Reprinted with permission from Lee AG, Brazis PW. Giant cell arteritis. Focal Points: Clinical Modules for Ophthalmologists. San Francisco: American Academy of Ophthalmology; 2005; module 6. Cover image
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Fluorescein angiography image of a retina exhibiting signs of giant cell arteritis. Normally, the choroid fills completely within 3–5 seconds and before the retinal arteries do. The fluorescein dye appears dark in this negative image. The retinal arteries and veins are filled, and the temporal choroid has a large perfusion defect consistent with choroidal ischemia from giant cell arteritis.