Re: [討論] GEO到底有多不透氧?
※ 引述《peachlai (小桃)》之銘言:
: 所以忍不住就上網查了一下資訊
: http://www.polyu.edu.hk/so/clear/newsletter_issue3.pdf
: 這篇文章列出了香港販售隱形眼鏡的透氧率
: 嬌生睛漾是28,視康睛艷是26
: 文章內容有說,至少要24才能避免角膜水腫
以上恕刪一些文字
很感謝小桃的分享^^
因為有買GEO所以很緊張的把文章看了一遍
發現小桃太緊張有點看錯
文章是說 透氧率=透氧度(DK)/厚度(t)
日戴 >24x10^-9(24x10的負九次方) 是ok的
長戴 >125x10^-9 (單位都是Barrer/cm) 是ok的
所以
嬌生 1-DAY ACUVUE DEFINE 透氧率是 3x10^-8 >24x10^-9
(透氧度28x10^-11/0.0084 Barrer/cm)
視康 xxxx one day 透氧率是 2.6x10^-8>24x10^-9
小桃買的Durasoft 3...透氧度雖然是16 但厚度是0.05cm
透氧率是 3.2x10^-8 所以也在合格範圍內 (如果它是日拋的話^^")
在估購查了GEO的厚度是0.004cm 所以透氧率是2x10^-8
看起來好像過關了...
不過GEO是長戴耶...所以...透氧率真的很低...
如果它是日拋就OK了= =...
p.s不知道會不會寫的太複雜...
※ 編輯: istangel 來自: 218.165.75.41 (06/12 04:40)
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