Does the incandescent lamp have a bad eye?
But also because of the low efficiency of incandescent, in order to save energy, people tend to have a small number of lights
The surface of the illumination will drop sharply, long-term use, but also damage the eyesight.
This makes the area of its effective lighting very small, away from the lights a little far away
Incandescent light itself, close to the sun, no fluorescent tube (fluorescent) strobe
