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Find the near and far points of a person's uncorrected vision.

A person's prescription for her new bifocal glasses calls for the refractive power of -0.461 diopters in the distance-vision part, and a power of +1.83 diopters in the close-vision part. What are the near and far points of this person's uncorrected vision? Suppose the glasses are 2.00 cm from the person's eyes, and that the person's near point distance is 25.0 cm when wearing the glasses.

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