Click Night light settings. To configure Blue Light options, open Settings (Winkey + i). Blue light from computers will not lead to eye disease. Turning the feature on is a simple process. In earlier builds of Windows, the option was named as “Lower blue light automatically.” In the Night light settings screen, you have the following settings: Turn On night light (blue light … In the Settings window, click System, Display. Using electronic devices at night without adjusting the amount of blue light that shines from the screen can affect sleep. What is blue light? Blue light is part of the visible light spectrum -- … Turning the … It is true that overexposure to blue light and UV light rays from the sun can raise the risk of eye disease, but the small amount of blue light coming … Called night light, this feature shifts the Windows 10 display to show warmer colors that reduce the amount of emitted blue light.