Visual illusions deceive our thoughts into seeing things that are not.
A simpler explanation is that information sent from our eyes to our brains causes us to misinterpret reality.
This extraordinary event is made possible via "filling-in," in which the brain emphasizes certain visual data from the eyes.
Thus, an image's layers may appear differently depending on the focus direction.
Physiological illusions can also cause people to see aspects of an image that don't exist.
These photos show the same pattern due to optical illusions.
Optical illusions improve mental power by forcing you to look beyond surface perceptions and examine hidden difficulties.
These visual puzzles are a great way to improve your cognitive powers as well as your ability to perceive things clearly.