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Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
4 dioptre prism, either loose or prism bar; Bright lighting conditions; Method of assessment. As it is an objective test, few instructions are required to be given to the patient. The patient is asked to fixate on a target while the examiner places a 4 prism dioptre base-out prism over the patient's eye, observing the response of the fellow eye.
The United States Air Force (USAF) deployed combat aircraft to Thailand from 1960 to 1975 during the Vietnam War. Today, US military units train with other Asian militaries in Thailand. Royal Thai Air Force Bases are an important element in the Pentagon 's "forward positioning" strategy.
Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.
A strong base is a basic chemical compound that can remove a proton (H +) from (or deprotonate) a molecule of even a very weak acid (such as water) in an acid–base reaction. Common examples of strong bases include hydroxides of alkali metals and alkaline earth metals, like NaOH and Ca (OH) 2, respectively.
Pages in category "Canadian Forces bases in Canada (closed)" The following 52 pages are in this category, out of 52 total. This list may not reflect recent changes. A.
A regular prism is a prism with regular bases. Uniform prism. A uniform prism or semiregular prism is a right prism with regular bases and all edges of the same length. Thus all the side faces of a uniform prism are squares. Thus all the faces of a uniform prism are regular polygons. Also, such prisms are isogonal; thus they are uniform polyhedra.
The United States Department of Defense continues to have a large number of temporary military bases in Iraq, most a type of forward operating base (FOB). Depending on their size or utility, the installations were called: camp, forward operating bases (FOBs), contingency operating bases (COBs), contingency operating sites (COSs), combat ...