19-4 Seeing Light

Front

What are the cells in the retina that respond to small amounts of light called?

Back

Rods

Front

What is the part of the eye that is responsible for detecting light and color?

Back

Retina

Front

What is the layer of cells that line the inside of the eyeball?

Back

Retina

Front

What is the transparent front part of the eye that covers the iris and pupil?

Back

Cornea

Front

What is the part of the eye that transmits visual information from the retina to the brain?

Back

Optic nerve

Front

What are the cells in the retina that are responsible for color vision called?

Back

Cones

Front

What is the opening in the center of the iris that allows light to enter the eye?

Back

Pupil

Front

What is the function of the lens in the eye?

Back

To focus light onto the retina

Front

What is the colored part of the eye that controls the size of the pupil?

Back

Iris

Front

What is the process by which the eye adjusts to different lighting conditions called?

Back

Adaptation