Nearsightedness, also known as myopia, is an error of refraction of the eye in which near objects can be seen clearly while those in the distance appear blurred. It is caused by the eye being too long from front to back. As a result, the corneal lens focuses images of distant objects in front of the retina. Glasses or contact lenses with concave lenses will correct the eye's error and bring the images of far-off objects into sharp focus on the retina. Concave lenses curve inward, like the...

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    Full Nearsightedness Description

    [Continued from above] . . . inside of a bowl.