Optical illusions help you sharpen your brain, and sometimes even change your perception.
You're in the top 45% if you can spot the two hidden words in baffling spiral optical illusion
Optical illusion: Can you spot the hidden cat in 10 seconds?
Photo of cleverly camouflaged CAT is the latest brain-teaser to drive the web insane
Optical illusion with hidden cat challenges viewers to spot feline in 10 seconds - Daily Record
Find the Hidden Green Apple in This Optical Illusion Picture
Only 1% People With Super Vision Can Find The Cat In This Optical Illusion In 5 Seconds!
101 Optical Illusions - Can You find the hidden cat? If so, then how long did it take you? :)
Can you find the cat hidden in this optical illusion?
Everyone can see the cat - but you have a high IQ and 20/20 vision if you find the doughnut in 9 seconds
Spot Hidden Mouse Among The Cats in This Optical Illusion Within 9 Seconds - News18