2 Amaç: Güneşin, deri üzerindeki akut ve kronik etkilerini ve bunlardan korunma yöntemlerini öğretmek. Öğrenim hedefleri: Ders sonunda öğrenciler;1. Güneşin yararlı ve zararlı etkilerini tanımlayabileceklerdir.2. Ultraviyole başta olmak üzere güneş ışınlarının spektrumu hakkında bilgi sahibi olacaklardır.3. Deri yaşlanması konusunda fikir edineceklerdir.4. Deri kanserlerini birbirinden ayırmayı öğreneceklerdir.5. Güneşin olumsuz etkilerinden korunma yöntemlerini öğreneceklerdir.
13 False True A sun tan is healthy. There is no such thing as a ‘healthy’ tan. A tan is the body’s defense against further damage from UV radiation.There is no need to ‘cover up’ on a cloudy day.Up to 80% of solar UV radiation can penetrate light cloud cover.You can’t get sun burnt whilst in the water.Water offers only minimal protection from UV rays, and reflected UV radiation from the surface of the water can significantly increase your exposure.The sun doesn’t feel hot so I will not get sun burnt.UV radiation cannot be felt on the skin, the heat from the sun is produced by infrared rays, and therefore skin damage can occur without us being aware it is happening.Windburn can cause skin to burn.On a windy day you are probably feeling cooler and not so likely to consider protecting your skin from UV; what is often described as windburn is actually sunburn.You will not burn if sitting in the shade of a tree or beach umbrella.You may not be adequately protected; reflection and atmospheric scattering of UV mean if you can see a lot of open sky you still need to cover up.I don’t need to be concerned with UV protection on a winter holiday.Reflection from snow can double your overall UV exposure, especially at high altitude where the atmosphere is thinner and absorbs less UV radiation
55 Not: Yukarıdaki resimlerin bir kısmı internet ortamından alınmış olup sadece eğitim amacıyla kullanılmaktadır. Note: Some of the material above has been taken from the internet media and only used for educational purposes.
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