August 21, 2019
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Eye

EyeThe complex organs known as the human eyes allow you to see and distinguish faces, shapes, and sizes at first glance (literally). They also help you recognise your friends and your loved ones, as well as serve as an indispensable means of communication. Nearly four-fifths of all the impressions on the senses come from the eyes.

The facts about your eyes are not just limited to these, though. Here are some other crazy, surprising, and out-of-the-world truths about your baby blues or hazel browns:

1. 20/20 Vision is Not the Best Vision

Having good vision means so much more than being able to read the 20/20 line on the eye chart. 20/20 vision simply means that you can read what an average person can at 20 feet.

The eye chart actually does not check to see how well your eyes are following across the page. It also does not check for eye teaming, how well the print is in focus, or how well you can adjust from looking near and far. Simply put, the eye chart only checks the clarity of your vision—not really how well your eyes are functioning.

2. Ophthalmologists Can Be the First to Detect Heart Disease

The eyes are the windows to your soul—and your health. You may already know that your eye doctor can diagnose cataracts, glaucoma, and many other eye disorders. Did you know that they could be the first to detect heart disease, high blood pressure, diabetes, or even multiple sclerosis, too?

Do not put off getting your eyes checked just because you know that you have normal eyesight. Make an appointment for an eye test anyway. Sometimes, this can mean the difference between life and death.

3. Blue-Eyed People Share Only One Ancestor

For almost all of human history, every person who has walked this Earth had brown eyes. Scientists believe it was not until about 6,000 to 10,000 years ago that blue eyes appeared as a form of mutation. They speculate that this form of mutation happened in just one person and spread over time throughout central and Eastern Europe.

As the popular saying goes, “The eyes are the windows to the soul”. There is, however, just more to the eyes than, well, meets the eye.

Terohan Nula

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