For Kids: Information About Eyes!

Learn all about our eyes, including the names of the different parts and what they do! Learn how we see!

Every day we see things with our eyes. We see the sky, trees, cats, dogs, birds and the faces of our friends, but how do we see all that? How do our eyes work?

Our eyes have many parts. The black part on the front of our eye is called the "pupil." It is really a little hole that opens into the back part of our eyes.

Around the pupil is a colored muscle called the "iris." Our eyes may be BLUE, BROWN, GREEN, GRAY OR BLACK, because that is the color of the iris.

The white part of our eye is called the "sclera." At the front, the sclera becomes clear and is called the "cornea."

Over the front of our eye is a clear covering called the "conjunctiva."

Just behind the pupil is a lens. It is round and flat. It is thicker toward the middle.

Inside our eye, at the back, is a part called the "retina." On the retina are cells called "rods" and "cones." These rods and cones help us to see colors and light.



Now, this is how our eyes work and let us see things:

Light enters our eye through the pupil. The cornea, at the front of our eye, bends the light. The light passes through the lens to the retina. It then focuses on the retina, like a little picture of whatever we are looking at, but it is upside down! Nerve cells in the retina send that "picture" to our brain. Our brain figures it out so we see right side up!

If the lens in our eye doesn't work quite right, we can get glasses to help us see. Glasses have lenses in them that work with our eye's own lens to help us see better.

Our eyes are very important to us, and we must protect them. We don't want dirt, sand, splinters or even fingers to get in our eyes. We don't want our eyes to get scratched or poked. That could damage our sight!

Our body has some natural protection for our eyes. Our eyelashes help to keep dirt out of our eyes. Our eyebrows are made to keep sweat from running into our eyes. We also have muscles around our eyes that cause us to blink every few seconds. Blinking helps to wash tears over our eyeballs. That keeps them clean and moist. Also, if something is about to hit our eye, we will blink automatically.

Besides the natural protection that we have for our eyes, we can help to protect them in other ways. We can wear special protective goggles when we are doing something that might endanger our eyes. They can protect our eyes when we mow the lawn or use power tools. Wearing goggles will keep something from flying into our eyes. We can wear sunglasses to protect our eyes from the bright sun.

We should never put anything in or near our eyes, unless we have a reason to use eye drops. We would only do that if our doctor or parent told us to use them.

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Our eyes let us see a beautiful world!

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