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  1. www.webmd.com › skin-problems-and-treatments › uv-index-overviewThe UV Index Explained - WebMD

    2024年2月12日 · UV index is a color-coded scale that gives you an idea of your UV ray exposure. It works like this: Low exposure (green): 1-2. Moderate exposure (yellow): 3-5. High exposure (orange): 6-7. Very...

    • Evan Starkman
  2. 2023年7月24日 · 4 min read. ‌UVA and UVB Rays are different types of a form of energy called ultraviolet (UV) radiation commonly seen as sunlight. Both UVA and UVB rays can cause harm to the skin. But...

  3. 2022年6月14日 · The right pair of shades will help protect your eyes from the sun's ultraviolet (UV) rays. Too much UV exposure boosts your chances of cataracts and macular degeneration.

  4. 2021年5月27日 · 4 min read. Polarized lenses, like UV sunglasses, protect your eyes from sun damage. While they do offer UV (ultraviolet) protection from the sun's rays, they also have other added benefits....

    • Treatment
    • Overview
    • Results

    If the medicine you put on your skin isn't doing all that it needs to, your doctor may suggest adding phototherapy to your psoriasis treatment. It uses ultraviolet rays that come from sunshine, artificial lamps, or lasers to slow skin cell growth and ease your symptoms. Sunlight. Too many rays coming directly from the sun can make your symptoms wor...

    UVB (ultraviolet B). Your doctor can treat you with UVB rays from a phototherapy machine in his office. You can also get one to use at home. But the lamps can give off ultraviolet A (UVA) rays. These are the ultraviolet rays linked to skin cancer. Talk to your doctor about how to protect yourself from the cancer risk while being treated.

    PUVA clears up psoriasis quickly with long-lasting results. But using it for a long time can raise your chances of skin cancer. Because of that, its typically only recommended for severe cases or when other treatments haven't worked.

  5. 2022年11月2日 · A corneal flash burn can be caused by exposure to ultraviolet radiation from the sun, a welder's arc - even a halogen desk lamp. WebMD tells you how to protect your eyes from injury.

  6. 2023年7月10日 · Snow blindness, or photokeratitis, is temporary eye pain and discomfort after exposure to too much ultraviolet (UV) light. It’s like a sunburn on your eyes. It’s usually not serious and will ...

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