What number do you first see?
A TikToker has blown people's minds with an optical illusion that's said to be able to work out which personality trait you possess
In a 2018 study, it was found that a simple optical illusion can help identify whether someone is displaying autistic traits.
People are galloping to social media in bafflement over a horse optical illusion.
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A stranger's arm in the background created a very unfortunate optical illusion
It's an optical illusion that's gone over a lot of people's heads
Is it an optical illusion or a glitch in the matrix?
This one will definitely have you scratching your head...
Get your eyeballs around this trippy tiger picture, and prepare for your mind to start fizzing as you try to spot the hidden second tiger
It took a lot of people a lot of time to figure out what it actually was
An optical illusion of a man's colour-changing jumper is confusing everyone
Another optical illusion has taken the internet by storm, this time depicting a pair of Crocs with socks
Once you see it, you can't unsee it.
A user posted the picture on Reddit in the hopes of getting some answers, but it appears more questions followed
This optical illusion is supposed to show a mermaid or a fish but people are seeing something else.
The illusion is named after Paul Troxler, a Swiss physician and philosopher
Some people see lots of numbers, some barely see any
