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我们在一些中小学校作近视眼的调查时发现,有一些本来认为是近视眼的,并不是真正的近视眼,而是假性近视眼。这种近视眼在小学生里面发生得比较多。什么是假性近视眼,它和真正近视眼有什么不同呢?首先谈谈近视眼是怎么发生的。这要先从眼球的构造上来说。眼睛好象一架照象机,为
In some primary and secondary schools for myopia investigation, we found that some had been considered myopia, not true myopia, but pseudo-myopia. This kind of myopia occurs more frequently among pupils. What is the pseudo-myopia, and what is the difference between true myopia? First of all, talk about how myopia occurs. This should first be constructed from the eye. The eyes look like a camera for