So what is an OPTICAL ILLUSION?
It a nutshell, an optical illusion is when the eye proceeds an image that deceives or misleads our brain. This is when the mind disagrees what the eye is seeing, creating a perception that in reality, does not match the true image.
The image above is the perfect example how an optical illusions misleads your brain. If you study the image carefully, your brain is trying to make sense why the top and bottom of the steps are on the same level. It doesn’t matter how much time you spend trying to make sense of the image, the illusion will beat you.