Constellation starry sky photo _ starry sky photo posture

Have the following hazards, according to the douban network information query:

1, the starry sky projector itself will not hurt children's eyes, but if children watch the projection screen for a long time, their eyes will feel tired and uncomfortable, and may even lead to eye problems such as myopia.

2. Using starry lights while children are sleeping may affect their sleep. If lack of sleep will affect the growth and development of children, it will also lead to decreased immunity and easy to get sick.