peripheral vision
Technical term used in vision science, psychology, and everyday contexts to refer to the ability to see objects outside the direct line of sight.
Peripheral vision is said to be sensitive to moving objects.
While driving, you need to use your peripheral vision to watch out for pedestrians.
中心視覚 (central vision) refers to the sharp, detailed vision in the center of the visual field, while 周辺視覚 covers the surrounding area.
Compound of 周辺 (periphery) and 視覚 (vision). The exact historical derivation is uncertain; the term is a modern technical coinage.