You have 20/20 vision if you can spot the odd number out in this tricky brain teaser… you have just 7 seconds

You might be hawk-eyed if you spot the number 879 in this tricky brain teaser.

A puzzle master has challenged those who believe they have 20/20 vision to find distant digits in just seven seconds.

Can you spot the number 879? Credit: TikTok/eyetest00

On social media, they posted a short clip of nine rows and eight columns, all with seemingly identical numbers.

Bright golden lights move behind it, making it difficult to pay attention to the numbers themselves.

“Let’s take the challenge together,” TikTok user @eyetest00 wrote over the clip, urging people to take a closer look.

Do you have what it takes to find it?

Try it yourself in 3… 2… 1… Go!

Many others also tried, and some were taken aback as one person wrote: “I don’t understand since yesterday”.

While others hit in the wrong place.

But some smart people noticed it almost immediately and shared the answer in the comments.

Have you found it yet?

The answer is simple: the number is hidden in the fifth column and second row down.

Want to try another brain teaser or optical illusion? The first thing you see in this picture reveals what kind of friend you are.

You have 20/20 vision if you can spot the Barbie in this picture in less than a minute.

You have the eyes of an eagle if you can spot all 10 differences in this brain teaser in just one minute.

And the first thing you see in this optical illusion reveals whether you are peaceful or confident.