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 newest is but the oldest made visible to our senses.”
—Henry David Thoreau (1817–1862)
“The light that never was, on sea or land,
The consecration, and the Poet’s dream;”
—William Wordsworth (1770–1850)