Optical illusion pictures are designed to trick the human mind and are regarded as one of the simplest tests to determine ...

Optical illusions are more than just a fun visual trick—they are a powerful tool to test your IQ and observation skills.

This fun optical illusion tests your ability to focus! The cluster of related words conceals a word. Within 8 seconds, ...

Optical illusion personality tests are popular for revealing hidden traits and emotions based on what one notices first in an ...

Challenge yourself with optical illusions designed to test your observation skills and creativity. Focus on the 4th row to ...

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

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

If you’ve ever been caught staring at an optical illusion for way too long, wondering what on earth is going on, you're not alone. We all love a good brain teaser, don’t we? Something that ...

Test your IQ with this optical illusion picture! Spot two hidden faces in just 5 seconds in this challenging optical illusion ...

One user took to Reddit to share a photo that worked as an optical illusion, as the black animal in the photo could have been identified as a number of different animals. However the caption of ...

This fun optical illusion tests your ability to focus! The cluster of related numbers conceals a number. Within 7 seconds, ...