"It is probably a long-term effect of early-life exposure to natural light that increases the chances of a child becoming short-sighted," he says.

“早期暴露在自然光线中可能会产生长期的影响，增加孩子患近视的可能性，”他说。

youdao

If a child is not born long-sighted enough then they will overshoot and end up short-sighted. This tends to happen around puberty.

如果孩子天生的远视程度不够，那么，他们将过度用眼并且最终患上近视，而这往往发生在青春期左右。

youdao