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  2. Fluorescent lamps and health - Wikipedia

    en.wikipedia.org/wiki/Fluorescent_lamps_and_health

    One paper suggested that in rare cases, fluorescent lighting can also induce depersonalization and derealization; subsequently, it can worsen depersonalization disorder symptoms. [27] The charity Migraine Action Association reported concerns from members that CFL bulbs can cause migraines, [28] and there are many anecdotal reports of such ...

  3. Blue light spectrum - Wikipedia

    en.wikipedia.org/wiki/Blue_light_spectrum

    Systematic reviews have highlighted the association between blue light exposure and digital eye strain. [11] [23] Digital screens emit significant amounts of blue light with shorter wavelength and higher energy compared to other visible light, which can cause symptoms such as eye fatigue, eye dryness, blurred vision, irritation, and headaches.

  4. Blurred vision - Wikipedia

    en.wikipedia.org/wiki/Blurred_vision

    Blurred vision is an ocular symptom where vision becomes less precise and there is added difficulty to resolve fine details. Temporary blurred vision may involve dry eyes, eye infections, alcohol poisoning , hypoglycemia , or low blood pressure .

  5. Why astigmatism causes blurry vision, especially at night - AOL

    www.aol.com/news/why-astigmatism-causes-blurry...

    Astigmatism, a disorder that affects how the eyes focus light, can be exacerbated at night. Blurry vision and headaches are symptoms of astigmatism. Why astigmatism causes blurry vision ...

  6. Photosensitivity in humans - Wikipedia

    en.wikipedia.org/wiki/Photosensitivity_in_humans

    Phytophotodermatitis may be aggravated by the additional levels of ultraviolet light emitted by compact fluorescent light. Patients undergoing photodynamic therapy are at additional risk of adverse photosensitive reactions caused by compact fluorescent light. One cause of cataracts is exposure to ultraviolet light. Provided the level of UV ...

  7. Flicker vertigo - Wikipedia

    en.wikipedia.org/wiki/Flicker_vertigo

    Flicker vertigo, sometimes called the Bucha effect, is "an imbalance in brain-cell activity caused by exposure to low-frequency flickering (or flashing) of a relatively bright light." [ 1 ] It is a disorientation -, vertigo -, and nausea -inducing effect of a strobe light flashing at 1 Hz to 20 Hz, approximately the frequency of human brainwaves .

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