Red light
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Red light therapy has been discussed on the , where it's mentioned for its multiple benefits including enhancing neuronal function when used early in the day, offsetting age-related macular degeneration, and being beneficial for shift workers during the night 1. discussed using red light early in the day to help with neuronal function and late in the day to help stay awake without inhibiting melatonin production or increasing cortisol at night, making it an optimal light source for those needing to work or be alert during the night 1.
Red light is also talked about in the context of eye health, where it can enhance mitochondrial function in the photoreceptors and potentially help maintain vision 2. In terms of skin biology, red light therapy is used for treating dermatologic issues like acne and scarring 3.
In regard to its safety, precautions should be taken not to use excessively bright red light, as it can damage the retinas 4. For specific directed use, certain lights have been cited as having a therapeutic effect on vision, where red lights of 670 nanometers wavelength and near-infrared lights of 790 nanometers have been found beneficial 4.
Red light can be used for various therapeutic purposes spanning from neurobiology, vision health, and skin treatments and should be utilized with advised safety guidelines.
