Table 3. VISA classification (Dolman PJ, Rootman J. VISA classification for Graves orbitopathy. Ophthal Plast Reconstr Surg. 2006;22:319-324).
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.