A blink of an eye seems natural and instantaneous, but is it? Without a functioning eyelid, the eye can become dry, irritated and eventually lose the ability to see clearly. Now, a team of UCLA ...

Blinking not only keeps our eyes moist, it also plays a key role in how we process visual information, a new study has found. Researchers at the University of Rochester in New York set about ...

Add Yahoo as a preferred source to see more of our stories on Google. A cat with its eyes closed "Why do cats blink?" might not be a question you've ever really given much thought to. After all, you ...

An overview of eyelid and facial spasms or twitching, what causes them, and different treatment options. Blepharospasm is a condition that causes involuntary eye spasms or blinking. It can be treated ...

You know that tiny eye twitch that shows up right when your inbox explodes or after your third cup of coffee? We’ve all been there. Most of the time, it’s your body’s way of saying, ‘slow down’. But ...

Spoiler alert: if you ever find yourself engaged in a staring contest with a snake, you'll lose. "Because snakes don't have eyelids, they cannot blink," explains Bruno Simões, a researcher at the ...

"Why do cats blink?" might not be a question you've ever really given much thought to. After all, you probably understand why people blink – to keep our eyes nice and moist and to clear away any ...