Your eye’s pupil got its name from Latin “Pupilla”, which means little doll. Because that’s what you see when you look into someones pupil, the little doll version of yourself.
A man developed a star-shaped cataracts in his eyes after sustaining a 14,000-volt shock to his left shoulder.
The human eye is sensitive enough that – assuming a flat Earth and complete darkness – you could spot a candle flame flickering up to 30miles (48 km) away.
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye’s lens. People who undergo surgery to remove the lens can detect ultraviolet light.
Some women can have a genetic mutation which causes them to gain a 4th color-vision cone in their eyes, allowing them to see millions of more colors.
A small number of humans may be born with Heterochromia iridum, or dual eye coloration. One eye may be blue, and the other brown or hazel. Causes of eye color discrepancies may stem from genetic mutations, combinations of distinct cells. Although most people with this “condition” are born with it, rare cases of medication induced Heterochromia have been reported.
If your immune system received access to the inside of your eyes, it would attack and destroy them as invaders. Similarly, if you damage one of your eyes and it isn’t removed and stays in your eye socket your body will make antibodies against it, which will end up attacking and destroying your good eye. …and this sometimes happens.
All blue eyed people can be traced back to one person who lived near the Black Sea 10,000 years ago.
Unhappy with the color of your eyes? There is a doctor in California that can turn brown eyes blue permanently.
It’s possible to change brown eyes to blue permanently with laser eye surgery.