Methylation of key development genes represses their expression, and with it eye development, in this venerable icon of evolution.
The evidence of purpose and design permeate life at every level, and this evidence presents ever increasing challenges to all theories of undirected evolution.
Charles Darwin famously offered a suggestion as to how his theory could be falsified.
If one insists on and is committed to naturalism, then naturalistic, evolutionary, explanations are what you will find.
Darwinian theory attributes the most wonderful creativity to the power of random mutations (sifted by natural selection).