Light treatment is a form of therapy that utilizes different wavelengths of light to target various conditions. It is also known as phototherapy or light therapy and is commonly used to treat depression, sleep disorders, and skin conditions such as psoriasis and eczema. Other synonyms for light treatment include heliotherapy, photobiomodulation, and photochemotherapy. Heliotherapy involves the use of sunlight, while photobiomodulation uses low-level light therapy to treat pain and inflammation. Photochemotherapy involves combining light treatment with medication to treat skin conditions. Regardless of the synonym used, light treatment has shown promising results in improving overall health and wellness.