Everyone can see the hunter - but you have 20/20 vision if you can see the bear hiding in the illusion in 12 seconds

THIS stunning optical illusion challenges you to find a bear hidden in a snowy forest – no easy feat.

The retro puzzle features a hunting man wearing snowshoes and holding a rifle in a very wintry scene.

Can you find the bear? Credit: Playbuzz

The old-fashioned drawing – shared by Playbuzz – hides a large grizzly somewhere in the background – but can you spot it?

The artist has made this problem difficult to solve, despite the fact that there is only one image in the picture.

By working your way through the puzzle, you could sharpen your foot just the way you need it most.

Christmas is a time of lethargy and drinking, which makes our brains slow down because we are away from work.

Psychologists from the University of Glasgow have found that staring at a puzzle can actually drastically improve eyesight as frequent puzzle players can see fine print with greater ease.

And according to ZenBuisness, “These visual puzzles can provide you with good mental exercise, which in turn can help you think more effectively and solve problems more easily.”

Optical illusions are thought to help improve attention span, concentration and overall cognitive function.

Picture-within-a-picture puzzles help your brain interpret ambiguity.

In this particular piece, people with a high visual IQ should be able to find the first few differences in a second, and then quickly spot a few more.

But the last two or three things are almost impossible because you feel like you’ve already looked everywhere.

Many will end up searching for years or never reaching a boring solution.

A top tip is to review the tricks and stay focused on the tiny gifts in the picture as they will be where the changes are.

Eagle-eyed players spotted the beast disguised as a cliff in the background.

Have you found it yet?