Several genetic markers contribute to our final eye color shade. A baby born with blue eyes can have brown eyes by their 1st birthday.

Sunlight's impact on the brain extends beyond just vision health. Exposure to natural light has a profound effect on cognitive function and mental well-being. When our eyes are exposed to sunlight ...

New soft contact lenses use upconversion nanoparticles to convert infrared light into visible light. Unlike night-vision ...

UV rays harm your eyes more than you think. Here's how to keep your eyes safe when you're having fun in the sun. Jessica was a ... out 76 to 90% of visible light (the light that actually reaches ...

Such archaeological evidence contradicts the idea that the need for sunlight to ... "It's like turning a light switch on or off. If you turn the switch on the eyes will be brown.

The next time you get ready to head to the beach or ski slopes, take a moment to remember that eyes can get sunburned the same way skin can. When your eyes get too much exposure to UV light ...

Natural blue light helps regulate your circadian rhythm, or wake-and-sleep cycle. Sunlight is also instrumental in children's eye development. There's some evidence that the lack of natural blue ...

Exposure to sunlight, Brown says, can send signals ... won't slip of your head at night, or let light creep in around the sides. Slap that across your eyes and you should be able to wake up ...

The temptation to look at the solar eclipse without proper eye protection was strong ... to the intense ultraviolet light. "It can burn the retina just like the sun does. And it happens in a ...