7. Vision

This part of the eye sends messages to the brain

• rods
• retina
• optic nerve
• cones

what is the iris

• the colored part of the eye that controls the size of the pupil
• Transparent jellylike fluid that fills the eye and refracts light.
• Sends messages picked up by the retina to the brain 
• Hole passes different amounts of light

Where does light refract?

• Lens

• Cornea

• Pupil

• Optic Nerve

Which part of the eye is a gel material that keeps all of the parts in place?

• retina

• cornea

• lens

• vitreous humor

The thick, tough, white outer covering of the eyeball is called the __________________.

• sclera

• lens

• pupil

• cornea

The place where the optic nerve leaves the retina, where there are no light-sensitive cells is the ________________.

• lens

• cornea

• blind spot

• sclera

The tough, clear covering over the iris and pupil that helps protect the eye is the __________________.

• retina

• lens

• sclera

• cornea

Responsible for bright light and color

• cones
• rods
• cornea

What is the pupil?

• organ

• hole

• muscle

Does a basketball reflect orange light or absorb orange light.

• reflect
• absorb