Front

What is the function of the retina?

Back

The retina is the layer of receptor cells at the back of the eye where light is converted into nerve impulses.

Front

What does the pupil do?

Back

The pupil regulates the amount of light that enters the eye.

Front

What is the iris?

Back

The iris is the colored part of the eye that controls the size of the pupil and the amount of light entering the eye.

Front

What is the cornea?

Back

The cornea is the clear tissue that covers the front of the eye.

Front

What is nearsightedness?

Back

Nearsightedness is a condition where a person cannot see things far away clearly without corrective lenses.

Front

What is farsightedness?

Back

Farsightedness is a condition where a person cannot see things up close clearly.

Front

What is the lens of the eye?

Back

The lens is a transparent structure that helps focus light onto the retina.

Front

What is vitreous humor?

Back

Vitreous humor is the clear gel that fills the space between the lens and the retina.

Front

What is the function of the eye's muscles?

Back

The eye muscles control the movement of the eye and help focus on objects.

Front

What is the optic nerve?

Back

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