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Match the columns in the following table and explain them:

Column 1 Column 2 Column 3
Farsightedness Nearby object can be seen clearly Bifocal lens
Presbyopia Faraway object can be seen clearly Concave lens
Nearsightedness Problem of old age Convex lens

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Column 1 Column 2 Column 3
Farsightedness Faraway object can be seen clearly Convex  lens
Presbyopia Problem of old age Bifocal  lens
Nearsightedness Nearby object can be seen clearly Concave  lens




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