There are two main types of eye doctors: ophthalmologists and optometrists. Confused about which is which and who does what? Here's a look at how they're different. Ophthalmologists and ...

If you have the rarest hair color and eye color combination, you're one in a million—or more! Do you have dark brown hair and brown eyes? Then you have something in common with most people ...

When evolution skeptics want to attack Darwin's theory, they often point to the human eye. How could something so complex, they argue, have developed through random mutations and natural selection ...