An official website of the United States Government 
Here's how you know

Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Photos

Snapshots of what’s happening in the Defense Department.

U.S. Air Force Lt. Col. (Dr.) Daniel Perala, left, measures the pressure of a patient's eye using a Goldmann applanation tonometer in Southwest Asia, Nov. 2, 2009. The optometry clinic provides a range of services, from routine exams to emergency eye care. Perala, an optometrist deployed from the Wyoming Air National Guard, is assigned to the 379th Expeditionary Medical Group.

EYE TO EYE

U.S. Air Force Lt. Col. (Dr.) Daniel Perala, left, measures the pressure of a patient's eye using a Goldmann applanation tonometer in Southwest Asia, Nov. 2, 2009. The optometry clinic provides a range of services, from routine exams to emergency eye care. Perala, an optometrist deployed from the Wyoming Air National Guard, is assigned to the 379th Expeditionary Medical Group.

Photo Gallery