Only 2% of people can find the number 80 among 88.
Essentially, what you see is what creates optical illusions, which are tricks of the mind.
Illusions can cloud your perception of reality due to the interplay between
light and things, as well as your visual perception of that light.
There is a sophisticated science behind the mechanisms that make optical illusions work.
They are dependent on the way your brain interprets visual information,
including hue, brightness, pattern, and even assumptions formed from past experiences.