AN OPTICAL illusion that challenges people to see circles among rectangular door panels has left the internet stumped. The puzzling image, called the Coffer Illusion, has proved popular on Facebook — ...

This Optical Illusion is viral on online puzzles among the top users who solve these types of brain illusions. These types of ...

Optical illusions play tricks on your brain and can make you see things that aren't really there, from static images swirling around the page to images that stay with you even after you look away.

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.