A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression

Subjects randomized to Trial Group A will be required to wear microstructural lens A (microstructural design type with low defocus ratio) for 12 months

Subjects randomized to Trial B will be required to wear microstructural lens B (high defocus ratio microstructural design type) for 12 months

Subjects randomized to the control group will be required to wear aspherical single-light lenses for 12 months