Through natural selection, different types of eyes have emerged in evolutionary history -- and the human eye isn't even the best one, from some standpoints. Because blood vessels run across the ...

an evolutionary history dealing with the emergence of our species and eyes over ... that documents human efforts to understand the eye." Part of the charm and, for me, the success of this book ...

Furthermore, various animal groups have evolved very different types of eyes ... An insect eye looks so different from a human eye that one would assume intuitively that this must have arisen ...