Study design
EYE
This 12-month clinical trial was designed to be a randomized, controlled, parallel study with follow-up visits every 3 months. Potentially eligible children were recruited from the hospital after a screening visit.The trial was designed to begin in February 2021 and end in June 2023. All subjects were enrolled at the Optometry Center of Ningbo Eye Hospital. Our study and protocol conformed to the principles of the Declaration of Helsinki and were approved by the ethical committee of Ningbo Eye Hospital (Number: 2020xjx-012).