1. Brown eyes: Brown eyes are probably present in the greatest number of people, but beyond that it shows that they are really sexy people during a romantic relationship. As we mentioned ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye ...

This person lived more than 6,000 years ago ... The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for wasn't there at all. The mutation was found on ...