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11 Impossibly Cool Facts You May Not Know About Your Eyes

Your eyes are rad. Enhance their beauty (in the subtlest of ways) with a little help from 1-DAY ACUVUE® DEFINE™ Brand Contact Lenses. Click for Important Safety Information.

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1. The eye muscle is the fastest reacting muscle in your entire body — it contracts in less than 1/100th of a second!

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The eye muscles all constantly work together so you can blink, focus, and track movement, such as your cute neighbor riding his bike. ;)

2. The first eyes ever to exist were likely a couple of eyespots only able to distinguish between light and dark.

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Eventually, as creatures evolved, eyes were able to focus! A ton of changes took place to make the eye the complex organ it is today.

5. Around 6,000 to 10,000 years ago, everybody had brown eyes, and then the first blue-eyed person was born.

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Can you imagine what his or her parents thought? Oh, and all blue-eyed people in the world are related, according to science.

10. Feel free to reward your eyes with a trip to a beautiful rose garden, because your eye muscles are always working, like, really, really hard.

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That's right: Eyeing your co-worker's sandwich from across the desk takes a ton of coordination for your eyes, and you don't even know it. Here's a quick run-through of how awesome your ocular muscles are.

11. According to studies, defined limbal rings can make you appear more attractive.

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The limbal ring is the dark, round line around your iris and, apparently, you're more likely to develop a crush on someone who shows them prominently.

Oh, and super-fun fact? 1-DAY ACUVUE® DEFINE™ Brand Contact Lenses provide a defining outline around your iris to amplify contrast — for beautiful eyes that pop!

Important information for contact lens wearers: 1-DAY ACUVUE® DEFINE™ Brand Contact Lenses are available with and without vision correction. An eye care professional will determine whether contact lenses are right for you. Although rare, serious eye problems can develop while wearing contact lenses. To help avoid these problems, follow the wear and replacement schedule and the lens care instructions provided by your eye doctor. Do not wear contact lenses if you have an eye infection, or experience eye discomfort, excessive tearing, vision changes, redness or other eye problems. If one of these conditions occurs, remove the lens and contact your eye doctor immediately. You should never share your lenses with anyone else. For more information on proper wear, care and safety, talk to your eye care professional and ask for a Patient Instruction Guide, call 1-800-843-2020 or visit Acuvue.com.

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