美瞳含水量多少合适

2025-02-11 04:19:53
推荐回答(5个)
回答1:

通常情况下,含水量在35%-38%就足够了。

美瞳的含水量指的就是镜片中水分所占比例,含水量越高,意味着隐形眼镜越水润,透氧性能越好,镜片戴着越舒适,所以很多人会误认为含水量越高越好,事实上并不是这样的。美瞳的含水量越高,同时也代表着美瞳所需水分的“滋养”越多。

随着佩戴美瞳时间的增长,镜片本身的一部分水分会被蒸发掉,这个时候镜片为了保持原有的含水量,就会吸取泪液,因此含水量高的镜片反而会倒吸眼睛里的水分,导致眼睛越来越干涩。

经常出现眼睛干涩的情况,或者佩戴时间较长者,建议购买含水量低的美瞳;如果泪液较多且佩戴时间较短者,则可考虑含水量高的美瞳。

扩展资料:

美瞳在开封之前的有效期,如果过期以后开封再使用的话,镜片的卫生情况无法保证。当未开封的镜片超过有效期后,存放镜片的药水就会发生本质的变化,造成细菌增生、污染镜片等情况的发生,镜片本身也会随之产生变化,因此切勿使用超过有效期的产品。

其次是镜片超过使用周期后继续使用,这样的长时间配戴则会出现两种问题,一个是眼睛干涩,另一个则是角膜逐渐变薄,虽然这些变化都比较缓慢,但长此以往还是会影响到眼睛健康。因为美瞳超过使用有效期后,镜片就会发生老化,透明度和透氧性也大大下降。

美瞳长时间佩戴镜片上的蛋白质等沉淀会随着时间的累积而不断堆积,降低透明度的同时也容易损伤角膜,因此,定期更换隐形眼镜却是一件势在必行的事。

参考资料来源:百度百科-美瞳

回答2:

含水量分为低、中、高三层,含水量在38-42%属于含水量低的,42%-45%中等含水量,45%以上为高含水量。其中,日抛隐形眼镜一般都是高含水量,年抛一般都是低含水量,含水量越高,越容易眼干,所以,如果眼易干的应选择低含水量美瞳。一般人选择中含水量就可以了。

回答3:

这个因人而异的。
低含水的38%~42%,高含水的是48%以上的。
一般年抛和半年抛的都是低含水的,短周期的如日抛和月抛会含水量高一些。
如果眼睛本身比较容易干的建议选择低含水量的,反之选择高些的含水量的镜片!

回答4:

回答5:

含水量得根据自身的眼睛情况来选择,一般年抛的含水量也会低些,短周期的含水量会大些。从选配的经验来看,眼睛干的人适合低含水量的,眼睛本身比较水润的选择稍大些的!
参考:38-42%属于含水量低的,42%-45%中等含水量,48%以上为高含水量

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