We love a nice optical illusion (if you hadn't noticed), and happily the internet is full of people creating little gems to trick our eyes. Anyone wanting to create their own won't want to miss this ...
An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality.
A stereogram optical illusion is a fascinating visual puzzle that hides a 3D image within a 2D pattern. At first glance, it appears to be a random collection of repeating designs or colourful dots.
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