Green Lighting
fecha:2011-05-16 13:38
estado:para resolver
pregunta:admin
e strobe light will make the regulation of the human eye organ, such as the ciliary muscle, iris sphincter and other regulation in the state of tension, leading to visual fatigue, thus speeding up the juvenile myopia. If the frequency of light when the power increased to several hundred Hz or more, or a DC power supply, the human eye that does not have strobe feel, will not cause vision damage, such as no frequency flash of light. Must also have the light of the above four requirements to be con
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