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

A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.

At first glance, this black-and-white zigzag pattern might look like nothing more than a dizzying wall of lines. But hidden within its hypnotic design lies a surprising image that tests how quickly ...

An optical illusion is a visual phenomenon where the brain misinterprets what the eyes perceive, creating a false or misleading impression of reality. This occurs because the brain processes visual ...