The Eye

What is the name of the clear, dome-shaped layers of the eye?

• Sclera

• Retina

• Lens

• Cornea

What does the cornea do?

• Protect the eye from damage and disease

• Change light into electrical signals

• Focus the light on the retina

• Control the amount of light the eye takes in

What do we call the colored part of the eye?

• Pupil

• Lens

• Retina

• Iris

What does the iris do?

• Changes light into electrical signals

• Sends electrical signals to the brain

• Regulates the amount of light that enters the eye

• Focuses light on the retina

What is the black, circular opening in the middle of the iris?

• Pupil

• Retina

• Optic Nervice

• Sclera

How does the iris regulate the amount of light that enters the eye?

• It makes the pupil bigger in low light

• It makes light into electrical signals

• It makes the pupil smaller in bright light

• It focuses the light on the retina

What is the transparent structure behind the iris that focuses light on the retina called?

• Pupil

• Lens

• Optic Nerve

• Sclera

What is the name of the light sensitive tissue at the back of the eye that converts light into electrical signals?

• Retina

• Optic Nerve

• Cornea

• Iris

What are the names of the photoreceptors in the retina?

• Optic Nerve

• Cones

• Sclera

• Rods

What do cones detect?

• Focus of the light

• Color

• Shape of the eye

• Bright light