your personality traits may vary depending on whether your eyes are dark gray or light gray. Light gray eyes have much less melanin than dark gray eyes. Those with light gray eyes tend to keep a ...

Eyes, those fascinating windows to our souls, are also incredibly varied. From a vibrant blue to a warm brown, each shade seems to have its own story to tell. Of all the colors that exist, one shade ...

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

Gray eyes are a less common eye color ... Green eyes get their color from a unique mix of light melanin and Rayleigh scattering, the same effect that makes the sky look blue.