No matter how amazing the human brain organ is, it is surprisingly easy to fool, and the mysterious optical illusion below, where you have to look for numbers, plays on this as well. Does it work for you?

Most illusions, or optical illusions, revolve around how the eye and brain receive information and then transform it so that it differs from objective reality.

First of all, it is worth looking at the photo below:

Kind of confusing, right? But now that you’ve got a good look, the question arises of what numbers you see inside the circle.

This is very evil delusion, which plays with the eye’s contrast sensitivity. It is a fundamental aspect of our vision, for example, allowing us to distinguish a figure from a background and to recognize facial features in a dimly lit room. However, the above graph is laid out in such a way that the numbers and lines reach different levels of contrast sensitivity, which means you don’t have to rush to your family doctor right away if you can’t quite read it.

So what are the numbers you see in the picture?

Scroll down for the solution.

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Well, if you can read numbers 3,452,839, there’s a good chance your contrast sensitivity is working great.