Optical illusion: The word ‘Sand’ appears multiple times in this grid. You have to find the word ‘Stand’ in no more than 10 seconds. Optical illusions are going viral these days. One challenge that is ...

The trick here is that your eyes get used to the pattern right away. Once the brain sees row after row of the same figure, it stops searching for anything unusual. That is why the odd number blends in ...

Do you think you have perfect vision? Here’s a quick way to find out. This optical illusion is designed to test how sharp ...

A new optical illusion is putting people’s eyesight - and patience - to the test. The challenge looks simple at first glance: a full grid of the number 349 repeated over and over. But hidden somewhere ...

Put a grid in front of people, and most will see order. That is what makes this puzzle work. The image shows rows and rows of the number 858, repeated without variation. It looks neat and complete. If ...

Optical illusions are a great brain exercise to improve your selective attention, visual scanning, and cognitive flexibility. Optical illusions to find hidden odd words among identicals test your ...

A brand new optical illusion is making waves online, challenging viewers to spot a cleverly hidden number in a sea of lookalikes. Solving the challenge is easier said than done. Only the most focused ...

Optical illusions to find hidden numbers are usually a great way to exercise your brain. These visual illusions present you ...

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