Nearsightedness (Myopia)

You are able to see objects at a close distance sharply whereas objects at a far distance appear blurry.

Compared to the normal eye, the myopic eye has grown too long or its refractive power is too high: The refraction point of incoming light rays is not on the retina itself but in front of it. In this case, the correction value for the refractive error of your eye is indicated in negative diopter numbers, for example -5.75 dptr. To focus images better and more sharply, the refractive point has to be moved backwards onto the retina which is achieved with concave lenses.

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