MedPath

Evaluation of Eye Health Benefits of Black Tomato Extract

Not Applicable
Recruiting
Conditions
High Myopia
Eye
Interventions
Dietary Supplement: Placebo powder
Dietary 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
Inclusion Criteria
  • 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)
Exclusion Criteria
  • 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
GroupInterventionDescription
Placebo powderPlacebo powderDietary Supplement: Placebo powder
Black tomato extract powderBlack tomato extract powderDietary Supplement: Black tomato extract powder
Primary Outcome Measures
NameTimeMethod
Grading of Retinal Vascular DiameterChange 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 FacilityChange 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 FunctionChange 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
NameTimeMethod
Best-corrected visual acuityChange 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

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