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Fluorescein angiography in nonarteritic anterior ischemic optic neuropathy segmental. Left, Fundus photograph showing diffuse optic disc edema. Middle, Fluorescein angiogram, early phase, showing diffusely poor filling of optic disc at 11.9 seconds (arrows). Right, Fluorescein angiogram, early arteriovenous phase, showing poorly filling optic disc (short arrows, left) with relatively spared segmental region of early filling at 14.1 seconds (long arrows, right) .
