Cooperative eye hypothesis Cooperative eye hypothesis The cooperative eye hypothesis is a proposed explanation for the appearance of the human eye. It suggests that the eye's distinctive visible characteristics evolved to make it easier for humans to follow another's gaze while communicating or while working together on tasks. Unlike other primates, human beings have eyes with a distinct colour contrast between the white sclera, the coloured iris, and the black pupil. This is due to a lack of pigment in the sclera. Other primates have pigmented sclerae that are brown or dark in colour. There is also a higher contrast between human skin,
The Eye of the World seals on the Dark One's prison, the Dragon banner of Lews Therin Telamon, and the Horn of Valere. At the civilized world's border, the group enters the Blight (the polluted region under the Dark One's control) to protect the Eye. After a pursuit they meet the Green Man and he reveals the Eye. The group is then confronted by the Forsaken Aginor and Balthamel. As battle ensues, Balthamel and the Green Man slay each other. Soon after, Rand defeats Aginor and uses the Eye to decimate the Trolloc army and defeat Ba'alzamon. As a result, Moiraine concludes that Rand is