Optical illusions manipulate our perspective, tricking our thoughts and altering the way we perceive the outside environment. These visual puzzles take advantage of the brain's propensity for inference and image interpretation based on prior knowledge. An optical illusion is a modified version of reality that presents pictures that are nonsensical or warp our perception of color, movement, or scale.
Our brain struggles to reconcile contradicting visual information, which leads to a cognitive dissonance caused by the ambiguity inherent in optical illusions. The fascinating dance between what we perceive and what is truly there is created as shapes flex, colors change, and perspectives change.