The vertebrate eye is very well-constructed. Its many critical parts work together so that individual light photons are captured and converted into data that the brain then translates into a coherent visual image. Considering the obvious genius and purpose in eye design, claims that mindless natural processes formed the eye can only be made by ignoring the laws of logic.
Recently, Australian neuroscientist Trevor Lamb wrote a Scientific American article titled “Evolution of the Eye.” He included a narrated history, as if he had witnessed an actual eyeball evolve. But instead of providing scientific evidence, his presentation relied on logical fallacies.
First, Lamb granted god-like intelligence to an inanimate force he termed “selective pressures.” He wrote, “As body size increased, so, too, did the selective pressures favoring the evolution of another type of eye: the camera [vertebrate] variety.” But only an intelligent agent—not passive, unthinking environmental factors—could fashion the massive collection of interdependent parts that form vertebrate eyes. Lamb also wrote that “natural selection…tinkers with the material available to it,” when in reality only persons can “tinker.”1
The article made eye evolution easier to imagine by excluding the complicated design details of eye anatomy. How, step by step, would “selection” have precisely positioned the 12 muscles that adroitly move the eyeball in its socket, including the one that uses a pulley to properly swivel the eyes?2 And even if perfectly formed eyes and eye-moving muscles had somehow managed to evolve, the apparatus still would have been useless without the involuntary computations that make both the left and right eyes move in concert. In addition to overlooking these vital features, Lamb gave no explanation for how “selective pressures” could have programmed the brain to convert raw light input into discernable mental images….
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