<p>An optical illusion with nine simple dots reveals a surprising amount about the eye and brain</p>
Visual perception is the process by which the brain interprets and makes sense of visual information received from the eyes. It involves various cognitive processes that help us understand shapes, colors, and motion in our environment.
Optical illusions are images or patterns that deceive the eye and brain, leading to a perception that differs from reality. They reveal how our visual system can be tricked and the complexities of human perception.