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Sagot :
Answer:
Concave lenses are used in eyeglasses that correct nearsightedness. Because the distance between the eye's lens and retina in nearsighted people is longer than it should be, such people are unable to make out distant objects clearly.
Explanation:
I hope this helps
Explanation:
Concave is use in eye glass. And it is used because it direct the eye to see well.
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