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

Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...

Nearly 80 percent of people worldwide have some shade of brown, ranging from light caramel to nearly black. Brown eyes are rich in melanin, which not only gives them their color but also provides ...

Here's what you need to know about whether dark mode is really better for your eyes. What is dark mode? Dark mode allows you to change the usually white or light-colored background on your devices ...