你是“眼镜族”吗?科学家最近对近视的成因提出了一个全新的见解——多进行户外活动不但有益身心,对视力也有一定帮助哦!为什么近视在现代社会中如此常见?在二十世纪七十年代初,25%的美国人患有近视;三十年之后,这个比例上升到42%,在全球范围内也有同样的上升趋势。有明显证据表明近视会遗传,于是你也许会想,当我们 Are you a “glasses family”? Scientists recently put forward a new insight into the causes of myopia - more outdoor activities not only beneficial to the body, have some help on vision too! Why myopia is so common in modern society? In two In the early 1970s, 25% of Americans suffered from myopia; after three decades, the percentage rose to 42% and the same global upward trend. There is clear evidence that myopia will inherit, so you may think, when we are