Optical illusions can leave a person seriously confused. As we all know from the past is that often these illusions will appear differently depending on how you look at it.But what happens when you see something totally different to another person?
One image which was shared on Twitter has left people very stumped. It shows a black and white circle with a number hidden within it.At first glance, you might see the number 45283, but on closer inspection it appears to be 3452839 – at least to some.The tweet from the user/benonwine racked up a massive 4,000 comments with many social media users left baffled by it.Want all the biggest Lifestyle news straight to your inbox?
Sign up for our free Daily Star Hot Topics newsletterOne person commented: "I can only see 528. Does that mean anything about my eyesight?"Another admitted: "45 283...
and what's the catch? Should I book an appointment with my GP?"While a third wrote: "I can see 45283, since looking at the other replies I've others are seeing 2 other numbers."I can see there are numbers there but can't make them out."This type of illusion measures a person's contrast sensitivity.Contrast sensitivity measures the amount of contrast required to detect an object, such as numbers in an aforementioned image.
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