Did you know that the eyes themselves are not what actually allow you to see? They are simply a conveyance for messages sent to the brain, via the optic nerve.
Similarly, did you know that only one-sixth of your eye is even visible to the outside world? Or that your eyes are comprised of more than two million intricately connected working parts? And that’s just the beginning! Here are 15 fascinating facts about the eyes.
The only organ more complex than the eye is the brain.
Your eyes focus on 50 different objects every second.
Your eyes can distinguish approximately 10 million different colours.
It is impossible to sneeze with your eyes open.
Ommatophobia is the fear of the eyes.
80% of all learning comes through the eyes.
Your eyes can detect a candle flame 2.7km away.
Your iris has 256 unique characteristics; your fingerprint has just 40.
Heterochromia is the medical term for having two different coloured eyes.
Only one-sixth of your eyeball is visible.
Your eyes have cells called rods and cones. Rods are responsible for vision at low light levels. Cones are active at higher light levels.
The average person blinks 15-20 times a minute.
The shark cornea is nearly identical to the human cornea and has even been used in human eye surgery.
Did you know that the lens in your eye is the fastest contracting muscle in the body?
The optic nerve contains more than one million nerve cells.
Source: Vision Magazine June 2020