Weird And Wonderful Facts About Eyes

Eyes are wonderful things. They are the second most complex organ in the human body with over 2 million moving parts! In fact, eyes are so interesting, we’ve compiled a list of the weirder and more wonderful facts about them.

Did You Know…?

Despite your eyes being at the front of your head, the part of your brain that handles seeing is actually at the back of your head.

Spectacles had been treating long-sightedness for around for 300 years before anyone could learn to correct short-sightedness…

… and 500 years before anyone thought to find a way for them to stay on your face.

Some guide-dogs are so short-sighted that if they were human, they would have to wear glasses!

Eye See The Sea…

Pirates believed that wearing gold earrings improved their eyesight.

Shark corneas are used in human eye surgery because they are the most similar to the human cornea.

The creature with the most eyes in nature is the giant clam, Tridachna gigas.

Eye Say Eye Say Eye Say…

Eyes contain around 107 million light-sensitive cells.

While we can detect 10 million unique colours, we are all colour blind from birth.

If you saw everything upside down, your brain will stop flipping the images your eyes send them, so you can see the right way up.

The entire length of all the eyelashes shed by a human in their life is over 98 feet with each eye lash having a life span of about 5 months.

Although the function of tears is to keep eyes clean, scientists don’t understand why we cry when we are upset.

Night Vision – We See Green, Owls See Blue

The images on night vision goggles are green because you can see more shades and detail in green than in any other colour.

Owls cannot move their eyes, but are the only bird which can see the colour blue.


For more weird and wonderful facts about your eyes, pop into your local Eyesite store.