Which lens type is most effective at blocking blue light?

Blue-light-blocking glasses were created to combat our society's always-on culture and prevent it from interfering with our natural sleep-wake cycles. https://www.clarte.co.za/blogs/news/which-lens-type-is-most-effective-at-blocking-blue-light However, as a relatively new technology the FDA does not yet regulate, you'll need to sift through some marketing claims to locate the most effective pair for you. The percentage of blue-light-blocking lenses in each lens varies. Consider the following:  Transparent lenses  Between 30% and 40% of the blue light, spectrum is blocked by clear lenses. Perhaps they can be beneficial in easing your eyes slightly throughout the day.  

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