The red light masks always scared me 🫣 LED = synthetic blue light spectrum 🧊 Incandescent = natural color spectrum 🌞 •The first LED was introduced in 60s as low intensity red light. It wasn’t until the 90s that white LED bulbs became available for general lighting. The LED trend didn’t take off until the 2000s. •A study published in the 2010 journal of Environmental Science & Technology found that LEDs contain lead, arsenic and a dozen other potentially dangerous substances. •We know how blue

Do glasses that block blue light help your eyes? Dr. Muriel Schornack, a Mayo Clinic optometrist, says the macula is the area of the retina in your eye that is responsible for processing your clear central vision. The macula can be sensitive to blue light, which is a part of the visible light spectrum and is emitted from electronic devices such as cellphones, computer monitors and TVs. But most blue light that people are exposed to comes from the sun. "There is a theory that if you are exposed t