Categories PICS Optical Illusion Post author By Semih Akalin Post date Oct 5, 2011 No Comments on Optical Illusion Focus on the red dot. The blue circle will disappear. Tags illusion, mind blowing, Mind Blown, mindblown, optical illusion, red dot ← What the church thinks he means? → Upgrade Kit for iPhone 4 owners Leave a ReplyYou must be logged in to post a comment.