快速散瞳后多少分钟可以验光

2025-04-06 21:29:25
推荐回答(3个)
回答1:

共点4次药(间隔5分钟),20分钟后即可验光,但此时检测的结果仅供参考,不宜用于配镜。6个小时后(一般会安排在第2天或之后)复检的镜度才可用于配镜。

回答2:

你好,你说的这种情况一般最快的散瞳验光要半小时左右。

回答3:

青少年近视眼主要是因长时间、近距离,不当用眼所造成。尤其在看书、写字时喜欢将眼睛放的很近,眼球的调节作用就加强,久而久之,引起眼睛胀痛,视力减退,即所谓的调节痉紊,如果在验光时不散大瞳孔,睫状肌的调节作用可使晶状体变凸,屈光力增加,导致近视度数加深。验光度数的误差就会很大。因此,青少年患近视眼,在配镜的时候散瞳验光就很必要。优

散瞳验光

点是:避免青少年睫状肌调节过强,或松解调节痉紊,使主观验光变为客观验光,验光的度数更加精确,避免了由于调节痉挛而产生的假性近视,同时对假性近视也起到了治疗作用。对年龄小的孩子因验光不能很好配合,散大瞳孔后可掌握一个可靠的客观指标,使验光所得的近视度数更加准确。部分孩子眼底及屈光间质检查均正常,而视力较差,需要用验光的手段来排除有无屈光不正的问题。对比较复杂的屈光不正,如度数高的远、近视散光、混合散光、高度近视、高度散光等更需要散瞳验光。对小瞳孔验光后视力矫正不好或屈光间质有混浊的病人应该进行散瞳验光。

青少年视力减退或视力不稳定,怀疑有无假性近视时,应当散瞳孔验光,加以排除,一旦散瞳,调节作用消失,假性近视就恢复了,所以青少年的近视验光配镜一定要扩瞳后验光。

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