Optical illusion sight test with a hidden image leaves the internet baffled

Is your eyesight good enough to see the picture hidden inside this red circle?

The brain teaser is said to test the internet's vision with people able to see everything from a detailed image to just an outline, while others have struggled to spot anything at all.

The sight test is currently trending online with many users baffled by what the mysterious picture actually is.

Is your eyesight good enough to see the hidden picture inside this red circle? The brain teaser has appeared online quizzing internet users about whether they can see another shape hidden inside the red blob, above

While some claim they can see the whole image in perfect detail, others are left scratching their heads in confusion.

When the dot is flipped you can clearly see a detailed sketch of a horse complete with a mane and tail, saddle and bridle and grass around its feet.

Some people can only see the outline of the image before the red spot is flipped, while others say they can see much more. Try the test below to see how you get on.

While some claim they can see the whole image perfectly, others are completely baffled by the image. When the dot is flipped, right, you can clearly see a detailed sketch of a horse complete with a mane and tail

The online teaser shows how some people only see the outline of the horse rather than the other details in the picture such as the grass, mane, tail and saddle