An optical illusion happens when the your eyes gather information that, when processed by the brain, differs from the true physical measurements or properties of the object you are seeing. This fun test shows how susceptible you are to optical illusions.

If you got most of these correct, congratulations. If not, don't worry it's all in fun. Most people find there are certain types of optical illusions they are more susceptible to than others. It's just the way our brains work and is part of what makes us all unique.

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