How Good Are Your Eyes? Can You See Inside This Red Dot?

Are your eyes fine-tuned enough to spot what's in the red dot?

This little test is driving the internet a bit crazy! 

Stare at the big red dot below and see if you can make out any vague image within it. Keep a look out for the outline, but also some of the finer details of the picture. When you think you've finished, scroll down to find out if you're seeing everything! 

Scroll down for answers on what you're meant to be seeing!

Some see nothing. Others see an outline of a horse:

BUT did you see all the hidden details? The horse is wearing a saddle and is standing on grass. Perhaps you need supervision to see this one!