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.
Proptosis assessment through the exophthalmos index (EI). On axial computed tomography (CT) scan with bone window, a line was drawn between the most anterior part of the frontal process of both zygomatic bones. The distance between this line and the most anterior part of both globes was calculated. Such difference was expressed in millimeters and considered as the EI.
