G20

G20 or Group of 20 is an intergovernmental forum comprising nineteen countries and the European Union. It works to address major issues of the global economy such as financial stability,…
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Retinoscopy

Retinoscopy is a procedure that looks in the interior of eye (retina) and measures refractive errors objectively. In order to identify whether a patient has emmetropia, myopia (nearsightedness), hyperopia (farsightedness),…
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