Your eyes normally see roughly the same image, with only a small difference between each eye. Even these differences are used by your brain to work out distances to objects. Your brain has evolved to quickly combine these two similar images, to form a 3D scene. This resource is for teachers, parents and carers to use in Sciences (SCN 2-12b / SCN 3-12a) for Second / Third (P5 – S3).
Peter Reid