Eye Anatomy
Vision Disorders
Eye Care
Random Vision Facts
100

The dark hole in the middle of the iris that controls the amount of light reaching the back of the eye.

Pupil

100
A common treatment for astigmatism.
Glasses (or contact lenses).
100

What you wear on a sunny day to protect your eyes.

Sunglasses

100

Humans do this about 15-20 times per minute and up to 1,200 times per day!

Blink

200

It focuses light to the back of the eye by changing shape.

Lens

200

 The decreased ability to see color or differences in color.

Color Blindness

200

What you wear when playing sports, doing construction, or home repairs to protect your eyes.

Safety Glasses/Safety Goggles

200

This household pet is nearsighted, meaning it can see things near them but not far away. 

Cat

300

The clear outer layer of the front of the eye.

Cornea

300

Images of distant objects are blurred due to the eyeball being too long. 

Myopia (Nearsightedness)

300
It's important to check for eye diseases and conditions.

Eye Exams

300

This household pet cannot tell red and green apart.

Dog

400

The types of photoreceptors that change light into energy to be transmitted to the brain.

Rods & Cones

400

A vision disorder that can lead to fatigue or crossed eyes.

Hyperopia (Farsightedness)

400

A primary health care provider for the eye.

Optometrist

400

This vision disorder is more common in males than in females.

Color Blindness

500

This type of photoreceptor perceives color.

Cone (Cells)

500

The surface of the cornea or lens is a weird shape, causing fuzzy vision.

Astigmatism
500

Taking a break every 20 minutes to look at something 20 feet away for 20 seconds.

20-20-20 Rule

500

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