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Chromatic Retinal Stimulation to Reduce Chronic Pain and Pain Sensitivity
Sponsor: University of North Carolina, Chapel Hill
Summary
Participants with chronic pain conditions including chronic low back pain and fibromyalgia may benefit from light stimuli presented to the retina to reduce chronic pain severity and pain sensitivity. Participants will be recruited into this study and will be presented with one of three uniform light stimuli via a wide-field ganzfeld in three conditions to determine the retinal mechanisms that reduce pain. This work will lead to a greater understanding of retinal mechanisms that contribute to pain and will assist the design of future studies to harness the potential of light based pain therapies.
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
20
Start Date
2023-08-25
Completion Date
2027-10-09
Last Updated
2026-11-02
Healthy Volunteers
No
Interventions
Green Light stimulation
A portable battery-operated ganzfeld light display will be used to deliver green light for 2 hours per day for 5 consecutive days.
Equal Energy White stimulation
A portable battery-operated ganzfeld light display will be used to deliver white light for 2 hours per day for 5 consecutive days.
S-cone modulating white light
A portable battery-operated ganzfeld light display will be used to deliver S-cone modulating light for 2 hours per day for 5 consecutive days.
Locations (1)
University Of North Carolina
Chapel Hill, North Carolina, United States