Optical illusion has hidden number – only people with sharp eyes can spot it
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Optical illusions can be a huge test at times.
Some challenge your IQ level, while others put your eyes to the ultimate test.
Now the latest brainteaser to seriously baffle the internet involves a number which people must spot.
READ MORE: Mind-melting optical illusion challenges people to find animal hiding in stripes
The intriguing illusion has been confusing players on social media as there's a hidden number somewhere.
In a Twitter post, user TheFigen_ wrote: "Eye test! What number do you see?"
The picture has a multitude of numbers that are hidden amid a vibrant red background.
So do you think you can find the hidden numbers faster than others?
Since the post was shared on May 16, it racked up over 220 retweets and 2,000 likes.
One person wrote: "At first, I can't see any numbers, then as I stare at it, I saw number 7 first.
"Then 5 followed by 1. But the numbers layout 571?"
Another added: "571 and there's a letter between 7 and 1."
A third user commented: "I see a migraine."
While a fourth admitted: "That depends so much on the screen quality."
Others on Twitter joked they saw the number "69" and "420".
In case you're still struggling, it's obvious the number in the image is 571 as you'll be able to spot it after squinting.
'I'm nearly 60 and had my first child at 40 – I'm just getting started'
Optical illusions happen when your brain and eyes try to speak to each other but the interpretation gets mixed up.
Sometimes the brain will make your eyes think something is moving, but it's not always the case.
Looking for more optical illusions?
Only people with "telescopic vision" can spot cat within 10 seconds in an optical illusion.
The image has recently gone viral as people can't seem to spot the hidden cat lurking in the image.
At first glance, the furry friend isn't visible and it'll leave you scratching your head for a few minutes.
In another brainteaser, people with eagle eyes can spot hidden ball within 38 seconds.
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- Optical Illusion
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