• Simultaneous angiography of both eyes allows the synchronous measurement of the arm-retina-time and the retinal circulation time in each eye. The dye-filling pattern of retinal arteries, choroid, disc, and cilioretinal vessels can be compared. A new method of simultaneous fluorescein angiography of both eyes, using two fundus cameras, is demonstrated. Each camera is operated by a separate power unit, thereby providing sufficient light energy for one picture every 0.6 second. The fluorescein is injected by means of an automatic injector in order to create a compact dye bolus. Simultaneous angiograms of a healthy patient and of a patient with unilateral carotid occlusion are shown.
Laux UR. Synchronous Bilateral Fluorescein Angiography: A New Technique. Arch Ophthalmol. 1976;94(8):1403–1407. doi:10.1001/archopht.1976.03910040271021
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