A patient has a far point of 395 cm and a near point of 214, Ask an Expert

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A patient has a far point of 39.5 cm and a near point of 21.4 cm.

A.) What power (in diopters) should be prescribed to correct the patient's vision using a contact lens?

B.) What power (in diopters) should be prescribed to correct the patient's vision wearing glasses which are worn 0.9 cm away from the patient's eyes?

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