Although small in size, the eye is an extremely complex organ that captures light and transforms it into impulses that the brain can interpret as images. Discover the different muscles, parts and conditions of the eye.


Is it possible to change your eye color?

Is it possible to change your eye color?

It's possible to have surgery to change your eye color, but it's not without risks. Learn more at HowStuffWorks. See more »

Is it possible to cry blood?

Is it possible to cry blood?

Movie villains aren't the only ones who cry blood. Learn whether it is possible to cry blood at HowStuffWorks. See more »

What are eye boogers?

What are eye boogers?

Eye boogers can be a common sight when you wake up in the morning. Learn what eye boogers are all about at HowStuffWorks. See more »

Is sitting too close to the TV really bad for your eyes?

Is sitting too close to the TV really bad for your eyes?

Did you ever wonder why your parents told you not to sit so close to the TV? Get the answer at HowStuffWorks. See more »

Are there really arachnids living in my eyelashes?

Are there really arachnids living in my eyelashes?

There are oodles of arachnids living on your eyelashes, but they're mostly safe. Learn more about the mites that live on your lashes at HowStuffWorks. See more »

What are eye boogers made of?

What are eye boogers made of?

You don't think about eye boogers much, except maybe when you wipe them away. They're actually real. Learn more about eye boogers at HowStuffWorks. See more »

10 Crazy Things Contacts Can Do

10 Crazy Things Contacts Can Do

Sure, they can give you 20/20 vision, but contacts are capable of far more amazing feats. Find out about amazing and crazy things contacts can do. See more »

The Best Sunglasses for Your Face Shape

The Best Sunglasses for Your Face Shape

Are aviators or wayfarer sunglasses the best for your face? Whether you have a round- or square-shaped face, find the best frames for you! See more »

Is too much TV really bad for your eyes?

Is too much TV really bad for your eyes?

Is too much TV really bad for your eyes? Find out what science says about whether too much TV is really bad for your eyes. See more »

Are carrots really good for your eyesight?

Are carrots really good for your eyesight?

Are carrots really proven to aid eyesight? Get the science on the connection between carrots and eyesight and find out if it's really true. See more »