Launch the Settings application, go to Accessibility > Zoom, and make sure that the Low Light option is chosen under Zoom ...

The bight blue light emitted by the screen can make it more difficult to fall asleep and mess with your sleep cycle, which could lead to a whole host of health problems. But we're realistic.

One trick you can try is to set up a shortcut to dim the screen on your iOS device with three taps of the Home button. First, you need to set up what the shortcut does.

Microsoft is currently testing a night mode feature for Xbox, which will dim your screen, disable HDR and let you filter out blue light. It's a similar idea to the kind of eye-strain solving ...