Does Yellow Lenses Block Blue Light. Because the timing and quantity of light and darkness both affect sleep evening use of amber lenses to block blue light might affect sleep quality. Therefore blocking blue light could create a form of physiologic darkness. These colors work to filter blue light and heighten contrast making them great for indoor and outdoor activities.
Note that yellow lenses do not block 100 of blue light because not all blue light is bad. Harmful blue light is only a 40nm part of the spectrum.
Orange lenses typically block 98 99 of blue light.
Calls to optometry offices showed that adding blue light blocking to prescription glasses cost 40 60 at lenscrafters and 47 125 at pearle vision with nonprescription blue light glasses. Lenses with clear slight yellow tint or yellow lenses are best for daytime use as they specifically target the 450nm and below spectrum of blue leaving the other beneficial wavelengths alone. Yellow amber brown and bronze lenses still block enough blue light without the dimming effect and can still produce some of the same benefits. Yes yellow and brown both tinted glasses work great for blocking the blue light and this is the best solution for someone who is a computer geek.
