Rush said:I suppose you'd need to do a "what if" exercise and maybe make a list of implications assuming our retina was like that of a squid and see where that ends up. Maybe you'd find we would be yet another degree superior or maybe you'd find humans would never have come to be or maybe your study would be inconclusive. I look forward to what you come up with.
That's your "what if" exercise? Do you have to be led every step? With even just a smidge of contemplation, one should realize the impossibility to know the full range of implications of the assumption of a different eye.If light didn't have to pass through other cells before hitting our photoreceptors, we would have increased resolution and light sensitivity. We would have a better eye in every way.
One can easily point out the way an eye could be better as a stand-alone object. There are many ways in which the eye could be better: Higher resolution, ability to see 360 degrees, ability to use each eye to focus on different things, or able to see a greater spectrum. Why not 10 eyes? Or 100 eyes? However, what are the historical implications? It may be that, had our evolutionary ancestors had any of those capabilities that humans would not exist today. Butterfly Effect.
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