Our eyes are composed of more than 2 million working parts.
We all have microscopic creatures lurking in our eyelashes.
The average person blinks 12 times per minute - about 10,000 blinks in an average day. It takes an entire lifetime to amass a total of about 300,000,000 blinks.
The external muscles that move the eyes are the strongest muscles in the human body for the job that they have to do. They are 100 times more powerful than they need to be.
Your eyes will never wear out.
A rod cell is sensitive enough to respond to a single photon of light
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