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:
“This visible world is wonderfully to be delighted in, and highly to be esteemed, because it is the theatre of God’s righteous Kingdom.”
—Thomas Traherne (1636–1674)
“The light by which we see in this world comes out from the soul of the observer. Wherever any noble sentiment dwelt, it made the faces and houses around to shine. Nay, the powers of this busy brain are miraculous and illimitable.”
—Ralph Waldo Emerson (1803–1882)