GEO到底有多不透氧? - 隱形眼鏡
By James
at 2008-06-12T04:28
at 2008-06-12T04:28
Table of Contents
※ 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)
: 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)
推 peachlai:哇!好棒好專業的解答呀*^O^*超感謝您! 68.253.111.130 06/12 07:49
→ peachlai:可惜我的durasoft也是長戴的,所以以長戴 68.253.111.130 06/12 07:49
→ peachlai:的標準來看,也沒有過關(再度哭倒)但小 68.253.111.130 06/12 07:50
→ peachlai:桃有小小疑問耶~~為什麼長戴跟日拋標 68.253.111.130 06/12 07:50
→ peachlai:準不同呢?不大理解^^|| 68.253.111.130 06/12 07:51
推 milie:推~真專業 61.230.76.33 06/12 09:23
推 meltinicicle:所以GEO換算下來的dk/t值是20 但20這118.166.220.192 06/12 09:34
→ meltinicicle:個數字要戴上一整天其實還是嫌低耶118.166.220.192 06/12 09:34
→ meltinicicle:戴久應該還是會出問題 想想隨便一個118.166.220.192 06/12 09:35
→ meltinicicle:硬式都30起跳高的還到140 20真的太低118.166.220.192 06/12 09:35
→ meltinicicle:了 另外文中提到的長戴指的是可以戴118.166.220.192 06/12 09:35
→ meltinicicle:著睡覺的隱形眼鏡(在國外而言拉) 所118.166.220.192 06/12 09:36
→ meltinicicle:以那種隱形眼鏡的dk值最低要125118.166.220.192 06/12 09:36
推 pcthelma:那到底該買哪一牌的放大片呢?! >"< 61.225.160.128 06/12 10:02
→ pcthelma:害我都不太敢繼續戴geo了 T^T 61.225.160.128 06/12 10:03
推 nanchien:太專業了,這個一定要推一下啦 59.104.83.44 06/12 10:06
推 oowth:專業推~還是不要亂買小牌的比較保險... 140.112.121.97 06/12 10:11
推 bloom19:推> < 不敢買了.. 192.192.12.145 06/12 10:16
→ istangel:我只是把小桃的文章po出來 為什麼長戴跟 218.165.85.47 06/12 11:10
→ istangel:日戴不同理面好像沒說耶^^" 218.165.85.47 06/12 11:14
→ istangel:文章有提到 不常戴者最好買日拋的 218.165.85.47 06/12 11:16
→ istangel:建議大家可以仔細看文章 幫助很大^^ 218.165.85.47 06/12 11:16
推 peachlai:感謝meltinicicle的回答~~原來所謂的長 68.252.44.97 06/12 11:58
→ peachlai:戴是指戴著睡覺那種呀~~那基本上GEO跟 68.252.44.97 06/12 11:58
→ peachlai:durasoft都不能算長戴型的了..勉強過關 68.252.44.97 06/12 11:59
→ peachlai:但還是算在低的那一邊就是了.. 68.252.44.97 06/12 11:59
推 peachlai:那這樣說來,視康跟嬌生的日拋也沒多高 68.252.44.97 06/12 12:03
→ peachlai:我的durasoft 3還比視康日拋的Dk/t值要高 68.252.44.97 06/12 12:04
→ peachlai:哇~~真不好意思~~之前沒看清楚~~所以把 68.252.44.97 06/12 12:04
→ peachlai:durasoft跟GEO搞得太低了^^||拍SE拍SE~~ 68.252.44.97 06/12 12:05
→ peachlai:請問istangel,小桃能把這篇文章放到網誌 68.252.44.97 06/12 12:05
→ peachlai:嗎?小桃會註明出處的*^____^* 68.252.44.97 06/12 12:06
→ meltinicicle:對了 補充一下 我忽然發現這篇的dk/t118.166.220.192 06/12 12:21
→ meltinicicle:算法有點怪 因為我記得實際的dk/t值118.166.220.192 06/12 12:22
→ meltinicicle:是會比dk值來的低一些 好比說dk140的118.166.220.192 06/12 12:22
→ meltinicicle:dk/t大概只有120 dk70的dk/t大概5,60118.166.220.192 06/12 12:23
→ meltinicicle:所以應該不可能換算一下dk/t值會比dk118.166.220.192 06/12 12:24
→ meltinicicle:值高 因為還要加上鏡片厚度的關係 所118.166.220.192 06/12 12:24
→ meltinicicle:以如果說隱形眼鏡的dk值真的是8 那還118.166.220.192 06/12 12:25
→ meltinicicle:真的是蠻恐怖的一件事XD118.166.220.192 06/12 12:25
推 peachlai:啊啊啊!!真的嗎?那那那~~~怎麼辦?到底要 68.252.44.97 06/12 12:47
→ peachlai:怎麼算呢^^||| 68.252.44.97 06/12 12:47
推 peachlai:嗯嗯~~我查了好幾個source,Dk/t透氧率 68.252.44.97 06/12 13:08
推 pigfish:專業到看不懂@@ 但還好geo沒想像那麼誇張118.169.162.175 06/12 13:08
→ peachlai:oxygen transmissibility真的就是Dk(透 68.252.44.97 06/12 13:08
→ peachlai:氧度 oxygen permeability)除以鏡片中心 68.252.44.97 06/12 13:09
→ peachlai:厚度耶~~所以這個計算~~應該是沒問題.. 68.252.44.97 06/12 13:09
→ peachlai:另外~~M大說的沒錯,所謂的長戴型,是戴 68.252.44.97 06/12 13:10
→ peachlai:隔夜的那種,所以我們如果只是白天戴戴 68.252.44.97 06/12 13:11
→ peachlai:都算是日戴型,以Dk/t = 24為標準即可 68.252.44.97 06/12 13:11
→ istangel:m大 透氧度跟透氧率的單位不一樣 所以不 218.165.74.49 06/12 15:47
→ istangel:能比較@@ 而且別忘了小數點^^" 218.165.74.49 06/12 15:48
→ istangel:還有小桃請盡量放吧^^告訴越多人越好^^ 218.165.74.49 06/12 15:49
→ meltinicicle:哈 我知道他們是不同單位拉 我說的是118.166.220.192 06/12 15:57
→ meltinicicle:他們數值的大略比較 dk/t會略低於dk118.166.220.192 06/12 15:57
→ meltinicicle:值就好像一個是理想狀態一個是現實狀118.166.220.192 06/12 15:58
→ meltinicicle:態(因為多了一個鏡片厚度 傳氧率不可118.166.220.192 06/12 15:59
→ meltinicicle:能會是100%)118.166.220.192 06/12 16:00
→ meltinicicle:打錯了XD 其實是要打因為鏡片有厚度118.166.220.192 06/12 16:15
→ meltinicicle:的關係 所以傳氧率不可能會是透氧度118.166.220.192 06/12 16:16
→ meltinicicle:乘以100% 這樣才對:p118.166.220.192 06/12 16:16
推 naphia503:^^好專業喔~~謝謝i大分享118.168.131.231 06/12 16:50
推 nuova:有複雜...XD 不過總之過關就好 61.62.184.50 06/12 19:19
→ nuova:本來還在想說為什麼我的眼睛都不需要氧氣噗~ 61.62.184.50 06/12 19:20
推 peachlai:GEO沒有過關^^||不過沒有跟標準差三倍 68.250.189.120 06/12 23:47
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隱形眼鏡
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