Re: [問題] 新眼鏡度數跟舊眼鏡一樣 但是比較不清楚
我就用我可以計算的下去計算
首先就先計算球面度數的有效度
舊的右眼度數-11.00頂間距約莫13mm換算後大約是-9.62度
新的右眼度數-11.00頂間距約莫15mm換算後大約是-9.44度
舊的左眼度數-10.50頂間距約莫13mm換算後大約是-9.23度
新的左眼度數-10.50頂間距約莫13mm換算後大約是-9.07度
總結
新的右眼度數少了約莫-0.18度
新的左眼度數少了約莫-0.16度
一般計算眼鏡度數是低於-0.12 則少25度 高於-0.12 則多25度
舉例來說
-3.10度一般會判斷為3.00度
-3.15度則會判斷成為3.25度
所以原po的度數來說兩眼都差25度
再來換計算稜鏡偏移量的問題
舊眼鏡的PD為62mm新的眼鏡PD為63.5
也就是往耳側偏移了1.5mm
由於是凹透鏡基底方向與鏡片偏心的方向相反
帶入△=CF
右眼 △=(0.15)X(11)=1.65△BI 也就是1.65個稜鏡基底朝內
左眼 △=(0.15)X(10.5)=1.5△BI 也就是1.5個稜鏡基底朝內
再來如果要下稜鏡一般都會以測量出來的三分之一來下
所以舊眼鏡跟新眼鏡度數是一定的差異的。
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 101.139.128.76
※ 文章網址: https://www.ptt.cc/bbs/optical/M.1457873742.A.968.html
→
03/13 22:00, , 1F
03/13 22:00, 1F
→
03/13 22:00, , 2F
03/13 22:00, 2F
→
03/13 22:05, , 3F
03/13 22:05, 3F
→
03/13 22:12, , 4F
03/13 22:12, 4F
→
03/13 22:12, , 5F
03/13 22:12, 5F
→
03/13 22:13, , 6F
03/13 22:13, 6F
→
03/13 22:21, , 7F
03/13 22:21, 7F
→
03/13 22:21, , 8F
03/13 22:21, 8F
→
03/13 22:22, , 9F
03/13 22:22, 9F
→
03/13 22:23, , 10F
03/13 22:23, 10F
→
03/13 22:23, , 11F
03/13 22:23, 11F
→
03/13 22:23, , 12F
03/13 22:23, 12F
→
03/13 22:24, , 13F
03/13 22:24, 13F
→
03/13 22:25, , 14F
03/13 22:25, 14F
→
03/13 22:25, , 15F
03/13 22:25, 15F
→
03/13 22:27, , 16F
03/13 22:27, 16F
→
03/13 22:29, , 17F
03/13 22:29, 17F
→
03/13 22:29, , 18F
03/13 22:29, 18F
→
03/13 22:31, , 19F
03/13 22:31, 19F
→
03/13 22:31, , 20F
03/13 22:31, 20F
→
03/13 22:36, , 21F
03/13 22:36, 21F
→
03/13 22:38, , 22F
03/13 22:38, 22F
→
03/13 22:39, , 23F
03/13 22:39, 23F
→
03/13 22:40, , 24F
03/13 22:40, 24F
→
03/13 22:40, , 25F
03/13 22:40, 25F
→
03/13 22:40, , 26F
03/13 22:40, 26F
→
03/13 22:42, , 27F
03/13 22:42, 27F
→
03/13 22:43, , 28F
03/13 22:43, 28F
→
03/13 22:43, , 29F
03/13 22:43, 29F
→
03/13 22:44, , 30F
03/13 22:44, 30F
→
03/13 22:45, , 31F
03/13 22:45, 31F
→
03/13 22:46, , 32F
03/13 22:46, 32F
→
03/13 22:47, , 33F
03/13 22:47, 33F
→
03/13 22:48, , 34F
03/13 22:48, 34F
→
03/13 22:51, , 35F
03/13 22:51, 35F
→
03/13 22:52, , 36F
03/13 22:52, 36F
→
03/13 22:53, , 37F
03/13 22:53, 37F
→
03/13 23:17, , 38F
03/13 23:17, 38F
→
03/13 23:26, , 39F
03/13 23:26, 39F
還有 108 則推文
→
03/14 10:53, , 148F
03/14 10:53, 148F
→
03/14 10:57, , 149F
03/14 10:57, 149F
→
03/14 11:17, , 150F
03/14 11:17, 150F
→
03/14 11:18, , 151F
03/14 11:18, 151F
→
03/14 11:19, , 152F
03/14 11:19, 152F
→
03/14 11:21, , 153F
03/14 11:21, 153F
→
03/14 11:22, , 154F
03/14 11:22, 154F
→
03/14 11:22, , 155F
03/14 11:22, 155F
→
03/14 11:25, , 156F
03/14 11:25, 156F
→
03/14 11:27, , 157F
03/14 11:27, 157F
→
03/14 11:49, , 158F
03/14 11:49, 158F
→
03/14 12:03, , 159F
03/14 12:03, 159F
→
03/14 12:03, , 160F
03/14 12:03, 160F
→
03/14 12:04, , 161F
03/14 12:04, 161F
→
03/14 12:04, , 162F
03/14 12:04, 162F
推
03/14 12:32, , 163F
03/14 12:32, 163F
→
03/14 12:33, , 164F
03/14 12:33, 164F
→
03/14 12:33, , 165F
03/14 12:33, 165F
→
03/14 12:33, , 166F
03/14 12:33, 166F
→
03/14 12:34, , 167F
03/14 12:34, 167F
→
03/14 12:34, , 168F
03/14 12:34, 168F
→
03/14 12:36, , 169F
03/14 12:36, 169F
推
03/14 12:39, , 170F
03/14 12:39, 170F
→
03/14 12:39, , 171F
03/14 12:39, 171F
→
03/14 13:06, , 172F
03/14 13:06, 172F
推
03/14 13:42, , 173F
03/14 13:42, 173F
→
03/14 15:10, , 174F
03/14 15:10, 174F
→
03/14 15:10, , 175F
03/14 15:10, 175F
推
03/14 21:40, , 176F
03/14 21:40, 176F
→
03/14 21:40, , 177F
03/14 21:40, 177F
→
03/14 21:41, , 178F
03/14 21:41, 178F
→
03/14 21:42, , 179F
03/14 21:42, 179F
→
03/14 21:42, , 180F
03/14 21:42, 180F
→
03/14 21:45, , 181F
03/14 21:45, 181F
→
03/14 21:45, , 182F
03/14 21:45, 182F
推
03/14 21:46, , 183F
03/14 21:46, 183F
→
03/14 21:49, , 184F
03/14 21:49, 184F
→
03/14 21:52, , 185F
03/14 21:52, 185F
→
03/14 21:56, , 186F
03/14 21:56, 186F
推
03/14 22:03, , 187F
03/14 22:03, 187F
討論串 (同標題文章)
完整討論串 (本文為第 2 之 3 篇):