Explanation The differences between normal, nearsighted, and farsighted eyes are as follows: Normal eyes Nearsighted eyes Farsighted eyes Normal eyes focus at the cornea that has rounded contour bends light rays. If eyeball of a person is too long and too rounded it leads to cause nearsighted. If the eyeball is too short or the cornea is too flat, people will become farsighted. Light comes directly on the retina rather than in front or behind it. Means light comes from far objects would focus in front of the retina, thus, people will not see them clearly. Means light arrived from the nearby objects will focus behind the retina...

Biology: Life on Earth with Physiology (11th Edition)

11th Edition

ISBN: 9780133923001

Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers

Publisher: PEARSON

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Question

Chapter 40.6, Problem 3CYL

Summary Introduction

To describe:

The differences between normal, nearsighted, and farsighted eyes and also explain the way through which defective focusing can be corrected by artificial lenses.

Introduction:

Eyes help to see and view different objects by forming the image on the retina, a part of eye serves as a screen for the purpose of image formation.

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Chapter 40.6, Problem 2TC

Chapter 40.7, Problem 1CYL

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Chapter 40 Solutions

Biology: Life on Earth with Physiology (11th Edition)

Ch. 40.1 - list and describe the five major types of sensory...Ch. 40.1 - Prob. 2CYL Ch. 40.2 - Prob. 1CYL Ch. 40.3 - Prob. 1CYL Ch. 40.3 - give some examples of mechanoreceptors in your...Ch. 40.4 - describe the parts of the human ear and explain...Ch. 40.4 - Prob. 2CYL Ch. 40.4 - explain how pitch and loudness are encoded?Ch. 40.5 - Prob. 1CYL Ch. 40.5 - Prob. 1TC

Ch. 40.5 - Prob. 2CYL Ch. 40.5 - Whales arent the only animals affected by human...Ch. 40.6 - describe the structures of the human eye and...Ch. 40.6 - Assume that you are an ophthalmologist. Sergei, a...Ch. 40.6 - Prob. 1TC Ch. 40.6 - Prob. 2CYL Ch. 40.6 - Despite the presence of the Wind spot, you do not...Ch. 40.6 - Prob. 3CYL Ch. 40.7 - Prob. 1CYL Ch. 40.7 - Prob. 2CYL Ch. 40.8 - Prob. 1CYL Ch. 40.8 - Prob. 1HYEW Ch. 40.8 - Retinal implants have boon developed to provide...Ch. 40.8 - Prob. 2CYL Ch. 40 - We dont merely identify odors. We also label them...Ch. 40 - Prob. 1FIB Ch. 40 - Prob. 1MC Ch. 40 - Prob. 1RQ Ch. 40 - Many people like to eat spicy foods, but most...Ch. 40 - Prob. 2FIB Ch. 40 - Prob. 2MC Ch. 40 - Prob. 2RQ Ch. 40 - Prob. 3FIB Ch. 40 - Prob. 3MC Ch. 40 - Why are we apparently able to distinguish hundreds...Ch. 40 - Prob. 4FIB Ch. 40 - A large receptor potential in a sensory receptor...Ch. 40 - Prob. 4RQ Ch. 40 - Prob. 5FIB Ch. 40 - Prob. 5MC Ch. 40 - Prob. 5RQ Ch. 40 - Diagram the overall structure of the human eye....Ch. 40 - Prob. 7RQ Ch. 40 - Compare and contrast rods and cones.Ch. 40 - Prob. 9RQ

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Solution Summary: The author explains the differences between normal, nearsighted, and farsighted eyes and how defective focusing can be corrected by artificial lenses.

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