THIS mind-boggling optical illusion is bound to get you scratching your head – especially since only 9% of people can spot ...

Only 9% of people can correctly identify the colours in a black-and-white illusion with diagonal coloured lines. This visual ...

Test your IQ with this viral optical illusion! Can you spot the hidden animal in just 5 seconds? Only the sharpest minds can ...

They are based on geometric designs such as parallel lines, spirals, waves, circles and checkerboard patterns. Often these are produced in black and white or highly contrasting colours.

This optical illusion is created to make your brain sweat and test your vision too. In the image, a Cat is hiding behind the horizontal black and white lines. Are you able to see that Cat?

The new trend on the internet asking people to “find the curved lines ... a blue and black dress was perceived by many as a white and gold dress. Earlier this year, an optical illusion ...

Now look closer. "Up close, you can see that the image is actually black and white. It has coloured lines on top of it. "Housed in London West End-based multi-sensory illusion attraction ...