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College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000

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BuyFindarrow_forward

College Physics

1st Edition
Paul Peter Urone + 1 other
ISBN: 9781938168000
Textbook Problem

It has become common to replace the cataract−clouded lens of the eye with an internal lens. This intraocular lens can be chosen so that the person has perfect distant vision. Will the person be able to read without glasses? If the person was nearsighted, is the power of the intraocular lens greater or less than the removed lens?

To determine

Will the person be able to read without glasses? If the person was nearsighted, is the power of the intraocular lens greater or less than the removed lens?

Explanation

Introduction:

The lens of the healthy eye has the ability to focus both near objects as well as distant objects with great precision. Correction lenses of the same type cannot simultaneously correct all ocular conditions. For example, divergent lenses are used to correct myopia while convergent lenses are used for hyperopia.

If an intraocular lens is implanted in the eye to replace the cataract-clouded lens, the distant vision of the person is corrected but not the near vision. In this scenario, the patient should only be prescribed glasses only for reading...

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