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  2. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    An open (single envelope) CFL [12] An encapsulated/closed (double envelope) CFL. Some fluorescent lamps emit ultraviolet radiation. [citation needed] The Health Protection Agency of the United Kingdom has conducted research concluding that exposure to open (single envelope) compact fluorescent lamps (CFLs) for over 1 hour per day at a distance of less than 30 cm can exceed guideline levels as ...

  3. Photosensitivity in humans - Wikipedia

    en.wikipedia.org/wiki/Photosensitivity_in_humans

    Rapid flickers in intensity of light may trigger or aggravate photosensitive epilepsy, epileptic seizure, or migraine headaches. [4] Conditions that may include sensitivity to light include vertigo and chronic fatigue syndrome. Controlled application of artificial light can be used in a program of light therapy to treat some disorders.

  4. Photothermal therapy - Wikipedia

    en.wikipedia.org/wiki/Photothermal_Therapy

    Photothermal therapy (PTT) refers to efforts to use electromagnetic radiation (most often in infrared wavelengths) for the treatment of various medical conditions, including cancer. This neurotherapy is an extension of photodynamic therapy , in which a photosensitizer is excited with specific band light.

  5. Electromagnetic radiation and health - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation...

    ISO 7010 W005 Warning sign: Non-ionizing radiation. Fluorescent light bulbs and tubes internally produce ultraviolet light. Normally this is converted to visible light by the phosphor film inside a protective coating. When the film is cracked by mishandling or faulty manufacturing then UV may escape at levels that could cause sunburn or even ...

  6. Light-emitting diode therapy - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode_therapy

    Compared to laser phototherapy, Light Emitting Diode Therapy (LEDT) is recognized for its enhanced safety profile, exhibiting fewer short-term and long-term side effects. This distinction stems from LEDT's use of non-coherent light at lower intensities, which minimizes the risks of tissue damage and discomfort often associated with the high ...

  7. Photodynamic therapy - Wikipedia

    en.wikipedia.org/wiki/Photodynamic_therapy

    Porfimer sodium is a drug used to treat some types of cancer. When absorbed by cancer cells and exposed to light, porfimer sodium becomes active and kills the cancer cells. It is a type of photodynamic therapy (PDT) agent and also called Photofrin. [14]

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