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8岁近视一年长多少度
更新时间: 2020-11-05 00:00:00  

8岁近视如果不给孩子佩戴眼镜,孩子一年一百五十度到两百度是很有可能的,但是通过佩戴眼镜,可以减少他自己的用眼疲劳,可以减少到每年一百度到一百五十度。

近视眼(myopia)也称短视眼,因为这种眼只能看近而视远不清。处在休息状态时,从无限远处来的平行光,经过眼的屈光系统折光后在视网膜之前集合成焦点,在视网膜上则形成不清楚的像。

关键词: 近视 年长 多少

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