Have you considered the complexity of the human eye? From the six muscles that move it, to the pupil and lens that focus light, to the molecular processes of the retina, to the transmission and processing of the signals to the brain, it is a marvel! Many see it as evidence that an intelligence designed all the complex, interrelated systems. But Nathan Lents, a Professor of Molecular Biology, disagrees. He points to the defects in human sight, such as near sightedness, color blindness, macular degeneration and more. He concludes, “Why an intelligent designer would deny his favorite creatures the excellent vision that he provided lowly birds is quite a mystery.”
But, could the existence of defects in sight actually prove an intelligent designer? Cornelius Hunter, who holds a Ph.D. in Biophysics and Computational Biology, thinks so. In his article “Did Nathan Lents Refute Design,” he argues that defective vision would never survive according to evolutionary theory, which is all about the survival of the fittest. He also points out that Lents’ argument is not about science, but metaphysics.*
For believers in the bible, it is quite reasonable that defects in human sight exist. That’s because the perfect world God designed was broken by sin. So continue to view the human eye as evidence of God’s design. And the existence of the diseases and defects in human sight also refute the theory of evolution.
*Cornelius Hunter, “Did Nathan Lents Refute Design?” Evolution News & Science Today, January 21, 2022, https://evolutionnews.org/2022/01/did-nathan-lents-refute-design/.
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