As spring arrives and the weather warms, exposure to sunlight ... "The amount of light inside a building [is] usually no more than 100 lux," he said. "When you go outside on a bright, sunny ...

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

There was an opportunity Thursday night to catch the March 2025 "Blood Moon," a phenomenon that colors the full moon in ...

We can't talk about morning sunlight and improved sleep hygiene without first addressing our circadian rhythm. This is the body's 24-hour sleep-wake cycle. It naturally responds to light and ...

In addition to sunlight, a 2020 study found that other ... a lamp for 30 minutes during morning hours, the time when bright light is believed to have the best effect on depression.

During the total lunar eclipse early Friday morning, the moon will still be visible in the night sky, but its color will change. Here's when and how to see the Blood Moon.

With the vision of "Making the world clean, healthy, and beautiful through light," Seoul ... replicates natural sunlight spectrum, the high-voltage LED Acrich, the ultra-bright nPola LED (10 ...