Test your eyesight and colour vision with this fun optical illusion challenge. Spot the hidden number in a colourful circle to see how well you can distinguish colours. Difficulty in seeing the number ...
14:01, Fri, Aug 30, 2024 Updated: 14:10, Fri, Aug 30, 2024 People have been testing out their eyesight on TikTok lately in a viral 'Colour Sense Challenge' - but does it really work? The Colour Sense ...
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