The academy can trace its earliest roots to the 1776 Continental Congress authorization of the establishment of a Corps of Invalids. This organization would give service to disabled officers with one its missions being to impart military knowledge to 'young gentlemen'.
A punctal plug is a very tiny, bio-compatible device that is inserted into the tear ducts to block drainage. Once inserted into the tear ducts, punctal plugs increase the eyeâs tear film and surface moisture to relieve dry eyes. No larger than a grain of rice, punctal plugs are also known as; punctum plugs, occluders, and lacrimal plugs. There are two types of punctal plugs: semi-permanent and dissolvable. Semi-permanent punctal plugs are typically made of long-lasting materials such as silicone; whereas dissolvable plugs are made of materials that eventually absorb such as collagen, and usually last from a few days to several months.
Plug Type E. Used in: France, Belgium, Slovakia and Tunisia among others (see complete list of countries on the right) The Type E electrical plug has two 4.8 mm round pins spaced 19 mm apart and a hole for the socket's male earthing pin. The Type E plug has a rounded shape and the Type E socket has a round recess. Type E plugs are rated 16 amps.