China's Joint Prevention and Control Mechanism of the State Council holds a news briefing on how to use eyes scientifically and healthily. In the COVID-19 response, many schools have set up video teaching. Students have to take lessons online and use electronic devices frequently. Therefore, the prevention of nearsightedness is a big concern for students and their parents. Experts share some tips on protecting eyesight and preventing nearsightedness among minors and answer questions from the media.