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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 ...
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]
Glasses, surgery [3] Frequency. ~2% (children) [3] Strabismus is a vision disorder in which the eyes do not properly align with each other when looking at an object. [2] The eye that is pointed at an object can alternate. [3] The condition may be present occasionally or constantly. [3]
Eurovision’s motto is “united by music,” and its organizer, the European Broadcasting Union, strives to keep politics out of the contest. But it often intrudes. But it often intrudes.
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.
First swimmer to cross the English Channel under 7 hours. England to France France: Philippe Croizon: 2010: 13:28: First quadruple amputee to swim the English Channel. England to France Iceland: Sigrún Þuríður Geirsdóttir: 2015: 22:34: First woman from Iceland to swim the English Channel. France to England Norway: Amandine Toso: 2017: 26:03
The Box, originally named the Video Jukebox Network, was an American broadcast, cable and satellite television network that operated from 1985 to 2001. The network focused on music videos, which through a change in format in the early 1990s, were selected by viewer request via telephone; as such, unlike competing networks (such as MTV and VH1 ...
The Spokesmen were an American pop music trio. They scored a hit single in the U.S. in 1965 with the tune "The Dawn of Correction", which was a partially sarcastic counterpoint and answer record to Barry McGuire 's protest song, "Eve of Destruction". The song was written by the group's members, John Medora, David White, and Ray Gilmore, the ...
Time stretching is the process of changing the speed or duration of an audio signal without affecting its pitch. Pitch scaling is the opposite: the process of changing the pitch without affecting the speed. Pitch shift is pitch scaling implemented in an effects unit and intended for live performance. Pitch control is a simpler process which ...