Eyes , Retinas , Retinal Vessels , Lenses , Corneas Eyes , Retinas , Retinal Vessels , Lenses , Corneas , Irises , Pupils , Anterior Chambers , Vitreous Humor , Sclera , Optic Nerves , Eyelids , Opens , Shuts , Eyelashes , Blood Vessels , Tissues , Focus , Bright , Light , Darkness , Cells , Sensitive , Cones , Rods , Color , Lacrimal Glands , Lacrimal Ducts , Fluids , Tears more >> << less

Ever wonder how your eyes work? This article explains it, from the pupil to the retina and beyond.