Light Parts of Eye

Regulates the amount of light entering the eye and gives the eye its color.

• Iris
• Lens
• Pupil
• Retina

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

What is letter B

• Optic nerve
• Lens
• Cornea
• Retina

What is letter G?

• Sclera
• Retina
• Lens
• Vitreous humor

This part of the eye carries the message from your eye to the part of your brain that controls vision. 

• cornea
• lens
• optic nerve
• retina

This part protects the eye, especially the iris, pupil and lens.

• rods
• cornea
• optic nerve
• retina

This is the gooey material that is clear and helps to give the eye its shape:

• aqueous humor
• vitreous humor
• pupil
• ciliary muscles

This part of the eye changes shape to control the amount of light that enters the eye.  It is also known as the colored part of the eye.  What is it called?

• pupil
• lens
• iris
• retina

What is letter I?

• Cornea
• Lens
• Vitreous humor
• Optic nerve