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Debunking rumors! Can LED lights without a diffuser cover cause blindness within a few dozen seconds?

A recent piece of news "CCTV revealed that LED lights without a diffusion cover can cause blindness for tens of seconds" has attracted people's attention. It is reported that the news is based on the "Truth Report: Can LEDs hurt the eyes" broadcast by the CCTV program "First Time"? "program, but it is suspected of being taken out of context.

From the article "Detection and Analysis of Blue Light Hazards of LED Lighting Products and Analysis and Suggestions of Enriching Blue Light" by Yu Anqi, an expert interviewed in this program and deputy director of the National Electric Light Source Quality Supervision and Inspection Center (Shanghai), we can learn in detail that the lighting effects of blue light hazards and "enrichment of blue" are not unique to LED lighting products. Certain metal halide lamps and certain fluorescent lamps have long existed.
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