Only 3% of people can see this video to the end

An optical illusion published on a YouTube video has already been seen more than 27 million times.

The video, published by ScienceForum, displays an optical illusion with its eyes.

It has been carefully developed to create powerful natural hallucinations, the newspaper Express broadcast.

For better results, watch the video on full screen and on HD. Video can cause temporary hallucinogic effects.

But don't be afraid, these effects usually last only a few seconds. Read aloud every letter that appears in the center of your eye. Don't make a mistake!