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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 ...
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]
In another version of this scam, a consumer tried using voice search to contact Roku with a question about setting up their device. Instead, someone pretending to represent Roku charged them an ...
The “dummy” devices were implanted near patients’ nerves, needlessly putting their health at risk, officials said. Fake devices implanted in chronic pain patients in multimillion-dollar scam ...
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 ...
A Cochrane review to examine different types of diagnosis test found only one study. This study used a photoscreener which was found to have high specificity (accurate in identifying those without the condition) but low sensitivity (inaccurate in identifying those with the condition). Several classifications are made when diagnosing strabismus.
An ad for Apple’s new iPad Pro shows a piano, turntables, cans of paint and other tools of creative expression crushed in a giant hydraulic press. Some viewers say it sends a dispiriting message.
PRISM has faced criticism for privacy concerns, in that it collects "metadata and communication content." However, scholars have argued that programs like PRISM do more good than harm, in that they protect Americans from foreign threats. After the September 11 attacks, the NSA turned its surveillance apparatus on the US and its citizens.