The US Food and Drug Administration (FDA) has approved Light Therapy for the non-invasive treatment of periorbital (eye area) wrinkles, temporary relief/reduction of minor pain or discomfort associated with muscles including neck and back pain caused by muscle tension, joints, arthritis, sprains and strains. The FDA has also approved Light Therapy for relaxation of muscles and relief of muscle spasms, and to temporarily increase local blood circulation.

Ongoing research indicates that many acute and chronic conditions may be improved or eliminated through phototherapy, including: