Human Biology: Concepts and Current Issues (8th Edition)
Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 12, Problem 10TY
Summary Introduction

Introduction:

The focusing of light is an important function of the organ, as it ensures that the visual stimulus being received is interpreted as clearly and correctly as possible. Hence, it is worth taking a closer look at what parts of the eye serve this role.

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a.) Which of the following components of the eye is responsible for two-thirds of the focusing?    a. The lens   b. The aqueous humour   c. The retina   d. The cornea   e. The fovea b.) Which of the following components of the eye allows a person to focus on objects at various distances?   a. The vitreous humour   b. The optic nerve   c. The lens   d. The photoreceptor cells.   e. The sclera c.) Which of the following components of the eye is responsible for image resolution?  a. The pupil  b. The retina  c. The sclera  d. The lens  e. The cornea
When an ophthalmologist surgically corrects a patient’s vision through LASIK or PRK, the doctor is making adjustments to the patient’s a. cornea. b. lens. c. retina. d. iris.
Myopia is a condition in which a person has: a. light rays focusing in front of the retina due to a flattened cornea b. light rays focusing in front of the retina due to a short eyeball c. light rays focusing in front of the retina due to a cornea that is too curved d. light rays focusing in front of the retina due to a detached retina
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Visual Perception – How It Works; Author: simpleshow foundation;https://www.youtube.com/watch?v=DU3IiqUWGcU;License: Standard youtube license