Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

In this optical illusion picture, two patients are hiding in plain sight. Can you spot them in 9 seconds? Test the sharpness of your eyes now!

These optical illusions are intriguing visual puzzles that challenge the way the brain processes images. Sometimes they trick ...

Challenge your brain with this optical illusion IQ test online! Spot the hidden pencil in just 5 seconds in this tricky ...

Optical illusions are captivating images that trick our brains, playing with our perception of color, light, and patterns. A ...

THIS is the brainteaser that asks you to combine more than one skill – pictures and words – in a punishing game of intellect.

Choosing the right materials is key to creating DIY optical illusion art: High-quality drawing paper: Choose paper with a ...

This Republic Day optical illusion challenges viewers to spot the lone 26 hidden among a sea of 22s, 62s, and 66s arranged in ...

Optical illusions are a great way to train your brain, even if they can leave you frustrated at times, which is what this ...