This study aims to evaluate the effectiveness of lenses with light diffraction glasses in controlling the progression of myopia in children and adolescents, and to explore the feasibility of effective design, and apply personalized frame lenses for myopia prevention and control.

Inclusion Criteria:

1. Age: 6-8 years old;
2. After using 1% cyclohexanone hydrochloride eye drops (Saifeijie) for ciliary muscle paralysis, binocular spherical power were within 0.00D~-1.75D, binocular cylinder power ≤ 1.50D, the anisometropia is less than 1.50D, the progression of myopia in the past year is greater than 0.5D, the best corrected far vision is at least 4.8, and the near vision is at least 5.0;
3. Within 6 months, the myopia prevention and control methods such as multifocal glasses, orthokeratology, defocusing flexible glasses, progressive glasses, atropine eye drops, red light and acupuncture and moxibustion treatment were not used;
4. The subject has a willingness to receive treatment and an informed consent form is signed by their legal guardian.

Exclusion Criteria:

1. Diagnosed constant strabismus;
2. Diagnosed pathological myopia;
3. Other congenital eye diseases;
4. Researchers believe that the patients have other reasons that are not suitable for inclusion in the project.