Red Light Intervention on Myopic Progression

Inclusion Criteria: 1. Age at enrolment: 6-12 years; 2. At least one eye with spherical equivalent refractions (SERs): -1.00 to -5.00 diopters (D), and stigmatism of 1.50 D or less; 3. Anisometropia of 1.5 D or less; 4. The BCVA of distant vision is at least 0.8; 5. Myopia progressed more than 0.5D in the past year; 6. Have normal thinking and language communication skills, and be able to actively cooperate with the treatment as required; 7. Written informed consent of guardian and child. Exclusion Criteria: 1. Strabismus, amblyopia or other ocular abnormalities; 2. Other systemic abnormalities; 3. Prior treatment of myopia control in 6 months, e.g. drugs, orthokeratology, progressive addition lenses, bifocal lenses, etc in either eye; 4. Atropine allergy; 5. Other situations that not suitable for participating in the trial as judged by the researcher.