Optical illusions are a great way to exercise your mind, as your brain works better when you use them to solve some difficult but engaging puzzles. However, some personality tests also reveal some hidden clues about yourself based on how you look at the image presented. It is what affects your vision, because it teaches us how our eyes and brain work together to see. We live in a three-dimensional world, so our brains receive clues about depth, light, shade, and location to help us interpret what we see.
