Find what should the focal length of her contact lenses

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Anne is farsighted; the nearest object she can see clearly without corrective lenses is 1.9 meter away. It is 1.8 centimeter from the lens of her eye to the retina.

Find what should the focal length of her contact lenses be thus that she can see clearly objects as close as 16.0 cm from her eye?

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Reference no: EM13659569

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