None listed
Conditions
Interventions
control group:Blank control
Test group:Eye protection nutritional supplement (lutein)
Sponsors
Nanjing Tongren Hospital
Eligibility
Sex/Gender
All
Age
6 Years to 10 Years
Inclusion criteria
Inclusion criteria: 1. Age 6-10 years old; 2. The guardian and the child can cooperate with the intervention, investigation and follow-up, and be conscious; 3. Best corrected visual acuity >= Snellen20/20; 4. No history of eye trauma and ocular disease; 5. No ocular structural diseases and abnormalities; 6. No organic diseases of the optic nerve and visual central system were found; 7. No other eye diseases; 8. The subject child already has pseudomyopia, insufficient farsightedness reserve, or the guardian believes that there are significant eye health problems. 9. The guardian and the child sign the informed consent form in writing. 10. Have not taken lutein supplements before.
Exclusion criteria
Exclusion criteria: 1. Suffering from eye diseases that affect vision or refractive error (such as lens damage diseases such as cataract, glaucoma, macular degeneration, corneal lesions, pigmentitis, retinal detachment, severe vitreous opacity, etc.). 2. Concomitant ocular or systemic infectious disease or concomitant active ocular inflammatory disease; 3. Recent (within 6 months) cataract or retinal surgery; 4. Take phenothiazines, chloroquine and other photosensitizing drugs; 5. Have taken lutein or zeaxanthin supplements within the past six months; 6. Those who are not suitable for enrollment in this study as assessed by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| acular pigment optical densit;Macular foveal thickness;Axial eye;Contrast sensitivity; | — |
Secondary
| Measure | Time frame |
|---|---|
| vision;intraocular pressure;diopter; | — |
Countries
Chain
Contacts
Public ContactZixiu Zhou
Nanjing Tongren Hospital
Outcome results
None listed