【Selection of anti-blue light lenses】The three most important data of anti-blue light glasses are anti-blue light rate, transmittance and color difference. All three are indispensable. Anti-blue light ratio generally needs to be above 40%, transmittance generally needs to be above 90%, color difference is the lower the better.

【Selection of anti-blue light lenses】If excessive pursuit of anti-blue light, at the expense of transmittance and chromatic aberration,the burden on the eyes is very large, counterproductive. Excellent anti-blue light glasses should keep the chromatic aberration to a minimum while ensuring the anti-blue light ratio.

【Market competitive analysis】We can see transparent and coated anti-blue clips, this lens has a blue light-proof rate of only 10% -20%, long-term wear is not obvious for eye protection, it is not recommended. Everyone has widely recognized that anti-blue lenses will be yellow or even orange for long-term wear, real anti-blue glasses. However, the orange lens has high anti-blue light blocking rate, high color difference, and distortion of viewing things.

【Market competitive analysis】It also causes the proportion of red light to rise and hurt the eyes. It is not recommended for people without serious eye diseases.The weight of anti-blue light clips in the market is around 9g. Since anti-blue light clips are basically worn for a long time, metal clips are not suitable for making anti-blue light clips.

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