Evaluation of Eye Health Benefits of Black Tomato Extract
- Conditions
- High MyopiaEye
- Interventions
- Dietary Supplement: Placebo powderDietary Supplement: Black tomato extract powder
- Registration Number
- NCT06412393
- Lead Sponsor
- TCI Co., Ltd.
- Brief Summary
Verification of the efficacy of black tomato extract for eye health.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- RECRUITING
- Sex
- All
- Target Recruitment
- 50
- Age greater than 20 and capable of providing informed consent.
- Daily usage of 3C (computer, communication, and consumer electronics) for more than 6 hours (OSDI screening - those experiencing dryness and fatigue in the eyes).
- BMI between 22 and 35.
- High myopia population (-5.00 to -9.00D)
- History of any eye surgery (e.g., strabismus surgery, refractive surgery).
- Presence of systemic diseases affecting the anterior surface of the eye.
- Long-term use of medications affecting the anterior surface of the eye.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Placebo powder Placebo powder Dietary Supplement: Placebo powder Black tomato extract powder Black tomato extract powder Dietary Supplement: Black tomato extract powder
- Primary Outcome Measures
Name Time Method Grading of Retinal Vascular Diameter Change from Baseline at 8 weeks Measurement of Grading of Retinal Vascular Diameter using a fundus camera.
Positive Relative Accommodation (PRA) Change from Baseline at 8 weeks Measurement of Positive Relative Accommodation using a phoropter.
Accommodative Facility Change from Baseline at 8 weeks Measurement of Accommodative Facility using a Flipper lens ±2.00D.
Positive Fusional Vergence (PFV) Change from Baseline at 8 weeks Measurement of Positive Fusional Vergence using a phoropter.
Intraocular Pressure Measurement (IOP) Change from Baseline at 8 weeks Measurement of Intraocular Pressure using a non-contact tonometer. Unit: mmHg
Visual Contrast Sensitivity Function Change from Baseline at 8 weeks Perform the Visual Contrast Sensitivity Test (Distance and near) under environmental illumination/dark/bright conditions.
Negative Fusional Vergence (NFV) Change from Baseline at 8 weeks Measurement of Negative Fusional Vergence using a phoropter.
Negative Relative Accommodation (NRA) Change from Baseline at 8 weeks Measurement of Negative Relative Accommodation using a phoropter.
- Secondary Outcome Measures
Name Time Method Best-corrected visual acuity Change from Baseline at 8 weeks Measurement of Best-corrected visual acuity (distance and near) using a logMAR chart.
The change of Endothelin-1 (ET-1) Change from Baseline at 8 weeks Fasting venous blood will be sampled to measure concentrations of ET-1.
The change of Tumor necrosis factor-α (TNF-α) Change from Baseline at 8 weeks Fasting venous blood will be sampled to measure concentrations of TNF-α.
Questionnaire Survey - Ocular Surface Disease Index (OSDI) Change from Baseline at 8 weeks The OSDI is assessed on a scale of 0 to 100, with higher scores representing greater disability.
Trial Locations
- Locations (1)
Chung Shan Medical University
🇨🇳Taichung, Taiwan