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 cause is hidden; the effect is visible to all.”
—Ovid (Publius Ovidius Naso)
“Poor Casey Jones he was all right,
He stuck by his duty both day an’ night,”
—Unknown. Casey Jones. . .
Oxford Book of Light Verse, The. W. H. Auden, ed. (1938)