Dou Linping also said that there is still no clinical trial, experts and scholars have been studying, it is not conclusive. However, if the "photobiosafety" test fails to meet the standards of the lamps may shine on people, but also may harm people's eyes. Especially for LED lamps that use blue light or ULTRAVIOLET light, it is more likely to leak blue light or ULTRAVIOLET light to cause harm to human body. However, LED products for ordinary lighting are usually not strong enough to damage the retina of the human eye due to lighting standards that control factors such as brightness and direct glare.