Low Level Light Therapy & Skin Pigmentation

Part of paid clinical trials in Houston, Texas.

Sponsor
University of Houston
Study ID
NCT07173530
Status
Recruiting
Apply to this trial

Conditions

  • Dry Eye
  • Meibomian Gland Dysfunction (Disorder)

Eligibility Criteria

Sex
ALL
Age
18 Years - N/A
Healthy Volunteers
Not accepted

Interventions

  • Three 15-minute low-level light therapy sessions using Light Emitting Diodes of wavelength 633nm (Essilor epi-c plus). — DEVICE
    A mask with Light Emitting Diodes wavelength 633nm will be placed over closed eyes for 15 minutes.

Study Details

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.

Key Dates

Start date
Jun 11, 2025
Status verified
Jul 2025
Primary completion
Aug 31, 2026
Completion
Aug 31, 2026

Study Design

Enrollment
40 participants (estimated)
Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT

Arms

  • Experimental: Fitzpatrick skin tone I-IV
    Individuals with skin tones I-IV on the Fitzpatrick scale will receive low-level light therapy
  • Experimental: Fitzpatrick skin tone V-VI
    Individuals with skin tones V-Vi on the Fitzpatrick scale will receive low-level light therapy

Primary Outcome Measure

Eyelid temperature [ Time Frame: Eyelid temperature will be measured before and after 15 minutes of low-level light therapy at the baseline visit. ]

Central Contacts

Locations (1)

FacilityCityStateZIPSite coordinators
The University of Houston College of OptometryHoustonTexas77204
Eric Ritchey, OD, PhD
[email protected]
7137431933
[email protected]
Eric Ritchey, OD, PhD (PRINCIPAL_INVESTIGATOR)
Rachel Redfern, OD, PhD (PRINCIPAL_INVESTIGATOR)

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By research site
The University of Houston College of Optometry· Houston, TX

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