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Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
March 17, 2010. ( 2010-03-17) [1] Current status. Online. C-SPAN Video Library is the audio and video streaming website of C-SPAN, the American legislative broadcaster. The site offers a complete, freely accessible archive going back to 1987. It was launched in March 2010, and was integrated into the main C-SPAN website in 2013.
Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
The Lattice C Compiler was released in June 1982 by Lifeboat Associates and was the first [citation needed] C compiler for the IBM Personal Computer. [1] The compiler sold for $500 and would run on PC DOS or MS-DOS (which at the time were the same product with different brandings). The first hardware requirements were given as 96KB of RAM and ...
Loop peeling. Loop peeling is a special case of loop splitting which splits any problematic first (or last) few iterations from the loop and performs them outside of the loop body. Suppose a loop was written like this: int p = 10; for (int i=0; i<10; ++i) { y[i] = x[i] + x[p]; p = i; } Notice that p = 10 only for the first iteration, and for ...
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]
An Abbe–Koenig prism is a type of reflecting prism, used to invert an image (rotate it by 180°). They are commonly used in binoculars and some telescopes for this purpose. The prism is named after Ernst Abbe and Albert Koenig . The prism is made from two glass prisms, which are optically cemented together to form a symmetric, shallow Vee ...