Front

What is the function of the cornea in the eye?

Back

The cornea helps to focus light onto the retina.

Front

What is the role of the iris in the eye?

Back

The iris controls the amount of light that enters the eye by adjusting the size of the pupil.

Front

What is the purpose of the pupil?

Back

The pupil is the opening in the center of the iris that allows light to enter the eye.

Front

What does the retina do?

Back

The retina converts light into electrical signals that are sent to the brain.

Front

What is the optic nerve?

Back

The optic nerve transmits visual information from the retina to the brain.

Front

Why do some people need glasses?

Back

Some people need glasses because their lenses are not shaped correctly, affecting their ability to focus.

Front

What is a common vision problem that requires glasses?

Back

Nearsightedness (myopia) is a common vision problem where distant objects appear blurry.

Front

What is farsightedness (hyperopia)?

Back

Farsightedness is a vision condition where nearby objects appear blurry.

Front

What are contact lenses?

Back

Contact lenses are thin lenses placed directly on the surface of the eye to correct vision.

Front

What is a cataract?

Back

A cataract is a clouding of the lens in the eye that affects vision.