The eye

Which part of the eye opens in dark places and closes in bright places?  

• Cornea
• Retina
• Pupil
• Lens

Which part of the eye is where images are converted to nerve impulses?  

• Retina
• Cornea
• Optic Nerve
• Lens

Which of the following is the correct order in which light travels through the eye?  

• Cornea, Lens, Retina, Pupil, Optic Nerve
• Pupil, Cornea, Lens, Retina, Optic Nerve
• Cornea, Retina, Lens, Pupil, Optic Nerve
• Cornea, Pupil, Lens, Retina, Optic Nerve

Which part of the eye is this?

• Pupil

• Retina

• Cornea

• Lens

Where does light refract?

• Lens

• Cornea

• Pupil

• Optic Nerve

Which part of the eye is a muscle that controls the opening and closing of the pupil?

• iris

• retina

• cornea

• optic nerve

Pupil

• Focuses light
• Clear tissue that covers the front of the eye
• Opening through which light enters the eye
• Layer of receptor cells

The clear tissue that covers the front of the eye.

• Lens
• Pupil
• Iris
• Cornea

Lens

• Clear tissue that covers the eye
• Opening of the eye
• Focuses the light
• Regulates amount of light

What is letter B

• Optic nerve
• Lens
• Cornea
• Retina