These symptoms may not be felt until several hours after exposure. However, exposure to just a few seconds of intense UV light can cause arc eye. To improve the technological properties of the arc, periodic changes in its instantaneous power are used pulsed arc welding). The amount of time required to cause these effects depends on several factors such as the intensity of the radiation, the distance from the welding arc, the angle at which the radiation enters the eye, and type of eye protection that the welder or bystander is using. In this case the technological properties of the arc deteriorate, welding in the ceiling position is difficult, and losses of the electrode metal for slagging and spattering increase up to 15. inability to look at light sources (photophobia).tearing and reddening of the eye and membranes around the eye (bloodshot).pain - ranging from a mild feeling of pressure in the eyes to intense pain in severe instances.Certain types of UV radiation can produce an injury to the surface and mucous membrane (conjunctiva) of the eye called "arc eye," "welders' eye" or "arc flash." These names are common names for "conjunctivitis" - an inflammation of the mucous membrane of the front of the eye.
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