Is it okay for children to wear myopia glasses during class but not wear them after class?
Generally speaking, whether a child should wear myopic glasses during class and remove them after class mainly depends on the severity of the child's myopia. If the child has mild myopia, it is usually acceptable to wear glasses during class and remove them after class. However, if the child has high myopia, it is not recommended to wear glasses only during class and take them off afterward. If any discomfort occurs, timely medical attention is advised. Detailed analysis is as follows:

When a child has mild myopia, his or her vision can still meet the basic demands of daily life and study. At this time, wearing myopic glasses during class can help the child see the words on the blackboard and textbooks more clearly, thus improving learning efficiency. After class, however, because the activity environment is relatively diverse, wearing glasses may cause some inconvenience, so it is optional to remove them. In addition, children with mild myopia generally have stronger visual adaptation abilities and can quickly adapt to putting on and taking off glasses.
For children with high myopia, their vision has already been significantly affected. If they do not wear myopic glasses, they may find it difficult to see surrounding objects clearly. At this time, if glasses are worn only during class and immediately removed after class, it may cause significant fluctuations in the child's vision within a short time, thus increasing the burden on the eyes and potentially causing visual fatigue and discomfort. Moreover, the visual development of children with high myopia may also be affected to some extent. Therefore, it is recommended that they consistently wear glasses to maintain stable visual acuity.
In daily life, parents should supervise their children to use their eyes correctly, avoid prolonged near-eye activities, regularly take children for vision examinations, and follow doctors' recommendations regarding glasses use and treatment.