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Photokeratitis or ultraviolet keratitis is a painful eye condition caused by exposure of insufficiently protected eyes to the ultraviolet (UV) rays from either natural (e.g. intense direct or reflected sunlight) or artificial (e.g. the electric arc during welding) sources.
Mild burns will produce conjunctivitis while more severe burns may cause the cornea to turn white. [2] Litmus paper is an easy way to rule out the diagnosis by verifying that the pH is within the normal range of 7.0—7.2. [1] Large volumes of irrigation is the treatment of choice and should continue until the pH is 6–8. [2]
A person with photic retinopathy may notice an impairment in their vision, for example a spot that does not go away after a reasonable recovery time, or blurring. They may also have eye pain or headaches. Vision impairment is usually in both eyes, but can be in just one. Impairment of a person with 20/20 vision usually ends up being about 20/40 ...
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Get lifestyle news, with the latest style articles, fashion news, recipes, home features, videos and much more for your daily life from ... 3 Christmas cookie exchange gift ideas for nearly every ...
A welding helmet in use. A welding helmet is a piece of personal protective equipment used by welders to protect the user from concentrated light and flying particles. . Different welding processes need stronger lens shades with auto-darkening filters, while goggles suffice for
The 12-team playoff field is set. Who are the top contenders? And what to make of Bill Belichick and North Carolina? College Football Fix discusses.
Fast food gets a bad rap for being unhealthy, but there are healthy fast food options at chains like McDonald’s, Pizza Hut, and Sonic. Dietitians explain.