why concave lens is used to correct myopia?
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Classroom Correcting for Nearsightedness. ... Since the nature of the problem of nearsightedness is that the light is focused in front of the retina, a diverging lens will serve to diverge light before it reaches the eye. This light will then be converged by the cornea and lens to produce an image on the retina.
Correcting for Nearsightedness. ... Since the nature of the problem of nearsightedness is that the light is focused in front of the retina, a diverging lens will serve to diverge light before it reaches the eye. This light will then be converged by the cornea and lens to produce an image on the retina.
As eye lens could easily not accommodate parallel light rays (coming from distant object) So they need to be Diverge...
It is done by Concave lens.
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