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

Blue eyes (and other lighter colors that indicate ... Less pigmentation means less defense against bright light. That said, it’s a good idea for all of us, regardless of skin, hair or eye ...

Study participants wore trackers on their wrists to measure their activity levels and sleep patterns. We found that people exposed to more hours of blue light in the morning had better sleep and more ...