The World Around Us

Human eye in section. The biochemistry of the visual system involves different parts of the brain to interpret 15,000 pixels from each eye into focused sterovision.

The human eye drawn to show its constituent parts. The biochemistry of the visual system is one of the most complex processes known. Some 15,000 pixels from each eye pass to the brain where it is processed in different areas to give the viewer an instant stereoscopic impression of what they see.

Credit: Mark Erickson