cell phone habits that are good for protecting your eyes

pu1. Due to the nature of LCD monitors, cell phones generate blue lights. So using the blue light blocking filter app is good for your eyesight. Of course, it's best not to use a cell phone

2017-12-24

OK

pu2. The best way is not to use a cell phone. In the case of cell phones, since they receive electromagnetic waves from a short distance, they affect a lot and cause a lot of fatigue in the eyes because of the small handwriting

2017-12-24

OK

pu3. It's good to make your cell phone bright as close as possible to the surrounding brightness. I usually use it at maximum brightness, but if I use it like this, my eyes get tired because of the strong light. And if you use it outdoors, it can make your eyes more tired by reflecting sunlight, so you need to use it properly

2017-12-24

OK