On October 14, with the advent of world vision day in 2021, Yishilu, together with southern weekend, optometry science experts, principals and teachers of primary and secondary schools across the country, launched the public welfare action of âprotecting the âeyeâ color visionâ ¡ caring for the vision health of primary and secondary school students, actively spread the knowledge of eye care science, deepen vision health education, and enhance the awareness of the public, especially parents, on the prevention and control of myopia of primary and secondary school students, Comprehensively protect childrenâs eyesight health.