Our eyes are the sense organs for sight. They are very important because they enable us to see. They help you identify the characteristics of people, things and places around you.
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Objectives:
At the end of the lesson, the pupils should be able to;
Identify the parts of the eyes
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Parts of the eyes
Our eyes have both external and internal parts that work together even as each part has its specific functions.
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External parts
the external part of the eyes include the eyelids, eyelashes, sclera, cornea, pupil and iris.
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Eyelids
the eyelids serves to protect the front part of the eye.
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Eyelashes
Protects the eyes by keeping dirt and and other stuff from entering your eyes.
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Sclera
The sclera is the white part of your eyes. It serves as the protective coating of the eyes.
Sclera
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Cornea
the cornea serves as the transparent covering of the eyes. it is the clear portion of your eyes that allows light to enter the eyes.
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Pupil
The pupil serves as the opening where light enters. It is the small black part in the center of the eyeball.
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Iris
the colored part of the eyes that surrounds the pupil. The muscles of the iris control how much light enters your eye.
The color of the iris may range from black to gray, brown, blue or green.
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Internal parts of the eyes
the internal parts include the lens, retina, and optic nerve.
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Lens
the lens focuses light and projects the image on the retina.
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Retina
is the part found at the back of the eye. The retina is where the image that is seen is focused. The retina sends the signals to your brain through passageways called optic nerves.
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Optic nerve
The optic nerve sends messages to the brain. Your brain then interprets these signals and processes the image of the object seen.
Lesson duration is: 60 min
