From a practical standpoint, the wiring of the human eye - a product of our evolutionary baggage - doesn't make a lot of sense. In vertebrates, photoreceptors are located behind the neurons in the back of the eye - resulting in light scattering by the nervous fibers and blurring of our vision.
from The Medical News http://ift.tt/1JYGZaF
from The Medical News http://ift.tt/1JYGZaF
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