When you buy through links on our articles, Future and its syndication partners may earn a commission. Illusions like these mess with the brain's visual processing system, making viewers see things ...

What is an Optical Illusion? An optical illusion is a visual phenomenon where the brain misinterprets what the eyes see.

Optical illusions have long fascinated scientists, artists, and everyday viewers. These visual puzzles can make stationary objects appear to move, straight lines look bent, or colours seem to change ...

An optical illusion is a puzzle in which the image in front of you possesses a different perception. These illusions are given in different forms, like puzzles, crossing numbers, hidden items, jumbled ...