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

Blue-eyed people have a higher risk of melanoma Having fair skin and light hair increases your risk for melanoma, but so does ...

With all this screen time potentially affecting our eyes and sleep, more and more people are turning to blue-light glasses as ...

Blue light is found in nearly every light source ... explaining that the eye strain most people experience isn’t necessarily digital. It can occur “whenever you focus on anything — from ...

All blue-eyed people can trace their ancestry back to a ... Green eyes get their color from a unique mix of light melanin and Rayleigh scattering, the same effect that makes the sky look blue.

New research shows that all blue-eyed people share a common ancestor. This person lived more than 6,000 years ago and carried a genetic mutation that has now spread across the world. The exact ...