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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

The contact lens prescription for a nearsighted person is −4.00 D and the person has a far point of 22.5 cm. What is the power of the tear layer between the cornea and the lens if the correction is ideal, taking the tear layer into account?

To determine

What is the powerof the tear layer?

Explanation

Given info:

Formula used:

The power vision of this myopic mancan be obtained using:

  pmyopic=1do+1di

The power of normal distant vision p normal can be defined as:

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