If you're worried your eyesight is a bit naff, then you definitely need to try this.
The 'Red Dot Test' is the latest viral sensation to boggle the nation.
Below is an image of a large red dot, but it's what's inside the dot that really counts.
Look closely, can you see anything?
While some people can't see anything within the circle, others - who clearly have Superman-worthy vision - have been able to spot the outline of a horse.
Click the image above to reveal the hidden picture. Let us know what you saw in the comments below...