A type of illusion created by the visual system within visual perception is optical illusion, also known as visual illusion. They are distinguished by visual experience that differs from reality.

Optical Illusion is a type of illusion in which we are unable to clearly perceive the scene or image that we see via our eyes. We are easily misled or tricked by images or scenes.
Illusion of Optical Clarity Spot the Difference: Can You Find the 6 Differences Between Two Images?