The study of visual illusions (cases when the inference process goes wrong) has yielded much insight into what sort of assumptions the visual system makes.
Sights of nature can add to one's sense of joy and help people to relate to others.
The resulting perception is also known as eyesight, visual perception, or vision.
Sight is the sense of detecting and interpreting visible light information reaching the eyes.
Lizards rely on vision for survival, and their eyes are well developed. A review of the evidence shows that most lizards can see color better than humans can; some will use color to communicate and make decisions, and some can even see colors in very dim light.