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

Before the appearance of the mutation, the authors state, all humans shared brown eyes, which is the natural color of melanin ...

Keith Urban's friendship with Crystal Gayle's sister, Loretta Lynn, made his Opry 100 performance of "Don’t It Make My Brown ...

Researchers have found that the color of our eyes may hold significant insight into our behaviors, mental health, and ...

Blue eyes are caused by a gene mutation. For years, researchers had searched for it on the OCA2 gene. The OCA2 gene determines how much brown pigment is in our eyes. But what they were looking for ...

Urban, a Grand Ole Opry member since 2012, joined a star-studded lineup that included Carrie Underwood, Jelly Roll, The War & ...