期刊
JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY
卷 84, 期 5, 页码 1219-1231出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.jaad.2021.02.048
关键词
chromophores; lasers; optical radiation; photobiomodulation; photodermatitis; phototherapy; porphyria; visible light
类别
Visible light plays a significant role in skin health by activating and imparting energy to skin chromophores. Laser and light devices are utilized clinically for treating skin conditions with specific wavelengths and parameters.
Approximately 50% of the sunlight reaching the Earth's surface is visible light (400-700 nm). Other sources of visible light include lasers, light-emitting diodes, and flash lamps. Photons from visible light are absorbed by photoreceptive chromophores (e.g., melanin, heme, and opsins), altering skin function by activating and imparting energy to chromophores. Additionally, visible light can penetrate the full thickness of the skin and induce pigmentation and erythema. Clinically, lasers and light devices are used to treat skin conditions by utilizing specific wavelengths and treatment parameters. Red and blue light from light-emitting diodes and intense pulsed light have been studied as antimicrobial and anti-inflammatory treatments for acne. Pulsed dye lasers are used to treat vascular lesions in adults and infants. Further research is necessary to determine the functional significance of visible light on skin health without confounding the influence of ultraviolet and infrared wavelengths.
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