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Heliophobia refers to light sensitivity: * In psychology, heliophobia is the morbid fear of sunlight * In medicine it can refer to: * * Hemeralopia, day blindness, inability to see clearly in bright light * * Photophobia, an excessive sensitivity of the eyes to sunlight. Notable causes include: * * * Keratoconus, results in extreme optic sensitivity to sunlight and bright lights * In biology, heliophobic plants or animals are have an aversion to sunlight. Heliophobous plants are commonly known as "shade-tolerant". ==See also== * Helium, a chemical element; other elements can be heliophilic, attracted to helium, or heliophobic, repelled by helium * Phototropism, growth towards or away from light, particularly in plants and fungi * Phytophotodermatitis, a chemical reaction which makes skin hypersensitive to ultraviolet light * Porphyria cutanea tarda, a disease that causes the skin to be overly sensitive to sunlight to the point of causing blisters 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Heliophobia (disambiguation)」の詳細全文を読む スポンサード リンク
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