In ophthalmology, high-energy visible light (HEV light) is high-frequency light in the violet/blue band from 380 to 500 nm in the visible spectrum. HEV light has been implicated as a cause of age-related macular degeneration.
Some sunglasses are now designed specifically to block HEV.
Read more about High-energy Visible Light: Blue-light Hazard
Famous quotes containing the words visible and/or light:
“The visible heavens and earth sympathize with Jesus.”
—Ralph Waldo Emerson (1803–1882)
“Smokers, male and female, inject and excuse idleness in their lives every time they light a cigarette.”
—Colette [Sidonie Gabrielle Colette] (1873–1954)