You will notice that each retina is divided in two halves: the left and the right. The right visual field represented by the red bar at the top is projected to the left half of each retina. The reverse is true for the green bar. The left half of each retina is projected to the left half of the brain and the right half of each retina is projected to the right half of the brain.
This may seem strange considering that the left half of ones body is represented in the right brain and the right half of the body is represented in the left brain. But, we must remember that the retina really is part of the brain. So its representation in the higher centers makes sense.
To see the diagram selectbrain .
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