导语

  

内容提要

  

    本书以问题为导向，对中小学生和家长最为关心的22个关于“宅家”学习如何保护眼睛的问题进行一一解答，如：如何选择用于长时间网上学习的电子产品？上网课课余时间，如何让眼睛得到有效的休息？如何保持正确的读写姿势？居家如何保证每日近视防控所需的“户外活动”？本书以浅显易懂的语言，帮助读者真正了解学习网课时科学用眼、防控近视的科普知识。本书配有护眼科普动画和预防近视健身操。

1.  Why was this book published
2.  How do we choose the right device for online learning
3.  What is the proper length of an online class
4.  Should parents be present during online lessons
5.  What is the proper posture when having an online class
6.  How can the eyes be effectively rested during a break
7.  What can be done when eyes get dry after using mobile phones or computers for a long time
8.  What is the proper posture for reading and writing when studying at home
9.  What“outdoor activities”can be done while“staying at home”
10.  How can proper diet and sleep protect the eyes
11.  What are the warning signs for myopia?--Make a self—diagnosis
12.  What kinds of eye symptoms require immediate treatment at a hospital during the pandemic
13.  Are red eyes a symptom of contracting coronavirus Does it require immediate hospital treatment
14．  Can contact lenses or OK lenses be worn during the pandemic?
15．  What if an OK lens appointment is approaching during the pandemic?
16．  Under what circumstances should we stop wearing contact lenses?
17.  How can we prevent the transmission of COVID一19?
18．How can we prevent transmission of COVID一19 through the eyes?Should we wear eye protection?
19．  Why should we wash our hands。frequently at home? What is the proper way of washing hands?
201  How do we choose effective masks?
21．  What is the correct way to wear a mask?
22．How can parents help elementary and secondary school students maintain mental health during the pandemic?
Appendix The instructions for the 2．5一meter home—friendly visuol acuity chart