The application of specific wavelengths of light to biological tissues to elicit therapeutic effects, often by influencing cellular processes and metabolic activity.
Context
Operates at the cellular and tissue level, interacting with chromophores within cells to modulate biochemical reactions and physiological responses.
Significance
Holds potential for wound healing, pain management, skin rejuvenation, and influencing circadian rhythms, offering non-invasive therapeutic modalities.
Mechanism
Involves the absorption of photons by cellular components, leading to photochemical reactions that can stimulate ATP production, reduce inflammation, promote cell proliferation, or modulate gene expression.
Application
Utilized in clinical settings for photodynamic therapy, light therapy for seasonal affective disorder, low-level laser therapy for pain and tissue repair, and in dermatology.
Metric
Measured by parameters such as light wavelength, intensity, duration of exposure, and observed physiological or clinical outcomes.
Risk
Potential risks include ocular damage from intense light sources, thermal injury, and the possibility of exacerbating certain photosensitive conditions if not applied under appropriate medical supervision.
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