This trippy image appears to be a pigment enigma. Puzzle lovers are straining their brains over this optical illusion, which reportedly fools the viewer into thinking that they have gone colorblind.

A head-scratching optical illusion challenges the perception of color and how the brain plays tricks on us. In an image created by the UK contact lens vendor Lenstore, a series of lilac letters ...

Optical illusions are images or designs that trick our eyes and brain. They make us see things that are not really there, or see movement where nothing is moving. These illusions happen because our ...

An optical illusion is a type of illusion that occurs in the visual system, causing something to appear that does not actually exist or that is different from reality. There are a wide variety of ...