Myopia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.6-16 years old, gender not limited; 2. The spherical equivalent of myopia is -0.75D to -5.00D, astigmatism is >=-1.50D, anisometropia is = 1.0, and strabismus is <= 15?. 3. No organic eye disease, intraocular pressure 10-21 mmHg; 4. Good cognition and able to cooperate with the examination; 5.Be able to agree to and participate in follow-up studies; 6.Both the guardian and the child themselves are willing to participate in this study and the guardian has signed the informed consent form
Exclusion criteria
Exclusion criteria: 1.Previously used myopia prevention and control products, including functional optical lenses, progressive multifocal lenses, multifocal soft lenses, orthokeratology lenses, low-concentration atropine, light feeding devices, traditional Chinese medicine myopia prevention and control, visual function training, etc. 2.There is dominant strabismus, amblyopia or other eye diseases that affect visual function; 3.There are systemic diseases or medications that may affect eye physiology and refractive development; 4. A history of previous ocular surgeries or ocular trauma that affected the refractive state of the eyes.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Axial length;Spherical equivalent"; | — |
Countries
China
Contacts
Sichuan Provincial maternity and Child Health Care Hospital