Did you know that the images formed in the retina of your eyes are upside down? So you actually see the world upside down and in 3D – which gives you proper visual orientation, when you need to navigate through a set of stairs, for example.  Processing visual information is a pretty complex task – and it takes up a relatively large portion of the brain compared to other senses. Your brain does a lot of work before you actually get the image in front of your eyes. One takes is to combine two images from different eyes into one. And another one – to make the images right-side-up. What a wonderful mechanism human body is! Music by Epidemic Sound https://www.epidemicsound.com/ Subscribe to Bright Side : https://goo.gl/rQTJZz
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