"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。

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"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。

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