Organization The Army, as one of the three military departments (Army, Navy and Air Force) reporting to the Department of Defense, is composed of two distinct and equally important components: the active component and the reserve components. The reserve components are the United States Army Reserve and the Army National Guard.
A common cause of this condition is a brain tumor, especially on the frontal lobe, in which force is applied to the skull. Another is an increase in the cerebrospinal fluid which is present between your brain and skull. These are the only causes that would make optic nerve inflammation to be called Papilledema.
Symptoms and Signs. In patients with papilledema, vision is usually not affected initially, but seconds-long graying out of vision, flickering, or blurred or double vision may occur. Patients may have symptoms of increased intracranial pressure, such as headache or nausea and vomiting. Pain is absent.