It is not recommended to use cold white light, but should be neutral soft light or cold white light from a yellow LED desk lamp. The color temperature is too high and the light is too strong. Reading in this light will feel dazzling and cause visual fatigue.
Specifically, in the yellow spot area of the human eye, the retina in the macular area is thin, the pigment epithelial cells are dense, and the choroidal capillaries behind the retina are dense, and the reflection is weak, so the color is dark red. For younger children, the color is reddish-brown, and the most acceptable to the eyes is yellow light rather than white light, which is why reading and writing under yellow light will feel soft and comfortable, while under white light it will feel dazzling or fatigue The root cause.
