Colored Light as Therapy? YES!

A surprising therapy is showing promise for chronic pain, vision loss, and muscle recovery, among other conditions.   Early human trials suggest it may help us heal in new ways as well.  This growing field goes by several names. Light therapy. Phototherapy. Photobiomodulation.It leverages known effects of light on human health — such as skin exposure to ultraviolet light producing vitamin D or blue light's power to regulate human body clocks — to take light as medicine in surprising new directions.   
Some areas of research - 
Red Light Could Restore Vision; Green Light for Pain Relief; Helping Muscles Recover With Red Light.
Read more here - https://www.medscape.com/viewarticle/phototherapy-how-light-helping-patients-heal-new-ways-2024a1000epe?ecd=WNL_mdpls_240809_mscpedit_wir_etid6734576&uac=462671FR&spon=17&impID=6734576