Actively Recruiting
Low Level Light Therapy & Skin Pigmentation
Led by University of Houston · Updated on 2025-09-15
40
Participants Needed
1
Research Sites
59 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
The goal of this clinical trial is to determine if there is a difference in eyelid temperature after low-level light therapy (LLLT) in individuals with different amounts of skin pigmentation and dry eye/meibomian gland disease. Participants will have 3 fifteen minute in office LLLT therapy sessions over a period of approximately 7 to 14 days.
CONDITIONS
Official Title
Low Level Light Therapy & Skin Pigmentation
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Ability to read and understand the study informed consent in English
- Age 18 years or older at enrollment
- Individuals with meibomian gland dysfunction based on clinical signs such as meibum quality score 1-3, meibography score 1-3, tear break up time of 10 seconds or less, or Ocular Surface Disease Index score greater than 12 points
You will not qualify if you...
- Active anterior segment eye infections or conditions like bacterial conjunctivitis or microbial keratitis
- History of systemic diseases causing dry eye, such as Sjogren's syndrome
- Corneal, refractive, or eyelid surgery within the past 6 months
- History of corneal ectasia disorders like keratoconus or Pellucid marginal degeneration
- Eye trauma within the past 6 months
- Use of LipiFlow, iLux, Meiboflow, IPL, or LLLT treatments within the last 12 months
- Regular use of photosensitizing medications in the last 30 days
- Pregnant or breastfeeding women
- Presence of pigmented lesions, tattoos, or skin cancer near the eyes
- Unwillingness to have eye photographs or videos taken
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 1 location
1
The University of Houston College of Optometry
Houston, Texas, United States, 77204
Actively Recruiting
Research Team
E
Eric Ritchey, OD, PhD
CONTACT
R
Rachel Redfern, OD, PhD
CONTACT
How is the study designed?
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
NON_RANDOMIZED
Model
SINGLE_GROUP
Primary Purpose
TREATMENT
Number of Arms
2
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