The human eye, a marvel of biological evolution, has adapted over millions of years to become one of the most sophisticated sensory organs. Capable of perceiving a vast spectrum of light, detecting ...

Prologue : Molecular genesis -- The age of first cellular life -- The age of complex cellular life -- Eukaryotes organize and metazoans arise -- Early animals prepare the ground -- Vision's big bang ...

Q: What fascinates you about the eye? A: The eye is an absolutely fascinating organ because it's an organ of extreme perfection, as Darwin has called it. We are able to adjust the focus, we are able ...

Long before complex vision systems evolved in animals, there was a simple, one-eyed creature whose unique adaptation would shape the eyes of all vertebrates, including humans. This ancestor, which ...