2023 April.  MIP 470nm + 633 nm + 655nm +810nm (Multimodal Intranasal Photobiomodulation).
Systemic & Brain (note 655-laser means deeper penetration vs the 633-red light)

Vielight intranasal light therapy devices illuminate the nasal cavity, helping to stimulate the body to relieve a variety of issues.

Customers reported:  improvements from these conditions: SLEEP, headaches, migraines, facial pain, sinus congestion, blurred vision caused by poor circulation, relief from chronic fatigue and sleep disorders.  Improvements from high blood sugar, high blood pressure, impaired microcirculation, high LDL cholesterol, traumatic brain injury, mild cognitive impairment, chronic low immunity, depression, nasal polyps, some autoimmune illnesses.