What Do You Know About Your Eyes?

We use them more than any other sensory organ. We rely on them to guide us through the world. Our eyes are some of our most important, and vulnerable, parts of our body. What do you know about how they are built, what they do and how we use them? Check yourself out in this new science quiz!
 
1 of 13
Which of the following parts of the eye is the hole that lets in light?
Focus
Iris
Lens
Pupil
 
2 of 13
The iris can change the ____ of the pupil.
Color
Function
Size
Shape
 
3 of 13
Shrinking the pupil causes your vision to...
See more in the dark
Become clearer
See colors better
 
4 of 13
True or False: When light is very low, the iris will shrink the pupil
False
True
 
5 of 13
The lens of the eye is similar to the lens of which of the following devices?
All answers are true
Telescope
Camera
Magnifying glass
Microscope
 
6 of 13
Which part of the eye is sends visual data to the brain in the form of electric signals?
Cornea
Retina
Optic Nerve
Pupil
 
7 of 13
Which of the following is the correct order in which light travels through the eye?
Cornea, Lens, Retina, Pupil, Optic Nerve
Cornea, Pupil, Lens, Retina, Optic Nerve
Cornea, Retina, Lens, Pupil, Optic Nerve
Pupil, Cornea, Lens, Retina, Optic Nerve
 
8 of 13
Which part of the eye contains light sensitive nerves?
Retina
Lens
Cornea
Vitreous Humor
 
9 of 13
The ___________ is the colored part of the eye.
Cornea
Lens
Pupil
Iris
 
10 of 13
What is the Fovea?
The spot that sees most clearly
The center of the lens
The very center of the pupil
The blind spot
 
11 of 13
Which property of light is reflected back to your eye allowing you to see specific colors?
Speed
Amplitude
Frequency
Brightness
 
12 of 13
What is the 'Blind Spot'?
The center of the pupil
The retina
The place where the optic nerve leaves the eye
Where the nose should be but we don't see it
 
13 of 13
While the _______ in our eyes are used to see in low lighting situations, the _______ in our eye are used to see in the bright light and perceive color.
Cones, Rods
Rods, Cones
 
There's More to Learn
So you don't know that much about the eyes, that's ok, as long as you know how to use them! Why not use them to learn a... READ MORE
 
You Have an Eye For This..
Terrible puns aside, you've got a good score here and obviously some knowledge of the workings of the human eye... READ MORE
 
You've Seen it All
Terrible puns aside, congratulations for acing this quiz! You obviously know a lot about the human eye, how its built... READ MORE
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