A farsighted man uses eyeglasses with a refractive power of 3.32 diopters. Wearing the glasses 0.021 m from his eyes, he is able to read books held no closer than 0.250 m from his eyes. He would like a prescription for contact lenses to serve the same purpose. What is the correct contact lens prescription, in diopters?

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The focal lengitis of the lens Osed En Eyeglasses given by f 3D Refractive pows f 33a 030... View the full answer