Everyone can spot the first cat – but only people with with 20/20 vision can see the second sneaky puss in 12 seconds

THIS mind-boggling optical illusion has left puzzle fanatics scratching their heads searching for the answer.

Test your IQ and observation skills by trying to find the second cat hidden in this picture – yes, there are two cats.

For those puzzle-heads among you, there’s an added catch: you have to try and find the face within 12 seconds.

So, grab a timer, set it to 12 seconds, and prove your puzzle-solving skills.

Although it may seem like an ordinary image, this is no easy feat and 99% of people have failed to find the second cat.

Optical illusions are purposefully designed to trick our vision, and can be used as simple determiners of intelligence.

Psychologists at The University of Glasgow found that staring at an optical illusion can improve eye sight by allowing you to see small print.

And according to ZenBuisness: “These visual puzzles can give you a good mental workout that can, in turn, help you think more efficiently and solve problems more easily.”

They are widely regarded to help improve our attention spans, concentration, and overall…