What is the size of an eye?
1)The eye is the size of a watermelon
2) The eye is the size of a ball
3)The eye is the size of a ping-pong ball
3)The eye is the size of a ping-pong ball
The eyes _____________
1) help us to hear
2) help us to see
3) help us to taste
2) help us to see
The eyes are a ___________ organ.
1) musical
2) sensory
3) organ
2) sensory
What is #1 called?
Eyebrow
What is # 2 called?

Eyelid
What is # 3 called?

Eyelashes
What does the eyebrow, eyelids and eyelashes do?
1) they allow you to see light
2) they send light to the brain
3) they protect the eyes from sunlight, dirt and dust
3) they protect the eyes from sunlight, dirt and dust
What do tears from the tear ducts do?
1) They help you see
2) They keep your eyes clean and moist
3) They give you a shower
2) They keep your eyes clean and moist
Sclera
What is the transparent layer in front of the eye called?
What does it do?
It is called the cornea.
It refracts light.
1) What is #9 called?
2) What does it do?

#9 is called the lens.
The lens focuses light on the retina.
1)Where is the iris?
2) What is the function of the iris?

#8
The iris controls the amount of light that enters into the eyes.
1)What is the black dot in the center of the iris called?
2) Where is it in the Eye Diagram?
3) What is its function?

2) It is #7 in the Eye Diagram
3) Its function is allowing light to enter the eye.
1) What does the retina do?
2) Where is the retina in the Eye Diagram?

1) The retina converts light into electrical signals that travel through the optic nerve to the brain.
2) It is located at #10 in the Eye Diagram
1) What is the system of raised dots used for reading and writing by the blind.
2) What languages can Khun Mu speak?
3) What did Khun Mu study at university?
1) The Braille system
2) Khun Mu can speak Thai, English and French
3) Khun Mu studied English at university