It's quite astounding just how powerful eye contact can be — and the secrets you can learn about someone just by looking them in the eye. Eye contact is so important that science has been ...

Follow these steps to check your eye: Open it really wide. You might be able to see the object on your eyeball. Pull your lower lid down and look up into the mirror. Lift your upper lid up and ...

Your eye doctor might give you eye drops that widen or dilate your pupils. This allows medical professionals to take a better look at your inner eye. Illegal or recreational drugs can also ...