Led table lamp, point light source or light source is good?
LED is not only harmful to blue light, but it also can cause eyestrainThis is the last thing I likeNow use the direct current desk lamp. That's fineBasically, I don't feel tired
Bedroom use or recommend incandescent lamp, color is moderate, adjust mood to help sleep. Well, recommend the use of a surface light source, light area is large, contribute to the prevention of myopia and reading.
The lamp to see the bedroom or study and then select the lamp types, study led good, light monochromatic cold light source, can help clear your mind in learning to read;
