Fun Facts
Eye Parts
Pathology
Eye Activities
100

What percent of  sensory receptors are located in the eye?

70%

100

What do Rods do?

-Respond to dim light

-Motion

-Peripheral vision

100

What is the other name for pink eye?

Conjunctivitis

100

Point to the Iris


200

How many Rods are there?

120 million

200

What do cones do?

-Respond to bright light

-color vision

200

What causes bloodshot eyes?

vessels in the surface of the white portion of the eye (sclera) become swollen

200

Point to the Sclera


300

How many cones are there?

6 to 7 million?

300

What is the transparent membrane that covers the whites of the eyes?

Conjuctiva

300

What causes blindness?

Damage to optic nerve or retina

300

One lab partner close your eyes for 15 seconds. The other lab partner should watch how their eyes change when they open them. What happens?

Their pupils get smaller with the light

400

How many rectus muscles rotate the eyeball?

4

400

What does the lens separate?

The internal eye into anterior and posterior segments 

400

Why do people become color blind?

Genetics or other eye diseases to the optic nerve or retina

400

Move your eyeballs vertically. Which muscles allow you to do this?

Two oblique muscles
500

What is the name of the fluids filled in the internal cavity?

Humors

500

What are the three tunics?

fibrous, vascular, sensory

500

What are the three most common colors color blind people cant see?

Blue Red and Green

500

Make a Triangle with your hands and put it infront of an object. Close one eye at a time back and forth and see which one shifts your view of the object. What does this mean about the eye that doesnt make the object shift?

It is your dominant eye