The iPhone’s lock screen isn’t just the place you check the time or your notifications anymore — it’s a fully customizable ...

you can invert the colors on the phone - making it easier to read the screen if you have low vision or sensitivity to certain bright colors - dim the white point, or apply color filters and tint ...

So, what's all this screen time actually doing to your body ... the brightness of our screens that affects us. It's also the color. Screens emit a mix of red, green, and blue light — similar ...