The human eye is the organ which gives us the sense of sight, allowing us to observe and learn more about the surrounding world than we do with any of the other four senses. We use our eyesreading, working, writing a letter, driving a car,watching televisionand in countless other ways.The eye is a slightly asymmetrical globe, about an inch in diameter. The front part of the eye (the part you see in the mirror) includes:
1.The iris.
2.The cornea.
3.The pupil.
4.The sclera.
5.The conjunctiva.
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