But being born in the summer can have drawbacks - such as an increased risk of short-sightedness.
但是，出生在夏天也有不利之处，比如近视的风险会增大。
Doctors already deploy more traditional lasers to remove tattoos, correct short-sightedness, cut tissue or whiten teeth.
医生已经利用传统的激光来洗纹身、治疗近视眼、美容祛斑、美白牙齿。
As someone who has written somewhat critically of the short-sightedness of policymakers in the late 1930s, I feel new humility.
20世纪30年代晚期有人有点批判地描写政策制定者的短视。而我则感受到了新的谦恭。
Minshull, it transpires, has even worse sight than me and i-GO lenses cannot correct short-sightedness worse than -5.0 (Mine hovers at -4.0).
有人告诉我，米舒尔的视力甚至比我还糟，而i-GO眼镜无法矫正低于 -5.0的近视（我的视力大约是-4.0）。
This may be because the attentional short-sightedness induced by alcohol makes all our shortcomings float away and so we feel closer to our ideal selves.
这可能是因为酒精所引起的注意力近视让我们所有的缺点都消失了，这样我们就会觉得离理想自我更近了。
But when we read in low light, there may be a "double whammy" effect because other changes may happen that also encourage the development of short-sightedness - but in a completely different way.
然而当我们在光线不足的情况下阅读时，它也可能会与疲劳阅读产生“双重负面”功效，并与其他因素一起促进近视的产生。
Understanding the biological glitches behind short-sightedness could help researchers develop eye drops or tablets that could be given to children to stop their vision from failing as they get older。
找到近视的生物起因可以帮助研究人员研制出防止儿童视力随年龄增长不断下滑的眼药水或药剂。
Understanding the biological glitches behind short-sightedness could help researchers develop eye drops or tablets that could be given to children to stop their vision from failing as they get older。
找到近视的生物起因可以帮助研究人员研制出防止儿童视力随年龄增长不断下滑的眼药水或药剂。
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