why concave lens is used to correct myopia disease
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Because it's bulged inside and concave corrects it ..Miopia is the defect in which image is not exactly refracted on our retina...so concave lens helps image to form exactly on retina ......
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because myopia is the deffect of human beings in which farther object cant be seen properly so we use convave lens so that it converge the ray and fall the image on cornea so that person can see clearly.
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