Myopia
Conditions
Interventions
Experimental group:Eating 14g of dark chocolate
Control group:Eating 4.5g of white chocolate
Sponsors
The Second Affiliated Hospital of Nanchang University
Eligibility
Sex/Gender
All
Age
6 Years to 16 Years
Inclusion criteria
Inclusion criteria: 1: Age 6-16 years old (inclusive) 2: Bilateral myopia, equivalent spherical power (SE) -0.00D to -6.00D (optometry after ciliary muscle paralysis) 3: After cycloplegia, computer optometry was used to detect binocular astigmatism ranging from -0.00D to -1.50D 4: Computer optometry detection of binocular anisometropia after cycloplegia<1.50D 5: Bilateral intraocular pressure = 21mmHg 6: The BMI value is within the normal range of that age group 7: A written informed consent form jointly signed by the child and legal guardian has been obtained
Exclusion criteria
Exclusion criteria: 1: Current or past medical history of dominant strabismus (including intermittent strabismus) and amblyopia in any eye 2: Have a history of any disease or syndrome that may lead to severe myopia (such as Marfan syndrome, Stickler syndrome, retinopathy of premature infants, etc.), including other eye diseases (such as lens diseases such as cataracts, macular degeneration, keratopathy, uveitis, retinal detachment, severe vitreous opacity, nystagmus, etc.) 3: Abnormalities in the refractive interstitial medium of any eye (such as keratoconus, lens conus, spherical lens, etc.) 4: During screening, any eye with intraocular pressure greater than 21mmHg or any eye with glaucoma or angle stenosis or previous medical history 5: Having or having a history of eye injury, the researcher has determined that it is not suitable to participate in this study 6: Any eye with a history of intraocular surgery, strabismus surgery, and eye surgery or laser treatment that affects refractive media or refractive power (such as refractive surgery) 7: Severe systemic illness, which the researchers believe is not suitable for participation in this study 8: Emaciation or obesity 9: Other researchers believe that it is not suitable for enrollment
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| OCT angiography, OCTA; | — |
Secondary
| Measure | Time frame |
|---|---|
| Vision;Contrast sensitivity;Anterior chamber depth; lens thickness;Diopter; | — |
Countries
CHINA
Contacts
Public ContactYan Deng
The Second Affiliated Hospital of Nanchang University
Outcome results
None listed