The “blockchain+vision” project was carried out in Chancheng District, Foshan City, Guangdong Province, and 130,000 primary and middle school students were able to screen for free eyesight.

Foshan Chancheng District Education Bureau organized the digital management of eye health and the “blockchain+vision” project for primary and secondary school students in the district. In 2019, it plans to screen and establish eyesight for nearly 130,000 students in more than 100 primary and middle schools in the district. Health Archives, digital management of children's eye health from screening to treatment.