Does Yellow Lenses Block Blue Light
Moreover you can even use your mobile phones at night with these glasses because with them the screen light won t cause any harm or danger to your vision.
Does yellow lenses block blue light. Note that yellow lenses do not block 100 of blue light because not all blue light is bad. The very first blue blockers ever created for nasa s space program had orange lenses. Yellow amber brown and bronze lenses still block enough blue light without the dimming effect and can still produce some of the same benefits. 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.
You can even get blue light blocking lenses for your prescription glasses. These colors work to filter blue light and heighten contrast making them great for indoor and outdoor activities. 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. Therefore blocking blue light could create a form of physiologic darkness.
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. Again not all blue light needs to be blocked. When shopping for shades that also block blue light look for yellow orange dark amber copper or brown lens tints. Your body needs some blue light during the daytime in order to remain alert and active.
While copper lenses block blue light better than the other lens tints they may be too dark for many to wear inside. So do blue light blocking glasses really make a difference for all of us who stare at a screen 8 plus hours per day. 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. Orange lenses typically block 98 99 of blue light.
Edge and uvex make no claims that the clear filters block blue light. Mood is also affected by light and sleep. Therefore mood might be affected by blue light blockade.