Eagle eye to the tear duct”. Eagle tears moisten the eyes and contain the chemical lysozyme which protects against salt water and also destroys bacteria, thus preventing eye infections. The nictitating membrane acts a sweeping wiper across the eye. The eagle iris is a pale yellow color, much lighter than human eyes. Both eagles and humans have a white area called the sclera, but in the case of eagles, it is hidden below the eyelid. Eyelid openings are oval-shaped in humans, while they are round in the case of birds' eyes. Most eagles have excellent vision. Generally, eagles do not suffer from
Guild Wars: Eye of the North 40 new armor sets, and 10 new "heroes", in addition to the new items, weapons, and titles added as usual in every "Guild Wars" campaign. It is in part intended to act as a bridge from "Guild Wars" to "Guild Wars 2" and introduces the new races of the "Norn" (dwellers on the icy slopes of the Shiverpeak Mountains to the north) and "Asura" (inhabitants of the southern part of the Maguuma Jungle), both of which would later become playable in the sequel. "Eye of the North" continues the "Prophecies" story, which is told in three acts. In Act I,