The Eye

Front

What is the function of the iris in the eye?

Back

The iris controls the size of the pupil and regulates the amount of light that enters the eye.

Front

What is the role of the retina in vision?

Back

The retina is the light-sensitive layer at the back of the eye where images are formed and inverted.

Front

What is the optic nerve responsible for?

Back

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

Front

What is the lens of the eye?

Back

The lens is a transparent structure that refracts light to help focus images on the retina.

Front

What is the cornea?

Back

The cornea is the clear, dome-shaped surface that covers the front of the eye and helps to focus light.

Front

What is the pupil?

Back

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

Front

How does the lens change shape?

Back

The lens changes shape to focus on objects at different distances, a process called accommodation.

Front

What is the vitreous humor?

Back

The vitreous humor is the clear gel that fills the space between the lens and the retina, helping to maintain the eye's shape.

Front

What is the function of the sclera?

Back

The sclera is the white outer layer of the eye that provides protection and structure.

Front

What is the fovea?

Back

The fovea is a small pit in the retina that provides the clearest vision and is responsible for sharp central vision.