fluorescein angiography images show your Eye M.D. if any blood vessels are leaking and how much leakage there is. With OCT, a special camera is used to photograph your retina. It measures the thickness of the retina and is also very sensitive at detecting swelling and fluid.

 

 

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