Using electronic devices at night without adjusting the amount of blue light that shines from the screen can affect sleep. To configure Blue Light options, open Settings (Winkey + i). 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 … Turning the … Turning the feature on is a simple process. Blue light from computers will not lead to eye disease. In the Settings window, click System, Display. What is blue light? Click Night light settings. Blue light is part of the visible light spectrum -- … Called night light, this feature shifts the Windows 10 display to show warmer colors that reduce the amount of emitted blue light. 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 …