The 12 balls might appear green, purple and red to you, but surprisingly, all of them are of the same colour - light brown. Optical illusion puzzles are one of the most popular things on the internet.

An astounding optical illusion shared on Reddit has left users divided over its authenticity. One person dubbed it "the ultimate optical illusion" due to the intense debate it sparked. The post is ...

Optical illusions make use of our mind’s collective unit, from the brain to the eyes, everything’s challenged to figure out what the illusion conceals. Apart from helping us improve our optical ...

An incredible optical illusion posted on Reddit has people divided over whether or not it's real. One user branded it "the ultimate optical illusion" due to the amount of debate it had prompted. The ...

An optical illusion of four balls has left people scratching their heads and questioning their sanity as they try to work out if they are the same colour. Optical illusions are visual images that ...