You have 20/20 vision if you can work out which horse the head belongs to in this optical illusion in 10 seconds

THIS mind boggling optical illusion is baffling users as they try to find out which horse the head belongs to.

Two horse's necks can be seen in the illusion, but only one horse's face - and only those with perfect vision can deduce which it belongs to.

Both horses have a gorgeous chestnut brown coat, but only one of them is the rightful owner of the mug seen in the photo.

Optical illusions and brainteasers are becoming a popular daily activity for those who are looking to test not just their eyesight, but their brainpower too.

While you have a look to decide which horse the head belongs to, why not try out some other optical illusions?

Don't worry - we've circled the answer for you below if you're having trouble finding it.

You need to have a high IQ to spot the horse in this cartoon - but you only have seven seconds.

This optical illusion challenges you to locate the hidden horse in the elephant's farm.

The puzzling picture shows a grey elephant carrying a log with its twisted trunk.

Lush green bushes and a red-roofed barn also make an appearance in the mind-bending image.

If you're a fan of construction, they try spotting the glasses among the tools in this tricky brainteaser in less than 25 seconds.

Or, figure out if you're left or right brained by counting how many watermelons you can see in this mind-bending illusion.

You have 20/20 vision if you can spot the horse hidden in this tricky optical illusion - and it's more difficult than you think.

The mind-boggling image challenges viewers to take a hard look at the black-and-white woodland scene.

Did you manage to find which horse the head belongs to?

Take a closer look at the colour of the horse's manes... and try to match it to the head of the horse.

You'll find the horse's neck on the right belongs to the horse's face.