Clinical Research Directory

Inclusion Criteria: 1. Age: ≥6 and ≤8 years at enrollment. 2. At least one parent' s Spherical equivalent refraction≤-3.00D. 3. Spherical equivalent refractions (SERs) under cycloplegia: +0.50 to +1.50 diopters (D) 4. Astigmatism ≤1.00 D . 5. Anisometropia ≤1.00 D. 6. Best Corrected Visual Acuity (BCVA) : 1.0 or better 7. Provision of consent written by subject's legal guardian 8. Willing and able to participate in all required activities of the study Exclusion Criteria: 1. Any of the following abnormalities on the ocular surface, such as trachoma, pemphigoid, chemical injury, heat burn, radiation injury, etc. 2. Eyelid abnormalities (e.g. entropion, ectropion, tumor, edema, blepharospasm, incomplete eyelid closure, severe trichiasis, severe ptosis) ,which affect eyelid function in either eye 3. Eye diseases such as strabismus, amblyopia, anisometropia, fundus diseases, and accommodation abnormality，etc. 4. Prior treatment of myopia control in either eye, including but not limited to drugs, orthokeratology, low-level red-light therapy, etc. 5. Noncompliance with measurement at enrollment.