title: Photosensitivity. Classification.
abstract: Light is a heterogeneous moiety that is vital for the perception and maintenance of all life on earth. Specific advantages as well as adverse effects are associated with particular wavelengths of light. An etiologic classification of the adverse responses or "photosensitivity disease" is presented as an introduction to this issue.
mesh_terms: D006801:Humans; D007259:Infrared Rays; D010778:Photochemotherapy; D010787:Photosensitivity Disorders / Q000145:classification* / Q000209:etiology / Q000628:therapy; D013472:Sunlight / Q000009:adverse effects; D014466:Ultraviolet Rays / Q000009:adverse effects