I got that impression as well, which is why I use the program f.lux. On a podcast recently I heard a doctor discuss a company Felix Gray that targets a specifi

I got that impression as well, which is why I use the program f.lux. On a podcast recently I heard a doctor discuss a company Felix Gray that targets a specific range of wavelengths of blue light. See their page[1] for specifics. I ordered a pair because I needed to spend my vision insurance $ for last year. Lastly, since this post probably won't get much attention, I have a friend doing his PhD work on this area of research, so I'll ask him when I see him in 2 weeks and report back to you :) [1] https://shopfelixgray.com/lens-technology#eyeglasses https://shopfelixgray.com/lens-technology#eyeglasses