![bushes](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/bushes.png)
![bush leaves 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/bushleaves1.png)
![bush leaves 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/bushleaves2.png)
![grass middle](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/grass_middle.png)
![grass left](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/grass_left.png)
![grass right](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/grass_right.png)
![Leaf left 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Leaf_left_1.png)
![Leaf left 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Leaf_left_2.png)
![Leaf right 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Leaf_right_1.png)
![Leaf right 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Leaf_right_2.png)
![EYE huge lid](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_huge_lid.png)
![EYE huge lid](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_huge_lid_bot.png)
![EYE huge](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_huge.png)
![pupil 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_1.png)
![EYE medium 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_medium1.png)
![pupil 3 L](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_3L.png)
![EYE medium 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_medium2.png)
![pupil 3 R](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_3R.png)
![EYE left side](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_leftside.png)
![pupil 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_2.png)
![EYE right side](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_rightside.png)
![pupil 4](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_4.png)
![EYE yellow 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_yellow2.png)
![pupil yellow 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_yellow2.png)
![EYE yellow 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/EYE_yellow1.png)
![pupil yellow 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/pupil_yellow1.png)
![Tree Above Top](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/TreeAboveTop.png)
![Tree Small](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/TreeSmall.png)
![Tree top left](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Treetopleft.png)
![grass left 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/grassleft2.png)
![Tree LEFT 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/TreeLEFT2.png)
![Tree LEFT 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/TreeLEFT1.png)
![Tree right](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Tree_right.png)
![Tree right 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Tree_right2.png)
![Tree round](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Tree_round.png)
![Tree triangle](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Tree_triangle.png)
![Tree Big middle](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Tree_Big_middle.png)
![CAT Top](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/CAT_Top.png)
![CAT eye left](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/CAT_eyeleft.png)
![CAT eye right](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/CAT_eyeright.png)
Most people rely on their eyes to see and make sense of the world around them. If you’re reading this, your eyes are hard at work. You use your eyes for countless other things, too, like doing homework, playing sports, looking for that favorite shirt, or watching out for the neighborhood’s angry dog. That’s why it’s important to take care of your eyes.
Here you can learn about your eyes, how they work, and how to keep them healthy. Plus, you’ll discover lots of fun eye facts.
Ask a Scientist
Watch now! NEI scientists explain animal eyes, what your eyes do while you sleep, and more.
Watch now! NEI scientists explain animal eyes, what your eyes do while you sleep, and more.
![Flower Leftside](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Flower_Leftside.png)
![Flower Rightside](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Flower_Rightside.png)
![Road Brown Bottom](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Road_Brown_Bottom.png)
![Road Brown Top](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Road_Brown_Top.png)
![Small Tree Tan](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Small_Tree_Tan.png)
![Small Tree Tan Middle](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Small_Tree_Tan_Middle.png)
![Pink Wave 1](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave1.png)
![Pink Wave 2](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave2.png)
![Pink Wave 3](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave3.png)
![Pink Wave 4](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave4.png)
![Pink Wave 5](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave5.png)
![Pink Wave 6](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/Pink_Wave6.png)
![yellow road](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/yellow_road.png)
![yellow dog](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/yellow_Dog.png)
From Light to Sight
Ever wonder how you’re able to see? Find out with this video.
Ever wonder how you’re able to see? Find out with this video.
![visual system video](https://webarchive.library.unt.edu/web/20170124194436im_/https://www.nei.nih.gov/sites/default/files/kids/homepage/visual_system_video.png)