Similar term(s): Photokeratitis, Ultraviolet keratitis, Radiation keratitis, Niphablepsia.
A temporary blindness or painful eye condition caused by exposure of
unprotected eyes to ultraviolet radiation from sunlight or artificial sources
such as sun-tanning beds, a welder's arc, and halogen desk lamps. Symptoms
include tearing, pain, redness, swollen eyelids, headache, and are due to a burn
of the surface of the eye (cornea). Vision usually returns in less than a day.
Prevention involves sunglasses with adequate UVB protection and full coverage of