If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking ...

Medically reviewed by Christine L. Larsen, MD Photophobia is an abnormal sensitivity to light. It is associated with dry eye disease, migraines (severe, recurrent headaches), and traumatic brain ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...

Nocturnal animals tend to have proportionally bigger eyes than humans do. They also tend to have pupils that open more widely in low light. So, at the outset, nocturnal eyes gather more light than ...