Polymorphous Light Eruption (17) is a chronic, idiopathic, acquired or hereditary disorder of skin, characterized by a delayed abnormal response to electromagnetic radiation usually sunlight with a varied morphology of papules, plaques and vesicles on the exposed areas of the skin.
DISCUSSION: Polymorphous light eruption is an idiopathic disorder characterized by a delayed, abnormal response to electromagnetic radiation, usually sunlight, with a varied morphology of papules, plaques and vesicles on exposed areas of the skin.
John LM et al, classified polymorphous light eruption into many clinical types.
The papular form of polymorphous light eruption was seen in 38 patients and was the most common variant.
Polymorphous light eruption wavelength dependency and energy studies.