Vision (or seeing) is the ability to perceive objects or events at a distance by detecting the light (electromagnetic waves or photons) which has been reflected or emitted from the object. The information recorded from this detection may be a 2D signal (an image) or 3D signal (2D + time).

History of VisionEdit

Simple vision first evolved in animals ??? million years ago.

See main article: Vision in animals

Computer VisionEdit