Eyes

If you were to accidentally scratch the outermost part of your eye, which part would you damage?

• The cornea

• The lens

• The retina

• The pupil

What do the lens and cornea have in common?

• They both send messages to the brain.

• They can both change shape.

• They both contain photoreceptive cells.

• They both bend light into a focused beam.

What would happen to your pupils if it's extremely bright outside?

• They would let a lot of light into your eyes

• They would expand and become very large

• They would contract and become very small

• They would close up completely

How are rods different from cones?

• Rods are sensitive to light, while cones can detect color.

• Cones are sensitive to light, while rods can detect color.

• Cones send images to the brain, while rods do not.

• Rods send images to the brain, while cones do not.

The dark circle in the center of the iris where light enters the eye

• cornea

• lens

• pupil

• retina

The white part of the eye that controls movement

• pupil

• iris

• cornea

• sclera

Label the Diagram of the Eye

e

d

f

g

c

b

a

Lens

Pupil

Optic Nerve

Sclera

Retina

Cornea

Iris

The clear layer forming the front of the eye

• iris

• retina

• cornea

• lens

The part of the eye that focuses and refracts light

• cornea

• lens

• retina

• iris

The colored part of the eye that controls the amount of light that can enter

• iris

• pupil

• cornea

• retina