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:
“It was a remarkable kind of light to steer for,—daylight seen through a vista in the forest,—but visible as far as an ordinary beacon at night.”
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—Agnes E. Meyer (1887–1970)