Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A. Color fundus photograph showing right (left) and left (right) eye venous dilation and mild tortuosity, with scattered large dot blot retinal hemorrhages.
B. Magnetic resonance angiography demonstrating complete occlusion of the internal carotid arteries bilaterally. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article).
