A Number Is Hidden in This Optical Illusion — And Not Everyone Sees It the Same Way

A Game, Not a Medical Exam

Don’t get carried away: this spiral has no medical value, even if it looks like it’s measuring visual perception. It’s not an official vision test or a tool to detect eye conditions.

Still, it’s a fascinating reminder of how complex our perception is. What we see depends not only on our eyes but also on how our brain processes what they capture.

Tips to Spot (or Re-Spot) the Hidden Number

Want to give it another try? Here are a few tricks that might help you see the full number:

• Step back a little: Being too close can blur the details.

• Adjust your angle: Raising your head or shifting your screen slightly can reveal hidden parts.

• Tweak your display: Adjusting brightness or contrast may bring the number into focus.

• Continue reading…
  

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