This optical illusion is doing the rounds on social media at the moment, and is guaranteed to drive you crazy.

Facebook user Jaya May Cruz posted the photo on her page, asking viewers if they can spot the mobile phone.

She wrote: "Let's play a game, look for the cell phone".

The post has been shared more than 18,000 times and Ms Cruz has since thanked her social media followers, writing: "Thank you everyone, I cant believe this would become viral. I'm sorry if it made your eyes hurt and head ache".

Can you see the mobile phone? When you give up, click on the photo below to flip it and get the answer.

When you look closely, you can just see the phone - it has a blue cover with a floral pattern, and merges with the rug's border.

'Fruit algebra' picture goes viral, can you work it out?

Eggcellent: Can you spot the egg hidden in a sea of bunnies?

QUIZ: Smarter than a 10-year-old? See how many SATs English questions you can answer