Ultra violet radiation.
D005128:Eye Diseases / Q000209:etiology; D006801:Humans; D008722:Methods; D011829:Radiation Dosage; D011832:Radiation Injuries; D012871:Skin Diseases / Q000209:etiology; D012878:Skin Neoplasms / Q000209:etiology; D013997:Time Factors; D014466:Ultraviolet Rays / Q000009:adverse effects*