Axons from each-retina nasal half, after traveling in optic nerve, cross over {decussation, optic nerve} to other side in brain front middle {optic chiasma}. Temporal-lobe half-retina axons, after traveling in optic nerve, remain on same side at optic chiasma, so visual-field right half goes to right lateral geniculate body and cerebrum, and left half goes to left.
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Date Modified: 2022.0224