Human Anatomy
Human Anatomy
9th Edition
ISBN: 9780135168059
Author: Marieb, Elaine Nicpon, Brady, Patricia, Mallatt, Jon
Publisher: Pearson Education, Inc.,
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Chapter 16, Problem 5CRCAQ
Summary Introduction

To review:

The cause of blindness of premature babies who were born before 25 weeks after conception.

Introduction:

The outermost covering of the eye is known as sclera and the cornea. The cornea forms a dome-shaped structure at the front side of the eye. The inner layer of the eye is the retina that includes rod and cone photoreceptor cells. These cells provide vision at different intensities of light. Various types of disorders are associated with vision and some of them are related to age while others are related to other reasons. Some of the common disorders that are associated with visualization are cataract, glaucoma, and some other conditions that are associated with accommodation.

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Students have asked these similar questions
Ming, a student in optometry school, felt very sad when she saw some premature babies at the hospital who were born before 25 weeks after conception. She knew that many of these children would soon be blind for life. Explain why.
If you had been born without cone cells in your eyes, would you still be able to see? Explain.
Even though they are located in the back of the retinal tissue, what is the importance of the rod and cone photoreceptor cells to our sense of sight?

Chapter 16 Solutions

Human Anatomy

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