Visual Pathways and the Consequences of Damage
Nerve signals travel along the optic nerve from each eye. The 2 optic nerves meet at the optic chiasm. There, the optic nerve from each eye divides, and half of the nerve fibers from each side cross to the other side. Because of this arrangement, the right side of the brain receives information from the left visual field of both eyes, and the left side of the brain receives information from the right visual field of both eyes. Damage to an eye or the visual pathway causes different types of vision loss depending on where the damage occurs.
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