ultraviolettherapy-floridainternationaluniversity：紫外線療法-佛羅里達(dá)國(guó)際大學(xué)(編輯修改稿)
2025-02-08 08:38 本頁面
【文章內(nèi)容簡(jiǎn)介】 s in 5%) ? Malignant melanoma (usually metastasizes) ? Damage to DNA suspected as cause ? Rate of cure exceeds 95% with early detection Effects on Eyes ? UVR exposure causes acute inflammation called photokeratitis ? Delayed reaction, occurs within 6 24 hours ? Signs/Symptoms: ? Conjunctivitis acpanied by erythema of adjacent facial skin ? Sensation of a foreign body on eye ? Photophobia ? Increased tear production ? Spasm of the ocular muscles Systemic Effects ? Photosynthesis of vitamin D ? Following exposure to UVR in UVB range ? May be used to treat Ca++ and phosphorus disorders ? Rickets and tetany ? Treatment of choice。 however, is dietary supplementation Ultraviolet Generators ? Carbon arc lamp ? Xenon pact arc lamp ? Fluorescent ultraviolet lamp (black light) ? Mercury arc lamp ? Most monly used in sports medicine Mercury Arc Lamp ? Mercury contained in a quartz envelope ? Heavy metal in a liquid state ? At 8000176。 C, mercury atoms vaporize and bee incandescent ? Emit ultraviolet, infrared, and visible light Mercury Arc Lamp ? Highpressure lamp = “Hot” lamp ? UVR produced falls within UVB range ? Mainly used t
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1