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!

An interesting optical illusion has been doing the rounds on social media, making users wonder how it is possible. In the ...

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.

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

YOU must have amazing eyesight and an incredible IQ if you can spot the cactus in a matter of seconds. This latest ...