A nearsighted woman can't see objects clearly beyond 40.0 cm

A nearsighted woman can't see objects clearly beyond 40.0 cm

A nearsighted woman can’t see objects clearly beyond 40.0 cm (her far point). If she has no astigmatism and contact lenses are prescribed, what power and type of lens are required to correct her vision?

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A nearsighted woman can't see objects clearly beyond 40.0 cm