Eye
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...small spaces filled with aqueous humor, a thin, watery fluid. The...eyeball) is filled with vitreous humor, a jellylike substance. Accessory...recognition of shapes, light and dark areas, and motion. Eyes that...eyes can perceive light and dark, enabling the animal to perceive...