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) Injury of the orbit from penetration by a pencil. Clinical features include proptosis, chemosis, and loss of vision due to raised intraorbital pressure. (b) CT scan identifies gas within the orbit, which together with the soft tissue swelling, accounts for the rise in orbital pressure.
