Do you ever think about your eyes? To truly appreciate your eyes, the functioning of your eyes, you have to realize that your normal, healthy eyes are automatically triangulating your spacial relation continuously. That, in addition to detecting detail in even extremely low levels of light, distinguishing over ten million distinct colors, observing the smallest discrete motion, adapting to changes in visible light through changes in the pupil, automatic adaptation to light quality, focusing during movement from close objects to distant objects, continual focus with both rapid and slow object movement, observing three dimensions, and recognizing subtle patterns. Our eyes are exquisitely amazing and complicated organs. * The evolution of sight is also truly amazing. Our complex eyes began long ago with a few cells that were capable of sensing light. These specialized cells detected light and that light was then detected by the brain. Most resources that I found date early sight and ear...
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