Photodermatosis
Encyclopedia
Photodermatosis is a skin disease that is caused by exposure to sunlight
Sunlight
Sunlight, in the broad sense, is the total frequency spectrum of electromagnetic radiation given off by the Sun. On Earth, sunlight is filtered through the Earth's atmosphere, and solar radiation is obvious as daylight when the Sun is above the horizon.When the direct solar radiation is not blocked...

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People with photodermatosis may develop skin rashes following exposure to the sun. Polymorphous Light Eruption
Polymorphous Light Eruption
Polymorphous light eruption , or polymorphic light eruption , is a skin condition caused by sunlight.- Types :Two subtypes have been described:*Juvenile spring eruption*Benign summer light eruption-Presentation:...

is the most common type of photodermatosis. It is most likely due to an abnormal immune system reaction to the sun. Polymorphous light eruption occurs in approximately 10 to 20 percent of otherwise healthy individuals, so it is a relatively common condition.
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