Anatomy Lab: Eye ANATOMY, PHYSIOLOGY AND PATHOLOGY OF THE EYE - Montgomery, O.D. COW'S EYE DISSECTION HOW LIGHT ENTERS THE EYE - YouTube HOW THE BODY WORKS: THE FOCUSING MECHANISM - YouTube HOW THE BODY WORKS; THE VISUAL MECHANISM - YouTube HOW THE HUMAN EYE WORKS - YouTube INCREDIBLE HUMAN MACHINE (2/9) THE EYE- YouTube.com The BioDigital Human - Biodigital