A word meaning "to widen" or "to swell".
Dilate
Wearing these on a sunny day can protect your eyes.
Sunglasses
A common type of treatment for astigmatism.
Eyeglasses (or contact lenses)
This animal is nearsighted, meaning it can see things near them, but not far away.
Cat
The world's most common eye color.
Brown
The dark hole in the middle of the iris.
Pupil
Wearing these when playing sports, doing construction, or home repairs can protect your eyes.
Safety Glasses/Safety Goggles
The eyeball is too long, so images of distant objects are blurred.
Myopia (Nearsightedness)
This animal sleeps with its eyes open because they do not have eyelids to close their eyes.
Goldfish
Humans do this about 15-20 times per minute and up to 1,200 times per day!
Blink
It focuses light to the back of the eye by changing shape.
A dark leafy green that is good for your eyes.
Kale, Spinach, or Collard Greens
Another way of saying farsightedness.
Hyperopia
This animal cannot tell red and green apart.
Dog
This vision disorder is more common in males than in females.
Color Blindness
These types of photoreceptors can change light into energy to be transmitted to the brain.
Rods and Cones
Taking a break every 20 minutes to look at something 20 feet away for 20 seconds.
20-20-20 rule
The surface of the cornea or lens has a weird shape that causes fuzzy vision.
Astigmatism
This animal can see a greater range of colors than humans.
Goldfish
This animal can be found in the desert and has three eyelids! This is to protect its eyes from sand blowing in the desert.
Camel