Parts of an eye.
How the eye works.
Eye Problems
Eye Vocabulary
Fun eye facts
100

This is the colored part of the eye that controls the size of the pupil.

What is the iris?

100

The black circle in the center of the eye that lets light in.

What is the pupil?

100

People with this condition have trouble seeing things far away.

What is nearsightedness/myopia?

100

What something does.

What is function?

100

These animals can see in almost complete darkness.

What are cats?

200

This clear outer covering protects the eye and helps bend light.

What is the cornea?

200

Energy that comes from sources llike the Sun and lamps and makes it possible to see things.

What is light?

200

People with this condition have trouble seeing things up close.

What is farsightedness/hyperopia?

200

A test used to discover new information about a question.

What is an experiment?

200

Humans usually have this many cones for color vision.

What are three?

300

This part of the eye focuses light onto the retina

What is the lens?

300

When the lens changes shape to see close or far.
(Answer: What is focusing?)

 What is focusing?

300

This tool helps correct vision by bending light before it enters the eye.

What are glasses?

300

The clear cover on the front of the eye.

What is the cornea?

300

This insect has compound eyes made of thousands of tiny lenses.

What is a fly?

400

This layer at the back of the eye senses light and sends messages to the brain.

What is the retina?

400

When light bounces off something.

What is reflect?

400

The inability to see.

What is blilndness?

400

This part of the body reads the signals your eyes send.

 What is the brain?

400

The fastest muscle in the human body controls this part of the eye.

What is the eyelid?

500

These nerve fibers carry visual messages from the eye to the brain.

What is the opric nerves?

500

Any organism, typically an animal, that is active primarily during the night and rests during the day.

What is nocturnal?

500

Name one way to protect your eyes from UV light.

What are sunglasses or a hat?

500

A pretend version of something that scientists use when the real thing is too big,small, or complicated to work with.

What is a model?

500

These animals can move their eyes in two directions at once.

What are chameleons?