THE LIGHT DOCTOR 9: Lights as Medical Devices

Chapter 9 tells consumers to be aware of claims made about circadian lighting, and how to look for lights that truly have circadian benefits

A case could be made that circadian lighting should be a medical device. Light fixtures and bulbs that provide ample circadian blue light during the day and keep circadian blue levels low at night certainly have profound positive effects on human health and well-being. But circadian lighting has never been classified as a medical device, and so we are f…