A bright spot on your iPhone or iPad screen can be more than a minor annoyance. Here's what it means and why you may need ...

One of the primary causes of sudden brightness changes is the TV's ambient light sensor. This sensor adjusts the screen brightness based on the lighting conditions in the room. To disable or adjust ...

The 20-20-20 rule is simple but effective: every 20 minutes, take a break from your screen and look at something 20 feet away ...