What is myopia and hypermetropia. What is reason and cause? How it is being corrected?
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Myopia and hypermetropia - definition
In myopia (short-sightedness), the image is formed in front of the retina and can be corrected by using a concave (diverging) lens. In hyperopia (long-sightedness), the image is formed behind the retina and a convex (converging) lens is required to correct it.
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