in Human Body

Eyes – Structure and Functioning

Inventors have made airplanes, telephones, computers and many other marvelous things. Few inventions, though, can compare to the wonder of your eyes. Your eyes allow you to see the green grass, your mom and your dog.

How the Eyes Work Image - Science for Kids All About Your Eyes
Light travels onto a thin, curved part of your eye called the retina. The retina sends messages to the brain about the light. Your brain decides what it is that you’re seeing.

Because of your eyes you can read a book, watch a movie or play a game of checkers. Have you ever wondered how your eyes work? Light travels onto a thin, curved part of your eye called the retina. The retina sends messages to the brain about the light. Your brain decides what it is that you’re seeing.

Fun Facts about the Eyes for Kids

  • Your eyeball is about 1 inch across. It is soft like jelly. Inside your eyes are blood vessels.
  • The black part of the eye is called the pupil. In bright light it gets smaller. Too much light can hurt your eyes. The irises protect them. In low light, the pupil gets bigger to let in more light.
  • The colored part of your eye is called the iris.
  • Some people are near-sighted or far-sighted. People who are near-sighted can’t see things far away. People who are far-sighted can’t see things close up. This happens because the eyeball is too long or is flattened. Wearing glasses or contacts can fix these problems.
  • More people have brown eyes than blue. You probably have the same color eyes as one of your parents.
Parts of the Eye Image
All About Your Eyes: Main Parts of Your Eye

Eye Vocabulary

  1. Marvelous: wonderful, fantastic
  2. Compare: think about how one thing is like another
  3. Iris: the colored part of your eye
  4. Pupil: the black part of your eye
Baby with Tears in Her Eyes Image
Tears can clean and protect our eyes. Tears even have an ingredient that kills bacteria.

Learn More All About Your Eyes, Its Structure and Functioning

Have a look at this amazing video all about your eyes:

A video explaining how the human eyes work.

Eye Q&A

Question: Why do we have tears?

Answer: Crying sometimes makes you feel better when you’re sad or upset, but the other reason we have tears is to clean and protect our eyes. Tears even have an ingredient that kills bacteria.

———————————–

Question: Why do we blink?

Answer: Blinking cleans the eyes and removes dust. When you blink, a thin layer of tears coats the eyes.

 

Enjoyed the Easy Science for Kids Website all about Your Eyes info? Take the FREE & fun all about Your Eyes quiz and download FREE Eyes worksheet for kids. For lengthy info click here.