The Eye

Front

What happens to the pupil when you enter a dark room?

Back

The pupil gets larger to allow more light to enter the eye.

Front

What is the function of the retina?

Back

The retina contains photoreceptors (rods and cones) that detect light and enable vision.

Front

What are rods?

Back

Rods are photoreceptors in the retina that detect gray tones and function well in low light.

Front

What are cones?

Back

Cones are photoreceptors in the retina that detect color and function best in bright light.

Front

Where are the rods and cones located?

Back

Rods and cones are located in the retina.

Front

What is the role of the optic nerve?

Back

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

Front

What is the cornea?

Back

The cornea is the clear, front part of the eye that helps focus light.

Front

What is the lens of the eye?

Back

The lens is a transparent structure that changes shape to help focus light onto the retina.

Front

What is the function of the iris?

Back

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

Front

What is the difference between rods and cones?

Back

Rods are sensitive to low light and detect gray tones, while cones detect color and function in bright light.