There are many arguments about whether your phone's display light is harmful or not. While that's ongoing, you should consider your personal comfort and usage habits, as staring at your phone's screen ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? At the simplest level, different colors of light have different wavelengths.

We live in a screen-dominated era. From smartphones to computers and gaming consoles, digital devices are integral to modern life. This constant immersion, while convenient and connective, ...

Eye care professionals are raising eyebrows over the blue light glasses trend, dubbing it a clever marketing ploy. Experts ...

Using your phone before sleeping can strain your eyes and disturb sleep. An ophthalmologist explains how blue light, reduced ...

Blue light is part of the visible light spectrum. Exposure to blue light can affect sleep quality, alertness, hormone production, mood, and more. Blue light could also contribute to headaches, but ...

As SELF has previously reported, visible light occupies wavelengths between about 380 and 700 nanometers (nm)—blue light falls between 400 and 500 nm on that spectrum. Effective blue light eyeglasses ...