''Blue light ''affect on our sleep and eyes health. it is affected from our eyes directly to our brains. General electronic sceen often with blue light, For example, Smartphone, Computer, TV,it has light-emitting diodes that give off blue light.Blue light repress melatonin.that the brain into thinking that it is daylight.Blue light effects can be reduced for devices have at night by the following solution.First, turning the brightness down in bed can decrease the amount of blue light hitting your eye.Second, you should stop two hours before going to bed.Finally, avoid blue light by use a paper book.
To sum up,eyes health makes worse because using too much technology. Therefore, you should following the way described above.