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Myopia is a refractive error in which close objects are seen clearly but distant objects appear blurred. Nearsightedness results from a lengthened eyeball (which is more oval than round) or a cornea which is curved too steeply. The increased length of the eye or the steep curve of the cornea causes the light rays to be focused in front of the retina.
Nearsighted people can see close up, but distant objects appear blurred.
