Parts of the Eye

Front

What part of the eye regulates the amount of light entering the eye and gives the eye its color?

Back

Iris

Front

What is the opening through which light enters the eye?

Back

Pupil

Front

What is the name of the part of the eye that carries messages from the eye to the brain?

Back

Optic nerve

Front

What part of the eye protects the iris, pupil, and lens?

Back

Cornea

Front

What is the clear tissue that covers the front of the eye?

Back

Cornea

Front

What part of the eye focuses light onto the retina?

Back

Lens

Front

What is the layer of receptor cells at the back of the eye?

Back

Retina

Front

What is the jelly-like substance that fills the eye and helps maintain its shape?

Back

Vitreous humor

Front

What part of the eye adjusts to focus on objects at different distances?

Back

Lens

Front

What is the colored part of the eye that surrounds the pupil?

Back

Iris