Structure of the Eye

Front

What is the main function of the eye?

Back

To detect light and allow us to see.

Front

What part of the eye is responsible for focusing light?

Back

The lens.

Front

What is the colored part of the eye called?

Back

The iris.

Front

What is the function of the cornea?

Back

To refract (bend) light as it enters the eye.

Front

What does the pupil do?

Back

Regulates the amount of light entering the eye.

Front

What is the role of the retina?

Back

To convert light into electrical signals for the brain.

Front

What is the optic nerve?

Back

A bundle of nerve fibers that transmits visual information from the retina to the brain.

Front

Where does most refraction occur in the eye?

Back

In the cornea.

Front

What is the function of the sclera?

Back

To protect the inner components of the eye and maintain its shape.

Front

What is the vitreous humor?

Back

A gel-like substance that fills the space between the lens and the retina.