myopia
Conditions
Interventions
experimental group:Multi-point micro-transparent defocus lens
Sponsors
The Second Affiliated Hospital of Anhui Medical University
Eligibility
Sex/Gender
All
Age
8 Years to 15 Years
Inclusion criteria
Inclusion criteria: 1.Age between 8 and 15 years old, no gender restrictions; 2.Bilateral myopia ranging from -0.00D (including -0.00D) to -6.00D (including -6.00D), astigmatism ranging from -0.00D (including -0.00D) to -2.00D (including -2.00D), and refractive anisometropia less than 2.00D; 3.Best-corrected visual acuity with spectacle correction in both eyes >= 1.0; 4.Able to understand the purpose of the trial, voluntarily participate, and sign an informed consent form; 5.Able to accept random assignment to a trial group, agree to follow-up visits according to the specified schedule, and comply with the prescribed lens wearing duration requirements.
Exclusion criteria
Exclusion criteria: 1.Patients with the following contraindications: (1) Those with various eye conditions, such as acute or chronic eye inflammation, glaucoma, corneal sensory abnormalities, corneal epithelial defects, reduced corneal endothelial cell count, dry eye syndrome, etc., as determined by an ophthalmologist to be unsuitable for contact lens wear; (2) Those with systemic diseases that may affect the eyes, such as hyperthyroidism, diabetes, mental disorders, etc., as determined by an ophthalmologist to be unsuitable for contact lens wear; 2.Patients currently using medications that the investigator determines may affect contact lens wear, tear film, pupil size, accommodation, or refractive status; 3.Patients with a history of ocular trauma or corneal surgery that may affect contact lens wear; 4. Patients with manifest strabismus; 5. Patients with abnormal intraocular pressure or fundus examination findings; 6.Patients with active ocular diseases or other slit-lamp examination abnormalities that the investigator determines make them unsuitable for participation in the study; 7.Participants who have participated in other clinical trials within the past 3 months prior to screening; 8.Other conditions deemed by the investigator to be unsuitable for participation in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 360-day equivalent sphericity change; | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes in axial length at 360-day intervals; | — |
Countries
China
Contacts
Public ContactTao Liming
The Second Affiliated Hospital of Anhui Medical University
Outcome results
None listed