A farsighted eye is corrected by placing a converging lens in front of the eye. The lens will create a virtual image that is located at the near point (the closest an object can be and still be in focus) of the viewer when the object is held at a comfortable distance, usually taken to be 25.0 cm. If a person has a near point of 79.5 cm, what power reading glasses should be prescribed to treat this hyperopia? Assume that the distance from the eye to the lens is negligible. power: 0.0275 Incorrect diopters

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ISBN:9780470458365
Author:Erwin Kreyszig
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A farsighted eye is corrected by placing a converging lens in front of the eye. The lens will create a virtual image that is located
at the near point (the closest an object can be and still be in focus) of the viewer when the object is held at a comfortable
distance, usually taken to be 25.0 cm. If a person has a near point of 79.5 cm, what power reading glasses should be prescribed
to treat this hyperopia? Assume that the distance from the eye to the lens is negligible.
power:
0.0275
Incorrect.
diopters
Transcribed Image Text:A farsighted eye is corrected by placing a converging lens in front of the eye. The lens will create a virtual image that is located at the near point (the closest an object can be and still be in focus) of the viewer when the object is held at a comfortable distance, usually taken to be 25.0 cm. If a person has a near point of 79.5 cm, what power reading glasses should be prescribed to treat this hyperopia? Assume that the distance from the eye to the lens is negligible. power: 0.0275 Incorrect. diopters
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