An individual is constantly reading, which leads to eye strain and fatigue. Adequate information: Constant strain on the eye and its associated structure leads to the fatigue of the structure. The main mechanism that is involved in the eye strain that ultimately results in fatigue are, Pupillary constriction. Accommodation. Convergence. To analyze: The structures involved in causing eyestrain or eye fatigue. Introduction: The eyes consist of three tunics. They are:s The fibrous tunic is the outer layer and consists of sclera and cornea. The vascular tunic is the middle layer and consists of the choroid, iris, and ciliary body. The nervous tunic is the inner layer and consists of the retina. The retina possesses the photoreceptors, for example, rods and cones, to perceive the light signal.

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Chapter 15, Problem 5CT

Summary Introduction

Case summary:

An individual is constantly reading, which leads to eye strain and fatigue.

Adequate information:

Constant strain on the eye and its associated structure leads to the fatigue of the structure. The main mechanism that is involved in the eye strain that ultimately results in fatigue are,

Pupillary constriction.

Accommodation.

Convergence.

To analyze:

The structures involved in causing eyestrain or eye fatigue.

Introduction:

The eyes consist of three tunics. They are:s

The fibrous tunic is the outer layer and consists of sclera and cornea.

The vascular tunic is the middle layer and consists of the choroid, iris, and ciliary body.

The nervous tunic is the inner layer and consists of the retina. The retina possesses the photoreceptors, for example, rods and cones, to perceive the light signal.

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