Actinic conjunctivitis
Encyclopedia
Actinic conjunctivitis is an inflammation of the eye
Conjunctivitis
Conjunctivitis refers to inflammation of the conjunctiva...

 contracted from prolonged exposure to actinic (ultraviolet
Ultraviolet
Ultraviolet light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV...

) rays. Symptoms are redness and swelling of the eyes. Most often the condition is caused by prolonged exposure to Klieg light
Klieg light
A Klieg light is an intense carbon arc lamp especially used in filmmaking. It is named after inventor John H. Kliegl and his brother Anton Tiberius Kliegl. Modern Klieg lights use a tungsten-halogen filament...

s, therapeutic lamps, or acetylene torches. Other names for the condition include Klieg conjunctivitis, eyeburn, arc-flash, welder's conjunctivitis, flash keratoconjunctivitis, actinic ray ophthalmia, x-ray ophthalmia, and ultraviolet ray ophthalmia.
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