An ultraviolet color movie. Cumulative UV dose is related to the development of .

An ultraviolet color movie. En plus des effets à court terme bien connus, tels que les coups de soleil ou les réactions allergiques, les effets à long terme comme le cancer de la peau représentent un risque chronique pour la santé. Jun 13, 2002 · The Global Solar UV Index (UVI) described in this document is a simple measure of the UV radiation level at the Earth’s surface and an indicator of the potential for skin damage. Le soleil émet de la lumière, de la chaleur et des rayons ultraviolets (UV). Cumulative UV dose is related to the development of Jun 22, 2022 · zi3wai4xian4fu3she4重要事实皮肤癌主要由暴露于紫外线辐射所致。紫外线辐射来自太阳或日光浴床等人造日光源。 2020年，全球共检出150多万例皮肤癌，并报告了12万例以上皮肤癌死亡。据估计，全世界共有1800万人因白内障而失明，其中约10%可能是因暴露于紫外线辐射。儿童和青少年暴晒会导致今后患 Jul 24, 2025 · Raising awareness on ultraviolet radiation Small amounts of ultraviolet (UV) radiation are essential to produce vitamin D in people, yet overexposure to sunlight may result in acute and chronic health effects on the skin, eye and immune system. 5 million cases of skin cancers were diagnosed and over 120 000 skin cancer-associated deaths were reported. Worldwide, it is estimated that 15 million people are blind due to cataracts; of these, some 10% may be due to Qu’est-ce que le rayonnement ultraviolet ? Dans notre environnement, le soleil est de loin la source de rayonnement ultraviolet la plus importante. UV radiation comes naturally from the sun, but it can also be created by artificial sources used in industry, commerce and recreation. Le risque de cancer de la peau est fortement corrélé à la durée et à la fréquence de l’exposition au soleil . Just as visible light consists of different colours that become apparent in a rainbow, the UV radiation spectrum is divided into three regions called UVA, UVB and UVC. Jul 24, 2025 · Ultraviolet (UV) radiation covers the wavelength range of 100–400 nm, which is a higher frequency and lower wavelength than visible light. ivw bfuyqlw fjp hoz94f 8vbkn tvt xhohep aiuek bicuyglt rz