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UVB light is widely respected as a low-risk method of phototherapy, used to treat eczema after conventional medications have been exhausted to no great effect. Where eczema treatments have failed to yield any substantial improvement, UVB light treatment can be used in doses of around three to five sessions a week. As treatment progresses, so to the exposure to UVB light is increased, with noticeable results expected to transpire after around three months.One of the risks associated with exposure to UVB light is the potential for sunburn. Whilst treatment is taking place, it is important to protect the eyes with protective goggles, which will prevent the development of cataracts. The doctor performing the treatment will take his own protective measures to avoid damage to your eyes or vision. With extensive use of this treatment also comes the danger of premature aging of the skin.Sunlight is composed partially of ultraviolet light. UV light works by attacking 'T' cells in the skin, which reduces the red appearance of eczema, and also impacts upon the scaling which is also synonymous with the condition. This is one of the reasons why patients suffering from psoriasis can actually benefit from frequent short spells of sun exposure. Over exposure to sunlight is not advisable, given the potential for more serious damage to the skin, such as skin cancer. However, the controlled condition of phototherapy treatment makes this exposure significantly more stable, and much less risky.Sunlight is comprised of two primary types of UV light, namely UVA and UVB. Both UVA and UVB are used in the treatment of this condition. The treatment involves the patient residing within a 'light-box' which emits the desired light at the pre-determined level, for the duration of the session. Largely, this treatment is administered by the doctor at his surgery, although it is not unknown for a 'light-box' to be purchased on prescription for home use. If you do purchase a light-box on prescription, it is imperative that you follow the instructions to the letter to avoid permanent skin damage.The Phototherapy treatment in general involves light exposure to treat certain medical complaints. UV light treatment lessens the symptoms of eczema in a number of patients, and is sometimes used in conjunction with medication in order to clear the symptoms most effectively. The main drug used for this type of complimentary treatment is Psoralen, which can be taken orally or applied topically to the affected areas. Psoralen has its own side effects, although they are mostly short-lived, including nausea and topical itching. These symptoms can be largely dampened by consuming Psoralen with food, although the drug is sometimes applied as an ointment or gel.Although UV light occurs naturally, increased exposure can result in sunburn, which can augment the symptoms. It is recommended that patients are subjected to minimal exposure outside of the controlled phototherapy environment for the duration of their treatment. Research into the possible correlation between skin cancer and phototherapy treatment have proved fruitless to date, thus cementing UV light as a treatment for eczema as safe, as well as effective.
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