People are puzzled over what's inside this mysterious red dot
Most puzzles test your brain. This one tests your eyesight.
The latest infuriating image to sweep the Internet is this single red dot. Can you see the image inside?
Here it is again.
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So far, participants have reported varying levels of success. Some people see the hidden image easily, some people see a rough outline and some can't see anything at all.
If you're in the "just a red dot" camp (don't worry, you're not alone), check out Jack O'Neil's original puzzle on Playbuzz to put your frantic mind at ease.
Alternatively, we've included the answer below. The hidden image is a horse standing in the grass -- and sporting a fashionable saddle.
Okay, guys. Let's all head to the optometrist.
BONUS: Can you find the potato in this sea of hamsters?
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Chloe was the shopping editor at Mashable. She was also previously a culture reporter. You can follow her on Twitter at @chloebryan.