A Study of the Impact of Digital Intervention on Parents/primary Caregivers' Myopia Prevention and Control Health Literacy on Preschoolers' Myopia and Physical and Mental Health

The study is a Randomized controlled trial based on digital interventions, involving pre-school children and their parents or major caregivers. To compare the myopia and physical and mental health status of preschool children before and after intervention between intervention group and control group, to confirm the effect of digital intervention on prevention and control of Myopia and physical and mental health of preschool children.

In this study, wechat, online courses, live broadcast and SMS were used to transfer the knowledge of myopia prevention and control to parents/primary caregivers, and to promote their attitude and behavior change. The intervention period was from October to December 2025. The control group did not 2024 any intervention. The prevention and control of Myopia and health literacy of the parents and main adopters were collected at baseline and after the intervention respectively, visual data and physical and mental health status of preschool children were collected every six months.