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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 ...
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [ 2]
The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]
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Maddox rod. The Maddox rod test can be used to subjectively detect and measure a latent, manifest, horizontal or vertical strabismus for near and distance. The test is based on the principle of diplopic projection. [ 1] Dissociation of the deviation is brought about by presenting a red line image to one eye and a white light to the other, while ...
Between 1900 and 1999, 235 buildings taller than 200 meters (656 feet) were built globally, Daniel Safarik, of the Council on Tall Buildings and Urban Habitat, told CNN in an email. Last year, 179 ...
An ongoing excavation in Damietta, Egypt, has uncovered 63 tombs from more than 2,500 years ago, alongside a trove of gold artifacts, coins and pottery. The artifacts could provide further insight ...
A cover test or cover-uncover test is an objective determination of the presence and amount of ocular deviation. It is typically performed by orthoptists, ophthalmologists and optometrists during eye examinations . The two primary types of cover tests are: the alternating cover test. the unilateral cover test (or the cover-uncover test).
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