Though we take it for granted, the miracle of vision is one of the greatest gifts we have just by virtue of being members of the human race. Just simple things like seeing a deer in the wilderness, watching our favorite sports teams and viewing great works of art enrich our lives in absolutely immeasurable quantities.
Nevertheless, how much do we really know about these mysterious organs, the eyes that make all of these magical experiences possible?
Interesting facts about eyes that you probably didn’t know

The human eye blinks an average of 4,200,000 times a year. This means if you were given a nickel for every time you blinked you would make $210,000 annually.
Eyes are made up of over 2 million working parts.
Each individual eye contains 107 million cells and all are light sensitive
Your eye is the fastest muscle in your body. Hence, the phrase: “In the blink of an eye.”
The world’s most common eye color is brown.
Brown eyes are blue eyes underneath. Consequently, a person can receive surgery in order to make their brown eyes blue.
The night vision of tigers is six times better than that of humans.
Ommetaphobia is the fear of eyes.
Pirates wore earrings because they believed it improved their eyesight.