This therapy uses specific wavelengths of light to treat the skin to accomplish various outcomes. (wellnessmama.com)
Laser Therapy is the use of specific wavelengths of light (red and near - infrared) to stimulate the body's natural ability to heal. (k-laser.com)
They pick up fluorescent signals from particles inserted into cells and tissues that are illuminated with specific wavelengths of light. (sciencedaily.com)