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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

If the cornea is to be reshaped (this can be done surgically or with contact lenses) to correct myopia, should its curvature be made greater or smaller? Explain. Also explain how hyperopia can be corrected.

To determine

To correct myopia, should its curvature be made greater or smaller, if the cornea is to be reshaped (this can be done surgically or with contact lenses)? How hyperopia can be corrected?

Explanation

Introduction:

Both in the implant of contact lenses and in the correction through a laser beam the function is to adjust the curvature of the cornea to reduce or increase its power, depending on whether it is a myopia or a hyperopia.

In the case of a patient with myopia, their power of vision is reduced in such a way that the images formed beyond the far point are approached at this point, in other words the power of the eye is reduced, either by reducing the curvature of the cornea to flatten it using laser or adapting a concave contact lens (Plano-concave) that flattens the cornea to reduce its curvature...

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